2 * Routines for ISUP dissection
3 * Copyright 2001, Martina Obermeier <martina.obermeier@icn.siemens.de>
5 * $Id: packet-isup.c,v 1.24 2003/06/26 08:39:46 guy Exp $
7 * Ethereal - Network traffic analyzer
8 * By Gerald Combs <gerald@ethereal.com>
9 * Copyright 1998 Gerald Combs
11 * Copied from README.developer
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License
15 * as published by the Free Software Foundation; either version 2
16 * of the License, or (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
38 #include <epan/packet.h>
39 #include "packet-q931.h"
41 #define MTP3_ISUP_SERVICE_INDICATOR 5
42 #define ASCII_NUMBER_DELTA 0x30
43 #define ASCII_LETTER_DELTA 0x37
45 /* Definition of protocol field values und lengths */
47 /* Definition of Message Types */
48 #define MESSAGE_TYPE_INITIAL_ADDR 1
49 #define MESSAGE_TYPE_SUBSEQ_ADDR 2
50 #define MESSAGE_TYPE_INFO_REQ 3
51 #define MESSAGE_TYPE_INFO 4
52 #define MESSAGE_TYPE_CONTINUITY 5
53 #define MESSAGE_TYPE_ADDR_CMPL 6
54 #define MESSAGE_TYPE_CONNECT 7
55 #define MESSAGE_TYPE_FORW_TRANS 8
56 #define MESSAGE_TYPE_ANSWER 9
57 #define MESSAGE_TYPE_RELEASE 12
58 #define MESSAGE_TYPE_SUSPEND 13
59 #define MESSAGE_TYPE_RESUME 14
60 #define MESSAGE_TYPE_REL_CMPL 16
61 #define MESSAGE_TYPE_CONT_CHECK_REQ 17
62 #define MESSAGE_TYPE_RESET_CIRCUIT 18
63 #define MESSAGE_TYPE_BLOCKING 19
64 #define MESSAGE_TYPE_UNBLOCKING 20
65 #define MESSAGE_TYPE_BLOCK_ACK 21
66 #define MESSAGE_TYPE_UNBLOCK_ACK 22
67 #define MESSAGE_TYPE_CIRC_GRP_RST 23
68 #define MESSAGE_TYPE_CIRC_GRP_BLCK 24
69 #define MESSAGE_TYPE_CIRC_GRP_UNBL 25
70 #define MESSAGE_TYPE_CIRC_GRP_BL_ACK 26
71 #define MESSAGE_TYPE_CIRC_GRP_UNBL_ACK 27
72 #define MESSAGE_TYPE_FACILITY_REQ 31
73 #define MESSAGE_TYPE_FACILITY_ACC 32
74 #define MESSAGE_TYPE_FACILITY_REJ 33
75 #define MESSAGE_TYPE_LOOP_BACK_ACK 36
76 #define MESSAGE_TYPE_PASS_ALONG 40
77 #define MESSAGE_TYPE_CIRC_GRP_RST_ACK 41
78 #define MESSAGE_TYPE_CIRC_GRP_QRY 42
79 #define MESSAGE_TYPE_CIRC_GRP_QRY_RSP 43
80 #define MESSAGE_TYPE_CALL_PROGRSS 44
81 #define MESSAGE_TYPE_USER2USER_INFO 45
82 #define MESSAGE_TYPE_UNEQUIPPED_CIC 46
83 #define MESSAGE_TYPE_CONFUSION 47
84 #define MESSAGE_TYPE_OVERLOAD 48
85 #define MESSAGE_TYPE_CHARGE_INFO 49
86 #define MESSAGE_TYPE_NETW_RESRC_MGMT 50
87 #define MESSAGE_TYPE_FACILITY 51
88 #define MESSAGE_TYPE_USER_PART_TEST 52
89 #define MESSAGE_TYPE_USER_PART_AVAIL 53
90 #define MESSAGE_TYPE_IDENT_REQ 54
91 #define MESSAGE_TYPE_IDENT_RSP 55
92 #define MESSAGE_TYPE_SEGMENTATION 56
93 #define MESSAGE_TYPE_LOOP_PREVENTION 64
95 static const value_string isup_message_type_value[] = {
96 { MESSAGE_TYPE_INITIAL_ADDR, "Initial address"},
97 { MESSAGE_TYPE_SUBSEQ_ADDR, "Subsequent address"},
98 { MESSAGE_TYPE_INFO_REQ, "Information request (national use)"},
99 { MESSAGE_TYPE_INFO, "Information (national use)"},
100 { MESSAGE_TYPE_CONTINUITY, "Continuity"},
101 { MESSAGE_TYPE_ADDR_CMPL, "Address complete"},
102 { MESSAGE_TYPE_CONNECT, "Connect"},
103 { MESSAGE_TYPE_FORW_TRANS, "Forward transfer"},
104 { MESSAGE_TYPE_ANSWER, "Answer"},
105 { MESSAGE_TYPE_RELEASE, "Release"},
106 { MESSAGE_TYPE_SUSPEND, "Suspend"},
107 { MESSAGE_TYPE_RESUME, "Resume"},
108 { MESSAGE_TYPE_REL_CMPL, "Release complete"},
109 { MESSAGE_TYPE_CONT_CHECK_REQ, "Continuity check request"},
110 { MESSAGE_TYPE_RESET_CIRCUIT, "Reset Circuit"},
111 { MESSAGE_TYPE_BLOCKING, "Blocking"},
112 { MESSAGE_TYPE_UNBLOCKING, "Unblocking"},
113 { MESSAGE_TYPE_BLOCK_ACK, "Blocking acknowledgement"},
114 { MESSAGE_TYPE_UNBLOCK_ACK, "Unblocking acknowledgment"},
115 { MESSAGE_TYPE_CIRC_GRP_RST, "Circuit group reset"},
116 { MESSAGE_TYPE_CIRC_GRP_BLCK, "Circuit group blocking"},
117 { MESSAGE_TYPE_CIRC_GRP_UNBL, "Circuit group unblocking"},
118 { MESSAGE_TYPE_CIRC_GRP_BL_ACK, "Circuit group blocking acknowledgement"},
119 { MESSAGE_TYPE_CIRC_GRP_UNBL_ACK, "Circuit group unblocking acknowledgement"},
120 { MESSAGE_TYPE_FACILITY_REQ, "Facility request"},
121 { MESSAGE_TYPE_FACILITY_ACC, "Facility accepted"},
122 { MESSAGE_TYPE_FACILITY_REJ, "Facility reject"},
123 { MESSAGE_TYPE_LOOP_BACK_ACK, "Loop back acknowledgement (national use)"},
124 { MESSAGE_TYPE_PASS_ALONG, "Pass-along (national use)"},
125 { MESSAGE_TYPE_CIRC_GRP_RST_ACK, "Circuit group reset acknowledgement"},
126 { MESSAGE_TYPE_CIRC_GRP_QRY, "Circuit group query (national use)"},
127 { MESSAGE_TYPE_CIRC_GRP_QRY_RSP, "Circuit group query response (national use)"},
128 { MESSAGE_TYPE_CALL_PROGRSS, "Call progress"},
129 { MESSAGE_TYPE_USER2USER_INFO, "User-to-user information"},
130 { MESSAGE_TYPE_UNEQUIPPED_CIC, "Unequipped CIC (national use)"},
131 { MESSAGE_TYPE_CONFUSION, "Confusion"},
132 { MESSAGE_TYPE_OVERLOAD, "Overload (national use)"},
133 { MESSAGE_TYPE_CHARGE_INFO, "Charge information (national use)"},
134 { MESSAGE_TYPE_NETW_RESRC_MGMT, "Network resource management"},
135 { MESSAGE_TYPE_FACILITY, "Facility"},
136 { MESSAGE_TYPE_USER_PART_TEST, "User part test"},
137 { MESSAGE_TYPE_USER_PART_AVAIL, "User part available"},
138 { MESSAGE_TYPE_IDENT_REQ, "Identification request"},
139 { MESSAGE_TYPE_IDENT_RSP, "Identification response"},
140 { MESSAGE_TYPE_SEGMENTATION, "Segmentation"},
141 { MESSAGE_TYPE_LOOP_PREVENTION, "Loop prevention"},
144 /* Same as above but in acronym form (for the Info column) */
145 static const value_string isup_message_type_value_acro[] = {
146 { MESSAGE_TYPE_INITIAL_ADDR, "IAM"},
147 { MESSAGE_TYPE_SUBSEQ_ADDR, "SAM"},
148 { MESSAGE_TYPE_INFO_REQ, "INR"},
149 { MESSAGE_TYPE_INFO, "INF"},
150 { MESSAGE_TYPE_CONTINUITY, "COT"},
151 { MESSAGE_TYPE_ADDR_CMPL, "ACM"},
152 { MESSAGE_TYPE_CONNECT, "CON"},
153 { MESSAGE_TYPE_FORW_TRANS, "FOT"},
154 { MESSAGE_TYPE_ANSWER, "ANM"},
155 { MESSAGE_TYPE_RELEASE, "REL"},
156 { MESSAGE_TYPE_SUSPEND, "SUS"},
157 { MESSAGE_TYPE_RESUME, "RES"},
158 { MESSAGE_TYPE_REL_CMPL, "RLC"},
159 { MESSAGE_TYPE_CONT_CHECK_REQ, "CCR"},
160 { MESSAGE_TYPE_RESET_CIRCUIT, "RSC"},
161 { MESSAGE_TYPE_BLOCKING, "BLO"},
162 { MESSAGE_TYPE_UNBLOCKING, "UBL"},
163 { MESSAGE_TYPE_BLOCK_ACK, "BLA"},
164 { MESSAGE_TYPE_UNBLOCK_ACK, "UBLA"},
165 { MESSAGE_TYPE_CIRC_GRP_RST, "GRS"},
166 { MESSAGE_TYPE_CIRC_GRP_BLCK, "CGB"},
167 { MESSAGE_TYPE_CIRC_GRP_UNBL, "CGU"},
168 { MESSAGE_TYPE_CIRC_GRP_BL_ACK, "CGBA"},
169 { MESSAGE_TYPE_CIRC_GRP_UNBL_ACK, "CGUA"},
170 { MESSAGE_TYPE_FACILITY_REQ, "FAR"},
171 { MESSAGE_TYPE_FACILITY_ACC, "FAA"},
172 { MESSAGE_TYPE_FACILITY_REJ, "FRJ"},
173 { MESSAGE_TYPE_LOOP_BACK_ACK, "LPA"},
174 { MESSAGE_TYPE_PASS_ALONG, "PAM"},
175 { MESSAGE_TYPE_CIRC_GRP_RST_ACK, "GRA"},
176 { MESSAGE_TYPE_CIRC_GRP_QRY, "CQM"},
177 { MESSAGE_TYPE_CIRC_GRP_QRY_RSP, "CQR"},
178 { MESSAGE_TYPE_CALL_PROGRSS, "CPG"},
179 { MESSAGE_TYPE_USER2USER_INFO, "UUI"},
180 { MESSAGE_TYPE_UNEQUIPPED_CIC, "UCIC"},
181 { MESSAGE_TYPE_CONFUSION, "CFN"},
182 { MESSAGE_TYPE_OVERLOAD, "OLM"},
183 { MESSAGE_TYPE_CHARGE_INFO, "CRG"},
184 { MESSAGE_TYPE_NETW_RESRC_MGMT, "NRM"},
185 { MESSAGE_TYPE_FACILITY, "FAC"},
186 { MESSAGE_TYPE_USER_PART_TEST, "UPT"},
187 { MESSAGE_TYPE_USER_PART_AVAIL, "UPA"},
188 { MESSAGE_TYPE_IDENT_REQ, "IDR"},
189 { MESSAGE_TYPE_IDENT_RSP, "IDS"},
190 { MESSAGE_TYPE_SEGMENTATION, "SGM"},
191 { MESSAGE_TYPE_LOOP_PREVENTION, "LOP"},
194 /* Definition of Parameter Types */
195 #define PARAM_TYPE_END_OF_OPT_PARAMS 0
196 #define PARAM_TYPE_CALL_REF 1
197 #define PARAM_TYPE_TRANSM_MEDIUM_REQU 2
198 #define PARAM_TYPE_ACC_TRANSP 3
199 #define PARAM_TYPE_CALLED_PARTY_NR 4
200 #define PARAM_TYPE_SUBSQT_NR 5
201 #define PARAM_TYPE_NATURE_OF_CONN_IND 6
202 #define PARAM_TYPE_FORW_CALL_IND 7
203 #define PARAM_TYPE_OPT_FORW_CALL_IND 8
204 #define PARAM_TYPE_CALLING_PRTY_CATEG 9
205 #define PARAM_TYPE_CALLING_PARTY_NR 10
206 #define PARAM_TYPE_REDIRECTING_NR 11
207 #define PARAM_TYPE_REDIRECTION_NR 12
208 #define PARAM_TYPE_CONNECTION_REQ 13
209 #define PARAM_TYPE_INFO_REQ_IND 14
210 #define PARAM_TYPE_INFO_IND 15
211 #define PARAM_TYPE_CONTINUITY_IND 16
212 #define PARAM_TYPE_BACKW_CALL_IND 17
213 #define PARAM_TYPE_CAUSE_INDICATORS 18
214 #define PARAM_TYPE_REDIRECTION_INFO 19
215 #define PARAM_TYPE_CIRC_GRP_SV_MSG_TYPE 21
216 #define PARAM_TYPE_RANGE_AND_STATUS 22
217 #define PARAM_TYPE_FACILITY_IND 24
218 #define PARAM_TYPE_CLSD_USR_GRP_ILOCK_CD 26
219 #define PARAM_TYPE_USER_SERVICE_INFO 29
220 #define PARAM_TYPE_SIGNALLING_POINT_CODE 30
221 #define PARAM_TYPE_USER_TO_USER_INFO 32
222 #define PARAM_TYPE_CONNECTED_NR 33
223 #define PARAM_TYPE_SUSP_RESUME_IND 34
224 #define PARAM_TYPE_TRANSIT_NETW_SELECT 35
225 #define PARAM_TYPE_EVENT_INFO 36
226 #define PARAM_TYPE_CIRC_ASSIGN_MAP 37
227 #define PARAM_TYPE_CIRC_STATE_IND 38
228 #define PARAM_TYPE_AUTO_CONG_LEVEL 39
229 #define PARAM_TYPE_ORIG_CALLED_NR 40
230 #define PARAM_TYPE_OPT_BACKW_CALL_IND 41
231 #define PARAM_TYPE_USER_TO_USER_IND 42
232 #define PARAM_TYPE_ORIG_ISC_POINT_CODE 43
233 #define PARAM_TYPE_GENERIC_NOTIF_IND 44
234 #define PARAM_TYPE_CALL_HIST_INFO 45
235 #define PARAM_TYPE_ACC_DELIV_INFO 46
236 #define PARAM_TYPE_NETW_SPECIFIC_FACLTY 47
237 #define PARAM_TYPE_USER_SERVICE_INFO_PR 48
238 #define PARAM_TYPE_PROPAG_DELAY_COUNTER 49
239 #define PARAM_TYPE_REMOTE_OPERATIONS 50
240 #define PARAM_TYPE_SERVICE_ACTIVATION 51
241 #define PARAM_TYPE_USER_TELESERV_INFO 52
242 #define PARAM_TYPE_TRANSM_MEDIUM_USED 53
243 #define PARAM_TYPE_CALL_DIV_INFO 54
244 #define PARAM_TYPE_ECHO_CTRL_INFO 55
245 #define PARAM_TYPE_MSG_COMPAT_INFO 56
246 #define PARAM_TYPE_PARAM_COMPAT_INFO 57
247 #define PARAM_TYPE_MLPP_PRECEDENCE 58
248 #define PARAM_TYPE_MCID_REQ_IND 59
249 #define PARAM_TYPE_MCID_RSP_IND 60
250 #define PARAM_TYPE_HOP_COUNTER 61
251 #define PARAM_TYPE_TRANSM_MEDIUM_RQUR_PR 62
252 #define PARAM_TYPE_LOCATION_NR 63
253 #define PARAM_TYPE_REDIR_NR_RSTRCT 64
254 #define PARAM_TYPE_CALL_TRANS_REF 67
255 #define PARAM_TYPE_LOOP_PREV_IND 68
256 #define PARAM_TYPE_CALL_TRANS_NR 69
257 #define PARAM_TYPE_CCSS 75
258 #define PARAM_TYPE_FORW_GVNS 76
259 #define PARAM_TYPE_BACKW_GVNS 77
260 #define PARAM_TYPE_REDIRECT_CAPAB 78
261 #define PARAM_TYPE_NETW_MGMT_CTRL 91
262 #define PARAM_TYPE_CORRELATION_ID 101
263 #define PARAM_TYPE_SCF_ID 102
264 #define PARAM_TYPE_CALL_DIV_TREAT_IND 110
265 #define PARAM_TYPE_CALLED_IN_NR 111
266 #define PARAM_TYPE_CALL_OFF_TREAT_IND 112
267 #define PARAM_TYPE_CHARGED_PARTY_IDENT 113
268 #define PARAM_TYPE_CONF_TREAT_IND 114
269 #define PARAM_TYPE_DISPLAY_INFO 115
270 #define PARAM_TYPE_UID_ACTION_IND 116
271 #define PARAM_TYPE_UID_CAPAB_IND 117
272 #define PARAM_TYPE_REDIRECT_COUNTER 119
273 #define PARAM_TYPE_COLLECT_CALL_REQ 121
274 #define PARAM_TYPE_GENERIC_NR 192
275 #define PARAM_TYPE_GENERIC_DIGITS 193
277 static const value_string isup_parameter_type_value[] = {
278 { PARAM_TYPE_END_OF_OPT_PARAMS, "End of optional parameters"},
279 { PARAM_TYPE_CALL_REF, "Call Reference (national use)"},
280 { PARAM_TYPE_TRANSM_MEDIUM_REQU, "Transmission medium requirement"},
281 { PARAM_TYPE_ACC_TRANSP, "Access transport"},
282 { PARAM_TYPE_CALLED_PARTY_NR, "Called party number"},
283 { PARAM_TYPE_SUBSQT_NR, "Subsequent number"},
284 { PARAM_TYPE_NATURE_OF_CONN_IND, "Nature of connection indicators"},
285 { PARAM_TYPE_FORW_CALL_IND, "Forward call indicators"},
286 { PARAM_TYPE_OPT_FORW_CALL_IND, "Optional forward call indicators"},
287 { PARAM_TYPE_CALLING_PRTY_CATEG, "Calling party's category"},
288 { PARAM_TYPE_CALLING_PARTY_NR, "Calling party number"},
289 { PARAM_TYPE_REDIRECTING_NR, "Redirecting number"},
290 { PARAM_TYPE_REDIRECTION_NR, "Redirection number"},
291 { PARAM_TYPE_CONNECTION_REQ, "Connection request"},
292 { PARAM_TYPE_INFO_REQ_IND, "Information request indicators (national use)"},
293 { PARAM_TYPE_INFO_IND, "Information indicators (national use)"},
294 { PARAM_TYPE_CONTINUITY_IND, "Continuity request"},
295 { PARAM_TYPE_BACKW_CALL_IND, "Backward call indicators"},
296 { PARAM_TYPE_CAUSE_INDICATORS, "Cause indicators"},
297 { PARAM_TYPE_REDIRECTION_INFO, "Redirection information"},
298 { PARAM_TYPE_CIRC_GRP_SV_MSG_TYPE, "Circuit group supervision message type"},
299 { PARAM_TYPE_RANGE_AND_STATUS, "Range and Status"},
300 { PARAM_TYPE_FACILITY_IND, "Facility indicator"},
301 { PARAM_TYPE_CLSD_USR_GRP_ILOCK_CD, "Closed user group interlock code"},
302 { PARAM_TYPE_USER_SERVICE_INFO, "User service information"},
303 { PARAM_TYPE_SIGNALLING_POINT_CODE, "Signalling point code (national use)"},
304 { PARAM_TYPE_USER_TO_USER_INFO, "User-to-user information"},
305 { PARAM_TYPE_CONNECTED_NR, "Connected number"},
306 { PARAM_TYPE_SUSP_RESUME_IND, "Suspend/Resume indicators"},
307 { PARAM_TYPE_TRANSIT_NETW_SELECT, "Transit network selection (national use)"},
308 { PARAM_TYPE_EVENT_INFO, "Event information"},
309 { PARAM_TYPE_CIRC_ASSIGN_MAP, "Circuit assignment map"},
310 { PARAM_TYPE_CIRC_STATE_IND, "Circuit state indicator (national use)"},
311 { PARAM_TYPE_AUTO_CONG_LEVEL, "Automatic congestion level"},
312 { PARAM_TYPE_ORIG_CALLED_NR, "Original called number"},
313 { PARAM_TYPE_OPT_BACKW_CALL_IND, "Backward call indicators"},
314 { PARAM_TYPE_USER_TO_USER_IND, "User-to-user indicators"},
315 { PARAM_TYPE_ORIG_ISC_POINT_CODE, "Origination ISC point code"},
316 { PARAM_TYPE_GENERIC_NOTIF_IND, "Generic notification indicator"},
317 { PARAM_TYPE_CALL_HIST_INFO, "Call history information"},
318 { PARAM_TYPE_ACC_DELIV_INFO, "Access delivery information"},
319 { PARAM_TYPE_NETW_SPECIFIC_FACLTY, "Network specific facility (national use)"},
320 { PARAM_TYPE_USER_SERVICE_INFO_PR, "User service information prime"},
321 { PARAM_TYPE_PROPAG_DELAY_COUNTER, "Propagation delay counter"},
322 { PARAM_TYPE_REMOTE_OPERATIONS, "Remote operations (national use)"},
323 { PARAM_TYPE_SERVICE_ACTIVATION, "Service activation"},
324 { PARAM_TYPE_USER_TELESERV_INFO, "User teleservice information"},
325 { PARAM_TYPE_TRANSM_MEDIUM_USED, "Transmission medium used"},
326 { PARAM_TYPE_CALL_DIV_INFO, "Call diversion information"},
327 { PARAM_TYPE_ECHO_CTRL_INFO, "Echo control information"},
328 { PARAM_TYPE_MSG_COMPAT_INFO, "Message compatibility information"},
329 { PARAM_TYPE_PARAM_COMPAT_INFO, "Parameter compatibility information"},
330 { PARAM_TYPE_MLPP_PRECEDENCE, "MLPP precedence"},
331 { PARAM_TYPE_MCID_REQ_IND, "MCID request indicators"},
332 { PARAM_TYPE_MCID_RSP_IND, "MCID response indicators"},
333 { PARAM_TYPE_HOP_COUNTER, "Hop counter"},
334 { PARAM_TYPE_TRANSM_MEDIUM_RQUR_PR, "Transmission medium requirement prime"},
335 { PARAM_TYPE_LOCATION_NR, "Location number"},
336 { PARAM_TYPE_REDIR_NR_RSTRCT, "Redirection number restriction"},
337 { PARAM_TYPE_CALL_TRANS_REF, "Call transfer reference"},
338 { PARAM_TYPE_LOOP_PREV_IND, "Loop prevention indicators"},
339 { PARAM_TYPE_CALL_TRANS_NR, "Call transfer number"},
340 { PARAM_TYPE_CCSS, "CCSS"},
341 { PARAM_TYPE_FORW_GVNS, "Forward GVNS"},
342 { PARAM_TYPE_BACKW_GVNS, "Backward GVNS"},
343 { PARAM_TYPE_REDIRECT_CAPAB, "Redirect capability (reserved for national use)"},
344 { PARAM_TYPE_NETW_MGMT_CTRL, "Network management controls"},
345 { PARAM_TYPE_CORRELATION_ID, "Correlation id"},
346 { PARAM_TYPE_SCF_ID, "SCF id"},
347 { PARAM_TYPE_CALL_DIV_TREAT_IND, "Call diversion treatment indicators"},
348 { PARAM_TYPE_CALLED_IN_NR, "Called IN number"},
349 { PARAM_TYPE_CALL_OFF_TREAT_IND, "Call offering treatment indicators"},
350 { PARAM_TYPE_CHARGED_PARTY_IDENT, "Charged party identification (national use)"},
351 { PARAM_TYPE_CONF_TREAT_IND, "Conference treatment indicators"},
352 { PARAM_TYPE_DISPLAY_INFO, "Display information"},
353 { PARAM_TYPE_UID_ACTION_IND, "UID action indicators"},
354 { PARAM_TYPE_UID_CAPAB_IND, "UID capability indicators"},
355 { PARAM_TYPE_REDIRECT_COUNTER, "Redirect counter (reserved for national use)"},
356 { PARAM_TYPE_COLLECT_CALL_REQ, "Collect call request"},
357 { PARAM_TYPE_GENERIC_NR, "Generic number"},
358 { PARAM_TYPE_GENERIC_DIGITS, "Generic digits (national use)"},
363 #define MESSAGE_TYPE_LENGTH 1
364 #define COMMON_HEADER_LENGTH (CIC_LENGTH + MESSAGE_TYPE_LENGTH)
366 #define MAXLENGTH 0xFF /* since length field is 8 Bit long - used in number dissectors;
367 max. number of address digits is 15 digits, but MAXLENGTH used
368 to avoid runtime errors */
370 #define PARAMETER_TYPE_LENGTH 1
371 #define PARAMETER_POINTER_LENGTH 1
372 #define PARAMETER_LENGTH_IND_LENGTH 1
374 /* All following parameter length definitions are WITHOUT the parameter type byte and length indicator for optional parameters*/
375 #define PARAMETER_NAME_LENGTH 1
376 #define PARAMETER_LENGTH_IND_LENGTH 1
377 #define ACCESS_DELIVERY_INFO_LENGTH 1
378 #define AUTO_CONGEST_LEVEL_LENGTH 1
379 #define BACKWARD_CALL_IND_LENGTH 2
380 #define BACKWARD_GVNS_LENGTH 1
381 #define CALL_DIV_INFO_LENGTH 1
382 #define CALL_DIV_TREATMENT_IND_LENGTH 1
383 #define CALL_HISTORY_INFO_LENGTH 2
384 #define CALL_OFFERING_TREATMENT_IND_LENGTH 1
385 #define CALL_REFERENCE_LENGTH 5
386 #define CALL_TRANSFER_REF_LENGTH 1
387 #define CALLING_PRTYS_CATEGORY_LENGTH 1
388 #define CCSS_LENGTH 1
389 #define CIRCUIT_ASSIGNMENT_MAP_LENGTH 5
390 #define CIRC_GRP_SV_MSG_TYPE_LENGTH 1
391 #define CLOSED_USR_GRP_INTERLOCK_CODE_LENGTH 4
392 #define COLLECT_CALL_REQUEST_LENGTH 1
393 #define CONFERENCE_TREATMENT_IND_LENGTH 1
394 #define CONNECTION_REQUEST_LENGTH 7
395 #define CONTINUITY_IND_LENGTH 1
396 #define ECHO_CONTROL_INFO_LENGTH 1
397 #define END_OF_OPT_PART_LENGTH 1
398 #define EVENT_INFO_LENGTH 1
399 #define FACILITY_IND_LENGTH 1
400 #define FORWARD_CALL_IND_LENGTH 2
401 #define GENERIC_NOTIFICATION_IND_LENGTH 1
402 #define HOP_COUNTER_LENGTH 1
403 #define INFO_IND_LENGTH 2
404 #define INFO_REQUEST_IND_LENGTH 2
405 #define LOOP_PREVENTION_IND_LENGTH 1
406 #define MCID_REQUEST_IND_LENGTH 1
407 #define MCID_RESPONSE_IND_LENGTH 1
408 #define MLPP_PRECEDENCE_LENGTH 1
409 #define NATURE_OF_CONNECTION_IND_LENGTH 1
410 #define NETWORK_MANAGEMENT_CONTROLS_LENGTH 1
411 #define OPTIONAL_BACKWARD_CALL_IND_LENGTH 1
412 #define OPTIONAL_FORWARD_CALL_IND_LENGTH 1
413 #define ORIGINAL_ISC_POINT_CODE_LENGTH 2
414 #define PROPAGATION_DELAY_COUNT_LENGTH 2
415 #define REDIRECTION_NUMBER_LENGTH 2
416 #define REDIRECTION_INFO_LENGTH 2
417 #define REDIRECTION_NUMBER_RESTRICTION_LENGTH 1
418 #define SIGNALLING_POINT_CODE_LENGTH 2
419 #define SUSPEND_RESUME_IND_LENGTH 1
420 #define TRANSMISSION_MEDIUM_REQUIREMENT_LENGTH 1
421 #define TRANSMISSION_MEDIUM_RQMT_PRIME_LENGTH 1
422 #define TRANSMISSION_MEDIUM_USED_LENGTH 1
423 #define UID_ACTION_IND_LENGTH 1
424 #define UID_CAPABILITY_IND_LENGTH 1
425 #define USER_TELESERVICE_INFO_LENGTH 3
426 #define USER_TO_USER_IND_LENGTH 1
427 #define RANGE_LENGTH 1
429 #define CALL_ID_LENGTH 3 /* for parameter Call Reference */
430 #define SPC_LENGTH 2 /* for parameter Call Reference, Connection request */
431 #define LOCAL_REF_LENGTH 3 /* for parameter Connection request */
432 #define PROTOCOL_CLASS_LENGTH 1 /* for parameter Connection request */
433 #define CREDIT_LENGTH 1 /* for parameter Connection request */
437 #define NO_SATELLITE_CIRCUIT_IN_CONNECTION 0
438 #define ONE_SATELLITE_CIRCUIT_IN_CONNECTION 1
439 #define TWO_SATELLITE_CIRCUIT_IN_CONNECTION 2
440 static const value_string isup_satellite_ind_value[] = {
441 { NO_SATELLITE_CIRCUIT_IN_CONNECTION, "No Satellite circuit in connection"},
442 { ONE_SATELLITE_CIRCUIT_IN_CONNECTION, "One Satellite circuit in connection"},
443 { TWO_SATELLITE_CIRCUIT_IN_CONNECTION, "Two Satellite circuits in connection"},
446 #define CONTINUITY_CHECK_NOT_REQUIRED 0
447 #define CONTINUITY_CHECK_REQUIRED 1
448 #define CONTINUITY_CHECK_ON_A_PREVIOUS_CIRCUIT 2
449 static const value_string isup_continuity_check_ind_value[] = {
450 { CONTINUITY_CHECK_NOT_REQUIRED, "Continuity check not required"},
451 { CONTINUITY_CHECK_REQUIRED, "Continuity check required on this circuit"},
452 { CONTINUITY_CHECK_ON_A_PREVIOUS_CIRCUIT , "Continuity check performed on a previous circuit"},
455 static const true_false_string isup_echo_control_device_ind_value = {
456 "Echo control device included",
457 "Echo control device not included"
460 static const true_false_string isup_natnl_inatnl_call_ind_value = {
461 "Call to be treated as international call",
462 "Call to be treated as national call"
465 #define NO_END_TO_END_METHOD_AVAILABLE 0
466 #define PASS_ALONG_METHOD_AVAILABLE 1
467 #define SCCP_METHOD_AVAILABLE 2
468 #define PASS_ALONG_AND_SCCP_METHOD_AVAILABLE 3
469 static const value_string isup_end_to_end_method_ind_value[] = {
470 { NO_END_TO_END_METHOD_AVAILABLE, "No End-to-end method available (only link-by-link method available)"},
471 { PASS_ALONG_METHOD_AVAILABLE, "Pass-along method available (national use)"},
472 { SCCP_METHOD_AVAILABLE, "SCCP method available"},
473 { PASS_ALONG_AND_SCCP_METHOD_AVAILABLE, "pass-along and SCCP method available (national use)"},
476 static const true_false_string isup_interworking_ind_value = {
477 "interworking encountered",
478 "no interworking encountered (No.7 signalling all the way)"
481 static const true_false_string isup_end_to_end_info_ind_value = {
482 "end-to-end information available",
483 "no end-to-end information available"
486 static const true_false_string isup_ISDN_user_part_ind_value = {
487 "ISDN user part used all the way",
488 "ISDN user part not used all the way"
491 #define ISUP_PREFERED_ALL_THE_WAY 0
492 #define ISUP_NOT_REQUIRED_ALL_THE_WAY 1
493 #define ISUP_REQUIRED_ALL_WAY 2
494 #define ISUP_ISDN_USER_PART_IND_SPARE 3
495 static const value_string isup_preferences_ind_value[] = {
496 { ISUP_PREFERED_ALL_THE_WAY, "ISDN user part prefered all the way"},
497 { ISUP_NOT_REQUIRED_ALL_THE_WAY, "ISDN user part not required all the way"},
498 { ISUP_REQUIRED_ALL_WAY, "ISDN user part required all the way"},
499 { ISUP_ISDN_USER_PART_IND_SPARE, "spare"},
502 static const true_false_string isup_ISDN_originating_access_ind_value = {
503 "originating access ISDN",
504 "originating access non-ISDN"
507 #define NO_INDICATION 0
508 #define CONNECTIONLESS_METHOD_AVAILABLE 1
509 #define CONNECITON_ORIENTED_METHOD_AVAILABLE 2
510 #define CONNECTIONLESS_AND_ORIENTED_METHOD_AVAILABLE 3
511 static const value_string isup_SCCP_method_ind_value[] = {
512 { NO_INDICATION, "No indication"},
513 { CONNECTIONLESS_METHOD_AVAILABLE, "Connectionless method available (national use)"},
514 { CONNECITON_ORIENTED_METHOD_AVAILABLE, "Connection oriented method available"},
515 { CONNECTIONLESS_AND_ORIENTED_METHOD_AVAILABLE, "Connectionless and -oriented method available (national use)"},
518 #define UNKNOWN_AT_THIS_TIME 0
519 #define OPERATOR_FRENCH 1
520 #define OPERATOR_ENGLISH 2
521 #define OPERATOR_GERMAN 3
522 #define OPERATOR_RUSSIAN 4
523 #define OPERATOR_SPANISH 5
524 #define ORDINARY_CALLING_SUBSCRIBER 10
525 #define CALLING_SUBSCRIBER_WITH_PRIORITY 11
529 static const value_string isup_calling_partys_category_value[] = {
530 { UNKNOWN_AT_THIS_TIME, "Category unknown at this time (national use)"},
531 { OPERATOR_FRENCH, "operator, language French"},
532 { OPERATOR_ENGLISH, "operator, language English"},
533 { OPERATOR_GERMAN, "operator, language German"},
534 { OPERATOR_RUSSIAN, "operator, language Russian"},
535 { OPERATOR_SPANISH, "operator, language Spanish"},
536 { ORDINARY_CALLING_SUBSCRIBER, "ordinary calling subscriber"},
537 { CALLING_SUBSCRIBER_WITH_PRIORITY, "calling subscriber with priority"},
538 { DATA_CALL, "data call (voice band data)"},
539 { TEST_CALL, "test call"},
540 { PAYPHONE, "payphone"},
543 #define MEDIUM_SPEECH 0
544 #define MEDIUM_64KBS 2
545 #define MEDIUM_3_1_KHZ_AUDIO 3
546 #define MEDIUM_RESERVED_SERVICE2_1 4
547 #define MEDIUM_RESERVED_SERVICE1_2 5
548 #define MEDIUM_64KBS_PREFERED 6
549 #define MEDIUM_2_64KBS 7
550 #define MEDIUM_384KBS 8
551 #define MEDIUM_1536KBS 9
552 #define MEDIUM_1920KBS 10
553 #define MEDIUM_3_64KBS 16
554 #define MEDIUM_4_64KBS 17
555 #define MEDIUM_5_64KBS 18
556 #define MEDIUM_7_64KBS 20
557 #define MEDIUM_8_64KBS 21
558 #define MEDIUM_9_64KBS 22
559 #define MEDIUM_10_64KBS 23
560 #define MEDIUM_11_64KBS 24
561 #define MEDIUM_12_64KBS 25
562 #define MEDIUM_13_64KBS 26
563 #define MEDIUM_14_64KBS 27
564 #define MEDIUM_15_64KBS 28
565 #define MEDIUM_16_64KBS 29
566 #define MEDIUM_17_64KBS 30
567 #define MEDIUM_18_64KBS 31
568 #define MEDIUM_19_64KBS 32
569 #define MEDIUM_20_64KBS 33
570 #define MEDIUM_21_64KBS 34
571 #define MEDIUM_22_64KBS 35
572 #define MEDIUM_23_64KBS 36
573 #define MEDIUM_25_64KBS 38
574 #define MEDIUM_26_64KBS 39
575 #define MEDIUM_27_64KBS 40
576 #define MEDIUM_28_64KBS 41
577 #define MEDIUM_29_64KBS 42
578 static const value_string isup_transmission_medium_requirement_value[] = {
579 { MEDIUM_SPEECH, "speech"},
580 { MEDIUM_64KBS, "64 kbit/s unrestricted"},
581 { MEDIUM_3_1_KHZ_AUDIO, "3.1 kHz audio"},
582 { MEDIUM_RESERVED_SERVICE2_1, "reserved for alternate speech (service 2)/64 kbit/s unrestricted (service 1)"},
583 { MEDIUM_RESERVED_SERVICE1_2, "reserved for alternate 64 kbit/s unrestricted (service 1)/speech (service 2)"},
584 { MEDIUM_64KBS_PREFERED, "64 kbit/s prefered"},
585 { MEDIUM_2_64KBS, "2x64 kbit/s unrestricted"},
586 { MEDIUM_384KBS, "384 kbit/s unrestricted"},
587 { MEDIUM_1536KBS, "1536 kbit/s unrestricted"},
588 { MEDIUM_1920KBS, "1920 kbit/s unrestricted"},
589 { MEDIUM_3_64KBS, "3x64 kbit/s unrestricted"},
590 { MEDIUM_4_64KBS, "4x64 kbit/s unrestricted"},
591 { MEDIUM_5_64KBS, "5x64 kbit/s unrestricted"},
592 { MEDIUM_7_64KBS, "7x64 kbit/s unrestricted"},
593 { MEDIUM_8_64KBS, "8x64 kbit/s unrestricted"},
594 { MEDIUM_9_64KBS, "9x64 kbit/s unrestricted"},
595 { MEDIUM_10_64KBS, "10x64 kbit/s unrestricted"},
596 { MEDIUM_11_64KBS, "11x64 kbit/s unrestricted"},
597 { MEDIUM_12_64KBS, "12x64 kbit/s unrestricted"},
598 { MEDIUM_13_64KBS, "13x64 kbit/s unrestricted"},
599 { MEDIUM_14_64KBS, "14x64 kbit/s unrestricted"},
600 { MEDIUM_15_64KBS, "15x64 kbit/s unrestricted"},
601 { MEDIUM_16_64KBS, "16x64 kbit/s unrestricted"},
602 { MEDIUM_17_64KBS, "17x64 kbit/s unrestricted"},
603 { MEDIUM_18_64KBS, "18x64 kbit/s unrestricted"},
604 { MEDIUM_19_64KBS, "19x64 kbit/s unrestricted"},
605 { MEDIUM_20_64KBS, "20x64 kbit/s unrestricted"},
606 { MEDIUM_21_64KBS, "21x64 kbit/s unrestricted"},
607 { MEDIUM_22_64KBS, "22x64 kbit/s unrestricted"},
608 { MEDIUM_23_64KBS, "23x64 kbit/s unrestricted"},
609 { MEDIUM_25_64KBS, "25x64 kbit/s unrestricted"},
610 { MEDIUM_26_64KBS, "26x64 kbit/s unrestricted"},
611 { MEDIUM_27_64KBS, "27x64 kbit/s unrestricted"},
612 { MEDIUM_28_64KBS, "28x64 kbit/s unrestricted"},
613 { MEDIUM_29_64KBS, "29x64 kbit/s unrestricted"},
615 static const value_string isup_transmission_medium_requirement_prime_value[] = {
616 { MEDIUM_SPEECH, "speech"},
617 { MEDIUM_64KBS, "reserved for 64 kbit/s unrestricted"},
618 { MEDIUM_3_1_KHZ_AUDIO, "3.1 kHz audio"},
619 { MEDIUM_RESERVED_SERVICE2_1, "reserved for alternate speech (service 2)/64 kbit/s unrestricted (service 1)"},
620 { MEDIUM_RESERVED_SERVICE1_2, "reserved for alternate 64 kbit/s unrestricted (service 1)/speech (service 2)"},
621 { MEDIUM_64KBS_PREFERED, "reserved for 64 kbit/s prefered"},
622 { MEDIUM_2_64KBS, "reserved for 2x64 kbit/s unrestricted"},
623 { MEDIUM_384KBS, "reserved for 384 kbit/s unrestricted"},
624 { MEDIUM_1536KBS, "reserved for 1536 kbit/s unrestricted"},
625 { MEDIUM_1920KBS, "reserved for 1920 kbit/s unrestricted"},
629 /* Definitions for Called and Calling Party number */
630 #define ISUP_ODD_EVEN_MASK 0x80
631 #define ISUP_NATURE_OF_ADDRESS_IND_MASK 0x7F
632 #define ISUP_INN_MASK 0x80
633 #define ISUP_NI_MASK 0x80
634 #define ISUP_NUMBERING_PLAN_IND_MASK 0x70
635 #define ISUP_ADDRESS_PRESENTATION_RESTR_IND_MASK 0x0C
636 #define ISUP_SCREENING_IND_MASK 0x03
637 #define ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK 0x0F
638 #define ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK 0xF0
640 static const true_false_string isup_odd_even_ind_value = {
641 "odd number of address signals",
642 "even number of address signals"
645 #define ISUP_CALLED_PARTY_NATURE_SUBSCRIBER_NR 1
646 #define ISUP_CALLED_PARTY_NATURE_UNKNOWN 2
647 #define ISUP_CALLED_PARTY_NATURE_NATIONAL_NR 3
648 #define ISUP_CALLED_PARTY_NATURE_INTERNATNL_NR 4
649 #define ISUP_CALLED_PARTY_NATURE_NETW_SPEC_NR 5
650 static const value_string isup_called_party_nature_of_address_ind_value[] = {
651 { ISUP_CALLED_PARTY_NATURE_SUBSCRIBER_NR, "subscriber number (national use)"},
652 { ISUP_CALLED_PARTY_NATURE_UNKNOWN, "unknown (national use)"},
653 { ISUP_CALLED_PARTY_NATURE_NATIONAL_NR, "national (significant) number"},
654 { ISUP_CALLED_PARTY_NATURE_INTERNATNL_NR, "international number"},
655 { ISUP_CALLED_PARTY_NATURE_NETW_SPEC_NR, "network-specific number (national use)"},
658 static const value_string isup_calling_party_nature_of_address_ind_value[] = {
659 { ISUP_CALLED_PARTY_NATURE_SUBSCRIBER_NR, "subscriber number (national use)"},
660 { ISUP_CALLED_PARTY_NATURE_UNKNOWN, "unknown (national use)"},
661 { ISUP_CALLED_PARTY_NATURE_NATIONAL_NR, "national (significant) number"},
662 { ISUP_CALLED_PARTY_NATURE_INTERNATNL_NR, "international number"},
665 static const true_false_string isup_INN_ind_value = {
666 "routing to internal network number not allowed",
667 "routing to internal network number allowed "
669 static const true_false_string isup_NI_ind_value = {
674 #define ISDN_NUMBERING_PLAN 1
675 #define DATA_NUMBERING_PLAN 3
676 #define TELEX_NUMBERING_PLAN 4
677 static const value_string isup_numbering_plan_ind_value[] = {
678 { ISDN_NUMBERING_PLAN, "ISDN (Telephony) numbering plan"},
679 { DATA_NUMBERING_PLAN, "Data numbering plan (national use)"},
680 { TELEX_NUMBERING_PLAN, "Telex numbering plan (national use)"},
681 { 5, "Reserved for national use"},
682 { 6, "Reserved for national use"},
685 #define ADDRESS_PRESETATION_ALLOWED 0
686 #define ADDRESS_PRESETATION_RESTRICTED 1
687 #define ADDRESS_NOT_AVAILABLE 2
688 static const value_string isup_address_presentation_restricted_ind_value[] = {
689 { ADDRESS_PRESETATION_ALLOWED, "presentation allowed"},
690 { ADDRESS_PRESETATION_RESTRICTED, "presentation restricted"},
691 { ADDRESS_NOT_AVAILABLE, "address not availabe (national use)"},
695 static const value_string isup_screening_ind_value[] = {
697 { 1, "user provided, verified and passed"},
699 { 3, "network provided"},
702 static const value_string isup_screening_ind_enhanced_value[] = {
703 { 0, "user provided, not verified"},
704 { 1, "user provided, verified and passed"},
705 { 2, "user provided, verified and failed"},
706 { 3, "network provided"},
709 static const value_string isup_called_party_address_digit_value[] = {
723 { 15, "Stop sending"},
726 static const value_string isup_calling_party_address_digit_value[] = {
743 /*End of Called/Calling party address definitions */
746 static const true_false_string isup_calling_party_address_request_ind_value = {
747 "calling party address requested",
748 "calling party address not requested"
750 static const true_false_string isup_holding_ind_value = {
752 "holding not requested"
754 static const true_false_string isup_calling_partys_category_request_ind_value = {
755 "Calling Party's category requested",
756 "Calling Party's category not requested",
758 static const true_false_string isup_charge_information_request_ind_value = {
759 "Charge Information requested",
760 "Charge Information not requested"
762 static const true_false_string isup_malicious_call_identification_request_ind_value = {
763 "Malicious call identification requested",
764 "Malicious call identification not requested"
767 #define CALLING_PARTY_ADDRESS_NOT_INCLUDED 0
768 #define CALLING_PARTY_ADDRESS_NOT_AVAILABLE 1
769 #define CALLING_PARTY_ADDRESS_INCLUDED 3
770 static const value_string isup_calling_party_address_response_ind_value[] = {
771 { CALLING_PARTY_ADDRESS_NOT_INCLUDED, "Calling party address not included"},
772 { CALLING_PARTY_ADDRESS_NOT_AVAILABLE,"Calling party address not available"},
774 { CALLING_PARTY_ADDRESS_INCLUDED, "Calling party address included"},
777 static const true_false_string isup_hold_provided_ind_value = {
781 static const true_false_string isup_calling_partys_category_response_ind_value = {
782 "Calling Party's category included",
783 "Calling Party's category not included",
785 static const true_false_string isup_charge_information_response_ind_value = {
786 "Charge Information included",
787 "Charge Information not included"
789 static const true_false_string isup_solicited_information_ind_value = {
794 static const true_false_string isup_continuity_ind_value = {
795 "Continuity check successful",
796 "Continuity ckec failed"
799 #define CHARGE_NO_IND 0
800 #define CHARGE_NO_CHARGE 1
801 #define CHARGE_CHARGE 2
802 static const value_string isup_charge_ind_value[] = {
803 { CHARGE_NO_IND, "No indication"},
804 { CHARGE_NO_CHARGE, "No charge"},
805 { CHARGE_CHARGE, "Charge"},
809 #define CALLED_PARTYS_STATUS_NO_IND 0
810 #define CALLED_PARTYS_STATUS_SUBSCR_FREE 1
811 #define CALLED_PARTYS_STATUS_CONNECT_WHEN_FREE 2
812 static const value_string isup_called_partys_status_ind_value[] = {
813 { CALLED_PARTYS_STATUS_NO_IND, "No indication"},
814 { CALLED_PARTYS_STATUS_SUBSCR_FREE, "Subscriber free"},
815 { CALLED_PARTYS_STATUS_CONNECT_WHEN_FREE, "Connect when free (national use)"},
819 #define CALLED_PARTYS_CATEGORY_NO_IND 0
820 #define CALLED_PARTYS_CATEGORY_ORDINARY_SUBSCR 1
821 #define CALLED_PARTYS_CATEGORY_PAYPHONE 2
822 static const value_string isup_called_partys_category_ind_value[] = {
823 { CALLED_PARTYS_CATEGORY_NO_IND, "No indication"},
824 { CALLED_PARTYS_CATEGORY_ORDINARY_SUBSCR, "Ordinary subscriber"},
825 { CALLED_PARTYS_CATEGORY_PAYPHONE, "Payphone"},
829 static const true_false_string isup_ISDN_terminating_access_ind_value = {
830 "terminating access ISDN",
831 "terminating access non-ISDN"
834 static const true_false_string isup_suspend_resume_ind_value = {
836 "ISDN subscriber initiated"
838 #define MAINTENANCE 0
839 #define HARDWARE_FAILURE 1
840 #define RES_FOR_NATNL_USE 2
841 static const value_string isup_cgs_message_type_value[] = {
842 { MAINTENANCE, "maintenance oriented"},
843 { HARDWARE_FAILURE, "hardware failure oriented"},
844 { RES_FOR_NATNL_USE, "reserved for national use (ISUP'84)"},
848 #define USER_TO_USER_SERVICE 2
849 static const value_string isup_facility_ind_value[] = {
850 { USER_TO_USER_SERVICE, "user-to-user service"},
853 #define MTC_BLCK_STATE_TRANSIENT 0
854 #define MTC_BLCK_STATE_UNEQUIPPED 3
855 static const value_string isup_mtc_blocking_state_DC00_value[] = {
856 { MTC_BLCK_STATE_TRANSIENT, "transient"},
859 { MTC_BLCK_STATE_UNEQUIPPED, "unequipped"},
862 #define MTC_BLCK_NO_BLOCKING 0
863 #define MTC_LOCALLY_BLOCKED 1
864 #define MTC_REMOTELY_BLOCKED 2
865 #define MTC_LOCAL_REMOTE_BLOCKED 3
866 static const value_string isup_mtc_blocking_state_DCnot00_value[] = {
867 { MTC_BLCK_NO_BLOCKING, "no blocking (active)"},
868 { MTC_LOCALLY_BLOCKED, "locally blocked"},
869 { MTC_REMOTELY_BLOCKED, "remotely blocked"},
870 { MTC_LOCAL_REMOTE_BLOCKED, "locally and remotely blocked"},
873 #define CALL_PROC_INCOMING_BUSY 1
874 #define CALL_PROC_OUTGOING_BUSY 2
875 #define CALL_PROC_IDLE 3
876 static const value_string isup_call_processing_state_value[] = {
877 { CALL_PROC_INCOMING_BUSY, "circuit incoming busy"},
878 { CALL_PROC_OUTGOING_BUSY, "circuit outgoing busy"},
879 { CALL_PROC_IDLE, "idle"},
882 #define HW_BLCK_NO_BLOCKING 0
883 #define HW_LOCALLY_BLOCKED 1
884 #define HW_REMOTELY_BLOCKED 2
885 #define HW_LOCAL_REMOTE_BLOCKED 3
886 static const value_string isup_HW_blocking_state_value[] = {
887 { HW_BLCK_NO_BLOCKING, "no blocking (active)"},
888 { HW_LOCALLY_BLOCKED, "locally blocked"},
889 { HW_REMOTELY_BLOCKED, "remotely blocked"},
890 { HW_LOCAL_REMOTE_BLOCKED, "locally and remotely blocked"},
893 #define EVENT_ALERTING 1
894 #define EVENT_PROGRESS 2
895 #define EVENT_INBAND_INFO 3
896 #define EVENT_ON_BUSY 4
897 #define EVENT_ON_NO_REPLY 5
898 #define EVENT_UNCONDITIONAL 6
899 static const value_string isup_event_ind_value[] = {
900 /* according 3.21/Q.763 */
901 { EVENT_ALERTING, "ALERTING"},
902 { EVENT_PROGRESS, "PROGRESS"},
903 { EVENT_INBAND_INFO, "in-band information or an appropriate pattern is now available"},
904 { EVENT_ON_BUSY, "call forwarded on busy (national use)"},
905 { EVENT_ON_NO_REPLY, "call forwarded on no reply (national use)"},
906 { EVENT_UNCONDITIONAL,"call forwarded unconditional (national use)"},
909 static const true_false_string isup_event_presentation_restricted_ind_value = {
910 /* according 3.21/Q.763 */
911 "presentation restricted",
914 #define CUG_NON_CUG_CALL 0
915 #define CUG_CALL_OUTGOING_ACCESS_ALLOWED 2
916 #define CUG_CALL_OUTGOING_ACCESS_NOT_ALLOWED 3
917 static const value_string isup_CUG_call_ind_value[] = {
918 /* according 3.38/Q.763 */
919 { CUG_NON_CUG_CALL, "non-CUG call"},
921 { CUG_CALL_OUTGOING_ACCESS_ALLOWED, "closed user group call, outgoing access allowed"},
922 { CUG_CALL_OUTGOING_ACCESS_NOT_ALLOWED, "closed user group call, outgoing access not allowed"},
926 static const true_false_string isup_simple_segmentation_ind_value = {
927 /* according 3.38/Q.763 */
928 "additional information will be sent in a segmentation message",
929 "no additional information will be sent"
932 static const true_false_string isup_connected_line_identity_request_ind_value = {
933 /* according 3.38/Q.763 */
938 static const value_string isup_redirecting_ind_value[] = {
939 /* according 3.45/Q.763 */
940 { 0, "no redirection (national use)"},
941 { 1, "call rerouted (national use)"},
942 { 2, "call rerouted, all redirection information presentation restricted (national use)"},
943 { 3, "call diverted"},
944 { 4, "call diverted, all redirection information presentation restricted"},
945 { 5, "call rerouted, redirection number presentation restricted (national use)"},
946 { 6, "call diversion, redirection number presentation restricted (national use)"},
950 static const value_string isup_original_redirection_reason_value[] = {
951 /* according 3.45/Q.763 */
952 { 0, "unknown/not available"},
953 { 1, "user busy (national use)"},
954 { 2, "no reply (national use)"},
955 { 3, "unconditional (national use)"},
958 static const value_string isup_redirection_reason_value[] = {
959 /* according 3.45/Q.763 */
960 { 0, "unknown/not available"},
961 { 1, "user busy (national use)"},
962 { 2, "no reply (national use)"},
963 { 3, "unconditional (national use)"},
964 { 4, "deflection during alerting"},
965 { 5, "deflection immediate response"},
966 { 6, "mobile subscriber not reachable"},
969 static const value_string isup_type_of_network_identification_value[] = {
970 /* according 3.53/Q.763 */
971 { 0, "CCITT/ITU-T-standardized identification"},
972 { 2, "national network identification"},
975 static const value_string isup_network_identification_plan_value[] = {
976 /* according 3.53/Q.763 */
977 { 0, "if CCITT/ITU-T id - unknown"},
978 { 3, "if CCITT/ITU-T id - public data network id code (X.121)"},
979 { 6, "if CCITT/ITU-T id - public land Mobile Network id code (E.211)"},
982 static const value_string isup_map_type_value[] = {
983 /* according 3.69/Q.763 */
984 { 1, "1544 kbit/s digital path map format (64 kbit/s base rate"},
985 { 2, "2048 kbit/s digital path map format (64 kbit/s base rate"},
988 static const value_string isup_auto_congestion_level_value[] = {
989 /* according 3.4/Q.763 */
990 { 1, "Congestion level 1 exceeded"},
991 { 2, "Congestion level 2 exceeded"},
994 static const true_false_string isup_inband_information_ind_value = {
995 /* according 3.37/Q.763 */
996 "in-band information or an appropirate pattern is now available",
999 static const true_false_string isup_call_diversion_may_occur_ind_value = {
1000 /* according 3.37/Q.763 */
1001 "call diversion may occur",
1004 static const true_false_string isup_MLPP_user_ind_value = {
1005 /* according 3.37/Q.763 */
1010 static const true_false_string isup_access_delivery_ind_value = {
1011 /* according 3.2/Q.763 */
1012 "No set-up message generated",
1013 "Set-up message generated"
1016 static const value_string isup_loop_prevention_response_ind_value[] = {
1017 /* according 3.67/Q.763 */
1018 { 0, "insufficient information"},
1019 { 1, "no loop exists"},
1020 { 2, "simultaneous transfer"},
1023 static const true_false_string isup_temporary_alternative_routing_ind_value = {
1024 /* according 3.68/Q.763 */
1025 "TAR controlled call",
1028 static const true_false_string isup_extension_ind_value = {
1029 /* according 3.68/Q.763 */
1031 "information continues through the next octet"
1034 static const value_string isup_call_to_be_diverted_ind_value[] = {
1035 /* according 3.72/Q.763 */
1036 { 0, "no indication"},
1037 { 1, "call diversion allowed"},
1038 { 2, "call diversion not allowed"},
1042 static const value_string isup_call_to_be_offered_ind_value[] = {
1043 /* according 3.72/Q.763 */
1044 { 0, "no indication"},
1045 { 1, "call offering not allowed"},
1046 { 2, "call offering allowed"},
1050 static const value_string isup_conference_acceptance_ind_value[] = {
1051 /* according 3.76/Q.763 */
1052 { 0, "no indication"},
1053 { 1, "accept conference request"},
1054 { 2, "reject conference request"},
1059 /* Generalized bit masks for 8 and 16 bits fields */
1060 #define A_8BIT_MASK 0x01
1061 #define B_8BIT_MASK 0x02
1062 #define C_8BIT_MASK 0x04
1063 #define D_8BIT_MASK 0x08
1064 #define E_8BIT_MASK 0x10
1065 #define F_8BIT_MASK 0x20
1066 #define G_8BIT_MASK 0x40
1067 #define H_8BIT_MASK 0x80
1069 #define BA_8BIT_MASK 0x03
1070 #define CB_8BIT_MASK 0x06
1071 #define DC_8BIT_MASK 0x0C
1072 #define FE_8BIT_MASK 0x30
1073 #define GFE_8BIT_MASK 0x70
1074 #define DCBA_8BIT_MASK 0x0F
1075 #define EDCBA_8BIT_MASK 0x1F
1076 #define HGFE_8BIT_MASK 0xF0
1077 #define GFEDCBA_8BIT_MASK 0x7F
1078 #define FEDCBA_8BIT_MASK 0x3F
1080 #define A_16BIT_MASK 0x0100
1081 #define B_16BIT_MASK 0x0200
1082 #define C_16BIT_MASK 0x0400
1083 #define D_16BIT_MASK 0x0800
1084 #define E_16BIT_MASK 0x1000
1085 #define F_16BIT_MASK 0x2000
1086 #define G_16BIT_MASK 0x4000
1087 #define H_16BIT_MASK 0x8000
1088 #define I_16BIT_MASK 0x0001
1089 #define J_16BIT_MASK 0x0002
1090 #define K_16BIT_MASK 0x0004
1091 #define L_16BIT_MASK 0x0008
1092 #define M_16BIT_MASK 0x0010
1093 #define N_16BIT_MASK 0x0020
1094 #define O_16BIT_MASK 0x0040
1095 #define P_16BIT_MASK 0x0080
1097 #define BA_16BIT_MASK 0x0300
1098 #define CB_16BIT_MASK 0x0600
1099 #define DC_16BIT_MASK 0x0C00
1100 #define FE_16BIT_MASK 0x3000
1101 #define HG_16BIT_MASK 0xC000
1102 #define KJ_16BIT_MASK 0x0006
1103 #define PO_16BIT_MASK 0x00C0
1105 #define CBA_16BIT_MASK 0x0700
1106 #define KJI_16BIT_MASK 0x0007
1107 #define HGFE_16BIT_MASK 0xF000
1108 #define PONM_16BIT_MASK 0x00F0
1110 /* Initialize the protocol and registered fields */
1111 static int proto_isup = -1;
1112 static int hf_isup_cic = -1;
1113 static int hf_isup_message_type = -1;
1114 static int hf_isup_parameter_type = -1;
1115 static int hf_isup_parameter_length = -1;
1116 static int hf_isup_mandatory_variable_parameter_pointer = -1;
1117 static int hf_isup_pointer_to_start_of_optional_part = -1;
1119 static int hf_isup_satellite_indicator = -1;
1120 static int hf_isup_continuity_check_indicator = -1;
1121 static int hf_isup_echo_control_device_indicator = -1;
1123 static int hf_isup_forw_call_natnl_inatnl_call_indicator = -1;
1124 static int hf_isup_forw_call_end_to_end_method_indicator = -1;
1125 static int hf_isup_forw_call_interworking_indicator = -1;
1126 static int hf_isup_forw_call_end_to_end_info_indicator = -1;
1127 static int hf_isup_forw_call_isdn_user_part_indicator = -1;
1128 static int hf_isup_forw_call_preferences_indicator = -1;
1129 static int hf_isup_forw_call_isdn_access_indicator = -1;
1130 static int hf_isup_forw_call_sccp_method_indicator = -1;
1132 static int hf_isup_calling_partys_category = -1;
1134 static int hf_isup_transmission_medium_requirement = -1;
1136 static int hf_isup_odd_even_indicator = -1;
1137 static int hf_isup_called_party_nature_of_address_indicator = -1;
1138 static int hf_isup_calling_party_nature_of_address_indicator = -1;
1139 static int hf_isup_inn_indicator = -1;
1140 static int hf_isup_ni_indicator = -1;
1141 static int hf_isup_numbering_plan_indicator = -1;
1142 static int hf_isup_address_presentation_restricted_indicator = -1;
1143 static int hf_isup_screening_indicator = -1;
1144 static int hf_isup_screening_indicator_enhanced = -1;
1145 static int hf_isup_called_party_odd_address_signal_digit = -1;
1146 static int hf_isup_calling_party_odd_address_signal_digit = -1;
1147 static int hf_isup_called_party_even_address_signal_digit = -1;
1148 static int hf_isup_calling_party_even_address_signal_digit = -1;
1150 static int hf_isup_calling_party_address_request_indicator = -1;
1151 static int hf_isup_info_req_holding_indicator = -1;
1152 static int hf_isup_calling_partys_category_request_indicator = -1;
1153 static int hf_isup_charge_information_request_indicator = -1;
1154 static int hf_isup_malicious_call_identification_request_indicator = -1;
1156 static int hf_isup_calling_party_address_response_indicator = -1;
1157 static int hf_isup_hold_provided_indicator = -1;
1158 static int hf_isup_calling_partys_category_response_indicator = -1;
1159 static int hf_isup_charge_information_response_indicator = -1;
1160 static int hf_isup_solicited_indicator = -1;
1162 static int hf_isup_continuity_indicator = -1;
1164 static int hf_isup_backw_call_charge_ind = -1 ;
1165 static int hf_isup_backw_call_called_partys_status_ind = -1;
1166 static int hf_isup_backw_call_called_partys_category_ind = -1;
1167 static int hf_isup_backw_call_end_to_end_method_ind = -1;
1168 static int hf_isup_backw_call_interworking_ind = -1;
1169 static int hf_isup_backw_call_end_to_end_info_ind = -1;
1170 static int hf_isup_backw_call_isdn_user_part_ind = -1;
1171 static int hf_isup_backw_call_holding_ind = -1;
1172 static int hf_isup_backw_call_isdn_access_ind = -1;
1173 static int hf_isup_backw_call_echo_control_device_ind = -1;
1174 static int hf_isup_backw_call_sccp_method_ind = -1;
1176 static int hf_isup_cause_indicator = -1;
1178 static int hf_isup_suspend_resume_indicator = -1;
1180 static int hf_isup_range_indicator = -1;
1181 static int hf_isup_cgs_message_type = -1;
1183 static int hf_isup_mtc_blocking_state1 = -1;
1184 static int hf_isup_mtc_blocking_state2 = -1;
1185 static int hf_isup_call_proc_state = -1;
1186 static int hf_isup_hw_blocking_state = -1;
1188 static int hf_isup_event_ind = -1;
1189 static int hf_isup_event_presentation_restricted_ind = -1;
1191 static int hf_isup_cug_call_ind = -1;
1192 static int hf_isup_simple_segmentation_ind = -1;
1193 static int hf_isup_connected_line_identity_request_ind = -1;
1195 static int hf_isup_redirecting_ind = -1;
1196 static int hf_isup_original_redirection_reason = -1;
1197 static int hf_isup_redirection_counter = -1;
1198 static int hf_isup_redirection_reason = -1;
1200 static int hf_isup_type_of_network_identification = -1;
1201 static int hf_isup_network_identification_plan = -1;
1203 static int hf_isup_map_type = -1;
1205 static int hf_isup_automatic_congestion_level = -1;
1207 static int hf_isup_inband_information_ind = -1;
1208 static int hf_isup_call_diversion_may_occur_ind = -1;
1209 static int hf_isup_mlpp_user_ind = -1;
1211 static int hf_isup_access_delivery_ind =- -1;
1213 static int hf_isup_transmission_medium_requirement_prime = -1;
1215 static int hf_isup_loop_prevention_response_ind = -1;
1217 static int hf_isup_temporary_alternative_routing_ind = -1;
1218 static int hf_isup_extension_ind = -1;
1220 static int hf_isup_call_to_be_diverted_ind = -1;
1222 static int hf_isup_call_to_be_offered_ind = -1;
1224 static int hf_isup_conference_acceptance_ind = -1;
1226 /* Initialize the subtree pointers */
1227 static gint ett_isup = -1;
1228 static gint ett_isup_parameter = -1;
1229 static gint ett_isup_address_digits = -1;
1230 static gint ett_isup_pass_along_message = -1;
1231 static gint ett_isup_circuit_state_ind = -1;
1234 /* ------------------------------------------------------------------
1235 Mapping number to ASCII-character
1236 ------------------------------------------------------------------ */
1237 char number_to_char(int number)
1240 return ((char) number + ASCII_NUMBER_DELTA);
1242 return ((char) number + ASCII_LETTER_DELTA);
1246 /* ------------------------------------------------------------------ */
1247 /* Dissectors for all used parameter types */
1248 /* ------------------------------------------------------------------ */
1249 /* argument tvbuff_t contains only parameter-specific length */
1250 /* length indicator is already dissected in dissect_isup_message() or */
1251 /* dissect_isup_optional_parameter() */
1252 /* ------------------------------------------------------------------ */
1254 /* ------------------------------------------------------------------
1255 Dissector Parameter nature of connection flags
1258 dissect_isup_nature_of_connection_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1260 guint8 nature_of_connection_ind;
1262 nature_of_connection_ind = tvb_get_guint8(parameter_tvb, 0);
1263 proto_tree_add_uint(parameter_tree, hf_isup_satellite_indicator, parameter_tvb, 0,NATURE_OF_CONNECTION_IND_LENGTH, nature_of_connection_ind);
1264 proto_tree_add_uint(parameter_tree, hf_isup_continuity_check_indicator, parameter_tvb, 0,NATURE_OF_CONNECTION_IND_LENGTH, nature_of_connection_ind);
1265 proto_tree_add_boolean(parameter_tree, hf_isup_echo_control_device_indicator, parameter_tvb, 0, NATURE_OF_CONNECTION_IND_LENGTH, nature_of_connection_ind);
1267 proto_item_set_text(parameter_item, "Nature of Connection Indicators: 0x%x", nature_of_connection_ind);
1270 /* ------------------------------------------------------------------
1271 Dissector Parameter Forward Call Indicators
1274 dissect_isup_forward_call_indicators_parameter(tvbuff_t *parameter_tvb,proto_tree *parameter_tree, proto_item *parameter_item)
1276 guint16 forward_call_ind;
1278 forward_call_ind = tvb_get_ntohs(parameter_tvb, 0);
1279 proto_tree_add_boolean(parameter_tree, hf_isup_forw_call_natnl_inatnl_call_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
1280 proto_tree_add_uint(parameter_tree, hf_isup_forw_call_end_to_end_method_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
1281 proto_tree_add_boolean(parameter_tree, hf_isup_forw_call_interworking_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
1282 proto_tree_add_boolean(parameter_tree, hf_isup_forw_call_end_to_end_info_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
1283 proto_tree_add_boolean(parameter_tree, hf_isup_forw_call_isdn_user_part_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
1284 proto_tree_add_uint(parameter_tree, hf_isup_forw_call_preferences_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
1285 proto_tree_add_boolean(parameter_tree, hf_isup_forw_call_isdn_access_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
1286 proto_tree_add_uint(parameter_tree, hf_isup_forw_call_sccp_method_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
1288 proto_item_set_text(parameter_item, "Forward Call Indicators: 0x%x", forward_call_ind );
1291 /* ------------------------------------------------------------------
1292 Dissector Parameter Calling Party's Category
1295 dissect_isup_calling_partys_category_parameter(tvbuff_t *parameter_tvb,proto_tree *parameter_tree, proto_item *parameter_item)
1297 guint8 calling_partys_category;
1299 calling_partys_category = tvb_get_guint8(parameter_tvb, 0);
1300 proto_tree_add_uint(parameter_tree, hf_isup_calling_partys_category, parameter_tvb, 0, CALLING_PRTYS_CATEGORY_LENGTH, calling_partys_category);
1302 proto_item_set_text(parameter_item, "Calling Party's category: 0x%x (%s)", calling_partys_category, val_to_str(calling_partys_category, isup_calling_partys_category_value, "reserved/spare"));
1306 /* ------------------------------------------------------------------
1307 Dissector Parameter Transmission medium requirement
1310 dissect_isup_transmission_medium_requirement_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1312 guint8 transmission_medium_requirement;
1314 transmission_medium_requirement = tvb_get_guint8(parameter_tvb, 0);
1315 proto_tree_add_uint(parameter_tree, hf_isup_transmission_medium_requirement, parameter_tvb, 0, TRANSMISSION_MEDIUM_REQUIREMENT_LENGTH,transmission_medium_requirement);
1317 proto_item_set_text(parameter_item, "Transmission medium requirement: %u (%s)", transmission_medium_requirement, val_to_str(transmission_medium_requirement, isup_transmission_medium_requirement_value, "spare"));
1319 /* ------------------------------------------------------------------
1320 Dissector Parameter Called party number
1323 dissect_isup_called_party_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1325 proto_item *address_digits_item;
1326 proto_tree *address_digits_tree;
1327 guint8 indicators1, indicators2;
1328 guint8 address_digit_pair=0;
1332 char called_number[MAXLENGTH]="";
1334 indicators1 = tvb_get_guint8(parameter_tvb, 0);
1335 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
1336 proto_tree_add_uint(parameter_tree, hf_isup_called_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
1337 indicators2 = tvb_get_guint8(parameter_tvb, 1);
1338 proto_tree_add_boolean(parameter_tree, hf_isup_inn_indicator, parameter_tvb, 1, 1, indicators2);
1339 proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
1342 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
1344 "Called Party Number");
1345 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
1347 length = tvb_length_remaining(parameter_tvb, offset);
1349 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
1350 proto_tree_add_uint(address_digits_tree, hf_isup_called_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1351 called_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
1352 if ((length - 1) > 0 ){
1353 proto_tree_add_uint(address_digits_tree, hf_isup_called_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1354 called_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1357 length = tvb_length_remaining(parameter_tvb, offset);
1360 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
1361 proto_tree_add_uint(address_digits_tree, hf_isup_called_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
1362 called_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1364 called_number[i++] = '\0';
1366 proto_item_set_text(address_digits_item, "Called Party Number: %s", called_number);
1367 proto_item_set_text(parameter_item, "Called Party Number: %s", called_number);
1370 /* ------------------------------------------------------------------
1371 Dissector Parameter Subsequent number
1374 dissect_isup_subsequent_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1376 proto_item *address_digits_item;
1377 proto_tree *address_digits_tree;
1379 guint8 address_digit_pair=0;
1383 char called_number[MAXLENGTH]="";
1385 indicators1 = tvb_get_guint8(parameter_tvb, 0);
1386 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
1389 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
1391 "Subsequent Number");
1392 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
1394 length = tvb_length_remaining(parameter_tvb, offset);
1396 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
1397 proto_tree_add_uint(address_digits_tree, hf_isup_called_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1398 called_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
1399 if ((length - 1) > 0 ){
1400 proto_tree_add_uint(address_digits_tree, hf_isup_called_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1401 called_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1404 length = tvb_length_remaining(parameter_tvb, offset);
1407 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
1408 proto_tree_add_uint(address_digits_tree, hf_isup_called_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
1409 called_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1411 called_number[i++] = '\0';
1413 proto_item_set_text(address_digits_item, "Subsequent Number: %s", called_number);
1414 proto_item_set_text(parameter_item, "Subsequent Number: %s", called_number);
1417 /* ------------------------------------------------------------------
1418 Dissector Parameter Information Request Indicators
1421 dissect_isup_information_request_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1423 guint16 information_request_indicators;
1425 information_request_indicators = tvb_get_ntohs(parameter_tvb, 0);
1426 proto_tree_add_boolean(parameter_tree, hf_isup_calling_party_address_request_indicator, parameter_tvb, 0, INFO_REQUEST_IND_LENGTH, information_request_indicators);
1427 proto_tree_add_boolean(parameter_tree, hf_isup_info_req_holding_indicator, parameter_tvb, 0, INFO_REQUEST_IND_LENGTH, information_request_indicators);
1428 proto_tree_add_boolean(parameter_tree, hf_isup_calling_partys_category_request_indicator, parameter_tvb, 0, INFO_REQUEST_IND_LENGTH, information_request_indicators);
1429 proto_tree_add_boolean(parameter_tree, hf_isup_charge_information_request_indicator, parameter_tvb, 0, INFO_REQUEST_IND_LENGTH, information_request_indicators);
1430 proto_tree_add_boolean(parameter_tree, hf_isup_malicious_call_identification_request_indicator, parameter_tvb, 0, INFO_REQUEST_IND_LENGTH, information_request_indicators);
1433 proto_item_set_text(parameter_item, "Information request indicators: 0x%x", information_request_indicators);
1435 /* ------------------------------------------------------------------
1436 Dissector Parameter Information Indicators
1439 dissect_isup_information_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1441 guint16 information_indicators;
1443 information_indicators = tvb_get_ntohs(parameter_tvb, 0);
1444 proto_tree_add_uint(parameter_tree, hf_isup_calling_party_address_response_indicator, parameter_tvb, 0, INFO_IND_LENGTH, information_indicators);
1445 proto_tree_add_boolean(parameter_tree, hf_isup_hold_provided_indicator, parameter_tvb, 0, INFO_IND_LENGTH, information_indicators);
1446 proto_tree_add_boolean(parameter_tree, hf_isup_calling_partys_category_response_indicator, parameter_tvb, 0, INFO_IND_LENGTH, information_indicators);
1447 proto_tree_add_boolean(parameter_tree, hf_isup_charge_information_response_indicator, parameter_tvb, 0, INFO_IND_LENGTH, information_indicators);
1448 proto_tree_add_boolean(parameter_tree, hf_isup_solicited_indicator, parameter_tvb, 0, INFO_IND_LENGTH, information_indicators);
1451 proto_item_set_text(parameter_item, "Information indicators: 0x%x", information_indicators);
1453 /* ------------------------------------------------------------------
1454 Dissector Parameter Continuity Indicators
1457 dissect_isup_continuity_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1459 guint8 continuity_indicators;
1461 continuity_indicators = tvb_get_guint8(parameter_tvb, 0);
1462 proto_tree_add_boolean(parameter_tree, hf_isup_continuity_indicator, parameter_tvb, 0, CONTINUITY_IND_LENGTH, continuity_indicators);
1464 proto_item_set_text(parameter_item, "Continuity indicators: 0x%x", continuity_indicators);
1466 /* ------------------------------------------------------------------
1467 Dissector Parameter Backward Call Indicators
1470 dissect_isup_backward_call_indicators_parameter(tvbuff_t *parameter_tvb,proto_tree *parameter_tree, proto_item *parameter_item)
1472 guint16 backward_call_ind;
1474 backward_call_ind = tvb_get_ntohs(parameter_tvb, 0);
1477 proto_tree_add_uint(parameter_tree, hf_isup_backw_call_charge_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
1478 proto_tree_add_uint(parameter_tree, hf_isup_backw_call_called_partys_status_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
1479 proto_tree_add_uint(parameter_tree, hf_isup_backw_call_called_partys_category_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
1480 proto_tree_add_uint(parameter_tree, hf_isup_backw_call_end_to_end_method_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
1481 proto_tree_add_boolean(parameter_tree, hf_isup_backw_call_interworking_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
1482 proto_tree_add_boolean(parameter_tree, hf_isup_backw_call_end_to_end_info_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
1483 proto_tree_add_boolean(parameter_tree, hf_isup_backw_call_isdn_user_part_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
1484 proto_tree_add_boolean(parameter_tree, hf_isup_backw_call_holding_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
1485 proto_tree_add_boolean(parameter_tree, hf_isup_backw_call_isdn_access_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
1486 proto_tree_add_boolean(parameter_tree, hf_isup_backw_call_echo_control_device_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
1487 proto_tree_add_uint(parameter_tree, hf_isup_backw_call_sccp_method_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
1489 proto_item_set_text(parameter_item, "Backward Call Indicators: 0x%x", backward_call_ind);
1491 /* ------------------------------------------------------------------
1492 Dissector Parameter Cause Indicators - no detailed dissection since defined in Rec. Q.850
1496 * Cause codes for Cause.
1497 * The decoding of cause indicators parameter field are defined in ITU-T
1498 * Recommendation Q.850; those are different from the ones in the Q.931
1499 * dissector, as that has some values not specified by the standard but
1500 * that appear to be used for purposes other than the ones in Q.850.
1502 static const value_string q850_cause_code_vals[] = {
1503 { 0x00, "Valid cause code not yet received" },
1504 { 0x01, "Unallocated (unassigned) number" },
1505 { 0x02, "No route to specified transit network" },
1506 { 0x03, "No route to destination" },
1507 { 0x04, "Send special information tone" },
1508 { 0x05, "Misdialled trunk prefix" },
1509 { 0x06, "Channel unacceptable" },
1510 { 0x07, "Call awarded and being delivered in an established channel" },
1511 { 0x08, "Preemption" },
1512 { 0x09, "Preemption - circuit reserved for reuse" },
1513 { 0x0E, "QoR: ported number" },
1514 { 0x10, "Normal call clearing" },
1515 { 0x11, "User busy" },
1516 { 0x12, "No user responding" },
1517 { 0x13, "No answer from user (user alerted)" },
1518 { 0x14, "Subscriber absent" },
1519 { 0x15, "Call rejected" },
1520 { 0x16, "Number changed" },
1521 { 0x17, "Redirection to new destination" },
1522 { 0x18, "Call rejected due to feature at the destination" },
1523 { 0x19, "Exchange routing error" },
1524 { 0x1A, "Non-selected user clearing" },
1525 { 0x1B, "Destination out of order" },
1526 { 0x1C, "Invalid number format (address incomplete)" },
1527 { 0x1D, "Facility rejected" },
1528 { 0x1E, "Response to STATUS ENQUIRY" },
1529 { 0x1F, "Normal unspecified" },
1530 { 0x21, "Circuit out of order" },
1531 { 0x22, "No circuit/channel available" },
1532 { 0x26, "Network out of order" },
1533 { 0x27, "Permanent frame mode connection out of service" },
1534 { 0x28, "Permanent frame mode connection operational" },
1535 { 0x29, "Temporary failure" },
1536 { 0x2A, "Switching equipment congestion" },
1537 { 0x2B, "Access information discarded" },
1538 { 0x2C, "Requested circuit/channel not available" },
1539 { 0x2E, "Precedence call blocked" },
1540 { 0x2F, "Resources unavailable, unspecified" },
1541 { 0x31, "Quality of service unavailable" },
1542 { 0x32, "Requested facility not subscribed" },
1543 { 0x35, "Outgoing calls barred within CUG" },
1544 { 0x37, "Incoming calls barred within CUG" },
1545 { 0x38, "Call waiting not subscribed" },
1546 { 0x39, "Bearer capability not authorized" },
1547 { 0x3A, "Bearer capability not presently available" },
1548 { 0x3E, "Inconsistency in designated outgoing access information and subscriber class" },
1549 { 0x3F, "Service or option not available, unspecified" },
1550 { 0x41, "Bearer capability not implemented" },
1551 { 0x42, "Channel type not implemented" },
1552 { 0x45, "Requested facility not implemented" },
1553 { 0x46, "Only restricted digital information bearer capability is available" },
1554 { 0x4F, "Service or option not implemented, unspecified" },
1555 { 0x51, "Invalid call reference value" },
1556 { 0x52, "Identified channel does not exist" },
1557 { 0x53, "Call identity does not exist for suspended call" },
1558 { 0x54, "Call identity in use" },
1559 { 0x55, "No call suspended" },
1560 { 0x56, "Call having the requested call identity has been cleared" },
1561 { 0x57, "Called user not member of CUG" },
1562 { 0x58, "Incompatible destination" },
1563 { 0x5A, "Non-existing CUG" },
1564 { 0x5B, "Invalid transit network selection (national use)" },
1565 { 0x5F, "Invalid message, unspecified" },
1566 { 0x60, "Mandatory information element is missing" },
1567 { 0x61, "Message type non-existent or not implemented" },
1568 { 0x62, "Message not compatible with call state or message type non-existent or not implemented" },
1569 { 0x63, "Information element nonexistant or not implemented" },
1570 { 0x64, "Invalid information element contents" },
1571 { 0x65, "Message not compatible with call state" },
1572 { 0x66, "Recovery on timer expiry" },
1573 { 0x67, "Parameter non-existent or not implemented - passed on" },
1574 { 0x6E, "Message with unrecognized parameter discarded" },
1575 { 0x6F, "Protocol error, unspecified" },
1576 { 0x7F, "Internetworking, unspecified" },
1581 dissect_isup_cause_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1582 { guint length = tvb_length(parameter_tvb);
1583 proto_tree_add_text(parameter_tree, parameter_tvb,0, length, "Cause indicators (-> Q.850)");
1584 dissect_q931_cause_ie(parameter_tvb,0,length,
1586 hf_isup_cause_indicator);
1587 proto_item_set_text(parameter_item, "Cause indicators, see Q.850 (%u byte%s length)", length , plurality(length, "", "s"));
1590 /* ------------------------------------------------------------------
1591 Dissector Parameter Suspend/Resume Indicators
1594 dissect_isup_suspend_resume_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1598 indicators = tvb_get_guint8(parameter_tvb, 0);
1599 proto_tree_add_boolean(parameter_tree, hf_isup_suspend_resume_indicator, parameter_tvb, 0, SUSPEND_RESUME_IND_LENGTH, indicators);
1601 proto_item_set_text(parameter_item, "Suspend/Resume indicator: 0x%x", indicators);
1603 /* ------------------------------------------------------------------
1604 Dissector Parameter Range and Status Indicators
1607 dissect_isup_range_and_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1609 guint8 range, actual_status_length;
1611 range = tvb_get_guint8(parameter_tvb, 0);
1612 proto_tree_add_uint_format(parameter_tree, hf_isup_range_indicator, parameter_tvb, 0, RANGE_LENGTH, range, "Range: %u", range);
1613 actual_status_length = tvb_length_remaining(parameter_tvb, RANGE_LENGTH);
1614 if (actual_status_length > 0)
1615 proto_tree_add_text(parameter_tree, parameter_tvb , RANGE_LENGTH, actual_status_length, "Status subfield");
1617 proto_tree_add_text(parameter_tree, parameter_tvb , 0, 0, "Status subfield is not present with this message type");
1620 proto_item_set_text(parameter_item, "Range (%u) and status", range);
1622 /* ------------------------------------------------------------------
1623 Dissector Parameter Circuit group supervision message type
1626 dissect_isup_circuit_group_supervision_message_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1628 guint8 cgs_message_type;
1630 cgs_message_type = tvb_get_guint8(parameter_tvb, 0);
1631 proto_tree_add_uint(parameter_tree, hf_isup_cgs_message_type, parameter_tvb, 0, CIRC_GRP_SV_MSG_TYPE_LENGTH, cgs_message_type);
1633 proto_item_set_text(parameter_item, "Circuit group supervision message type: %s (%u)" ,val_to_str(cgs_message_type, isup_cgs_message_type_value,"unknown"), cgs_message_type);
1635 /* ------------------------------------------------------------------
1636 Dissector Parameter Facility indicator parameter
1639 dissect_isup_facility_ind_parameter(tvbuff_t *parameter_tvb, proto_item *parameter_item)
1643 indicator = tvb_get_guint8(parameter_tvb, 0);
1645 proto_item_set_text(parameter_item, "Facility indicator: %s (%u)" ,val_to_str(indicator, isup_facility_ind_value,"spare"), indicator);
1647 /* ------------------------------------------------------------------
1648 Dissector Parameter Circuit state indicator
1651 dissect_isup_circuit_state_ind_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1653 proto_item *circuit_state_item;
1654 proto_tree *circuit_state_tree;
1655 guint8 circuit_state;
1660 length = tvb_length_remaining(parameter_tvb, offset);
1662 circuit_state_item = proto_tree_add_text(parameter_tree, parameter_tvb,
1664 tvb_length_remaining(parameter_tvb, offset),
1665 "Circuit# CIC+%u state", i);
1666 circuit_state_tree = proto_item_add_subtree(circuit_state_item, ett_isup_circuit_state_ind);
1667 circuit_state = tvb_get_guint8(parameter_tvb, offset);
1668 if ((circuit_state & DC_8BIT_MASK) == 0){
1669 proto_tree_add_uint(circuit_state_tree, hf_isup_mtc_blocking_state1, parameter_tvb, offset, 1, circuit_state);
1670 proto_item_set_text(circuit_state_item, "Circuit# CIC+%u state: %s", i++, val_to_str(circuit_state&BA_8BIT_MASK, isup_mtc_blocking_state_DC00_value, "unknown"));
1673 proto_tree_add_uint(circuit_state_tree, hf_isup_mtc_blocking_state2, parameter_tvb, offset, 1, circuit_state);
1674 proto_tree_add_uint(circuit_state_tree, hf_isup_call_proc_state, parameter_tvb, offset, 1, circuit_state);
1675 proto_tree_add_uint(circuit_state_tree, hf_isup_hw_blocking_state, parameter_tvb, offset, 1, circuit_state);
1676 proto_item_set_text(circuit_state_item, "Circuit# CIC+%u state: %s", i++, val_to_str(circuit_state&BA_8BIT_MASK, isup_mtc_blocking_state_DCnot00_value, "unknown"));
1679 length = tvb_length_remaining(parameter_tvb, offset);
1681 proto_item_set_text(parameter_item, "Circuit state indicator (national use)");
1683 /* ------------------------------------------------------------------
1684 Dissector Parameter Event information
1687 dissect_isup_event_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1691 indicators = tvb_get_guint8(parameter_tvb, 0);
1692 proto_tree_add_uint_format(parameter_tree, hf_isup_event_ind, parameter_tvb, 0, EVENT_INFO_LENGTH, indicators, "Event indicator: %s (%u)", val_to_str(indicators & GFEDCBA_8BIT_MASK, isup_event_ind_value, "spare"), indicators & GFEDCBA_8BIT_MASK);
1693 proto_tree_add_boolean(parameter_tree, hf_isup_event_presentation_restricted_ind, parameter_tvb, 0, EVENT_INFO_LENGTH, indicators);
1695 proto_item_set_text(parameter_item,"Event information: %s (%u)", val_to_str(indicators & GFEDCBA_8BIT_MASK, isup_event_ind_value, "spare"),indicators );
1697 /* ------------------------------------------------------------------
1698 Dissector Parameter User-to-user information- no detailed dissection since defined in Rec. Q.931
1701 dissect_isup_user_to_user_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1702 { guint length = tvb_length(parameter_tvb);
1703 proto_tree_add_text(parameter_tree, parameter_tvb, 0, length, "User-to-user info (-> Q.931)");
1704 dissect_q931_user_user_ie(parameter_tvb, 0, length,
1706 proto_item_set_text(parameter_item, "User-to-user information, see Q.931 (%u byte%s length)", length , plurality(length, "", "s"));
1708 /* ------------------------------------------------------------------
1709 Dissector Parameter Call Reference
1712 dissect_isup_call_reference_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1717 call_id = tvb_get_ntoh24(parameter_tvb, 0);
1718 spc = tvb_get_letohs(parameter_tvb, CALL_ID_LENGTH) & 0x3FFF; /*since 1st 2 bits spare */
1719 proto_tree_add_text(parameter_tree, parameter_tvb, 0, CALL_ID_LENGTH, "Call identity: %u", call_id);
1720 proto_tree_add_text(parameter_tree, parameter_tvb, CALL_ID_LENGTH, SPC_LENGTH, "Signalling Point Code: %u", spc);
1722 proto_item_set_text(parameter_item, "Call Reference: Call ID = %u, SPC = %u", call_id, spc);
1724 /* ------------------------------------------------------------------
1725 Dissector Parameter Access Transport - no detailed dissection since defined in Rec. Q.931
1728 dissect_isup_access_transport_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1729 { guint length = tvb_length(parameter_tvb);
1730 proto_tree_add_text(parameter_tree, parameter_tvb, 0, length, "Access transport parameter field (-> Q.931)");
1731 proto_item_set_text(parameter_item, "Access transport, see Q.931 (%u byte%s length)", length , plurality(length, "", "s"));
1733 /* ------------------------------------------------------------------
1734 Dissector Parameter Optional Forward Call indicators
1737 dissect_isup_optional_forward_call_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1741 indicators = tvb_get_guint8(parameter_tvb, 0);
1742 proto_tree_add_uint(parameter_tree, hf_isup_cug_call_ind, parameter_tvb, 0, OPTIONAL_FORWARD_CALL_IND_LENGTH, indicators);
1743 proto_tree_add_boolean(parameter_tree, hf_isup_simple_segmentation_ind, parameter_tvb, 0, OPTIONAL_FORWARD_CALL_IND_LENGTH, indicators);
1744 proto_tree_add_boolean(parameter_tree, hf_isup_connected_line_identity_request_ind, parameter_tvb, 0, OPTIONAL_FORWARD_CALL_IND_LENGTH, indicators);
1747 proto_item_set_text(parameter_item,"Optional forward call indicators: %s (%u)", val_to_str(indicators & BA_8BIT_MASK, isup_CUG_call_ind_value, "spare"),indicators );
1749 /* ------------------------------------------------------------------
1750 Dissector Parameter calling party number
1753 dissect_isup_calling_party_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1755 proto_item *address_digits_item;
1756 proto_tree *address_digits_tree;
1757 guint8 indicators1, indicators2;
1758 guint8 address_digit_pair=0;
1762 char calling_number[MAXLENGTH]="";
1764 indicators1 = tvb_get_guint8(parameter_tvb, 0);
1765 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
1766 proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
1767 indicators2 = tvb_get_guint8(parameter_tvb, 1);
1768 proto_tree_add_boolean(parameter_tree, hf_isup_ni_indicator, parameter_tvb, 1, 1, indicators2);
1769 proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
1770 proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 1, 1, indicators2);
1771 proto_tree_add_uint(parameter_tree, hf_isup_screening_indicator, parameter_tvb, 1, 1, indicators2);
1774 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
1776 "Calling Party Number");
1777 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
1779 length = tvb_length_remaining(parameter_tvb, offset);
1781 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
1782 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1783 calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
1784 if ((length - 1) > 0 ){
1785 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1786 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1789 length = tvb_length_remaining(parameter_tvb, offset);
1792 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
1793 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
1794 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1796 calling_number[i++] = '\0';
1798 proto_item_set_text(address_digits_item, "Calling Party Number: %s", calling_number);
1799 proto_item_set_text(parameter_item, "Calling Party Number: %s", calling_number);
1802 /* ------------------------------------------------------------------
1803 Dissector Parameter Original called number
1806 dissect_isup_original_called_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1808 proto_item *address_digits_item;
1809 proto_tree *address_digits_tree;
1810 guint8 indicators1, indicators2;
1811 guint8 address_digit_pair=0;
1815 char calling_number[MAXLENGTH]="";
1817 indicators1 = tvb_get_guint8(parameter_tvb, 0);
1818 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
1819 proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
1820 indicators2 = tvb_get_guint8(parameter_tvb, 1);
1821 proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
1822 proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 1, 1, indicators2);
1825 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
1827 "Original Called Number");
1828 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
1830 length = tvb_length_remaining(parameter_tvb, offset);
1832 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
1833 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1834 calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
1835 if ((length - 1) > 0 ){
1836 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1837 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1840 length = tvb_length_remaining(parameter_tvb, offset);
1843 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
1844 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
1845 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1847 calling_number[i++] = '\0';
1849 proto_item_set_text(address_digits_item, "Original Called Number: %s", calling_number);
1850 proto_item_set_text(parameter_item, "Original Called Number: %s", calling_number);
1853 /* ------------------------------------------------------------------
1854 Dissector Parameter Redirecting number
1857 dissect_isup_redirecting_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1859 proto_item *address_digits_item;
1860 proto_tree *address_digits_tree;
1861 guint8 indicators1, indicators2;
1862 guint8 address_digit_pair=0;
1866 char calling_number[MAXLENGTH]="";
1868 indicators1 = tvb_get_guint8(parameter_tvb, 0);
1869 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
1870 proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
1871 indicators2 = tvb_get_guint8(parameter_tvb, 1);
1872 proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
1873 proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 1, 1, indicators2);
1876 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
1878 "Redirecting Number");
1879 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
1881 length = tvb_length_remaining(parameter_tvb, offset);
1883 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
1884 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1885 calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
1886 if ((length - 1) > 0 ){
1887 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1888 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1891 length = tvb_length_remaining(parameter_tvb, offset);
1894 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
1895 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
1896 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1898 calling_number[i++] = '\0';
1900 proto_item_set_text(address_digits_item, "Redirecting Number: %s", calling_number);
1901 proto_item_set_text(parameter_item, "Redirecting Number: %s", calling_number);
1904 /* ------------------------------------------------------------------
1905 Dissector Parameter Redirection number
1908 dissect_isup_redirection_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1910 proto_item *address_digits_item;
1911 proto_tree *address_digits_tree;
1912 guint8 indicators1, indicators2;
1913 guint8 address_digit_pair=0;
1917 char called_number[MAXLENGTH]="";
1919 indicators1 = tvb_get_guint8(parameter_tvb, 0);
1920 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
1921 proto_tree_add_uint(parameter_tree, hf_isup_called_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
1922 indicators2 = tvb_get_guint8(parameter_tvb, 1);
1923 proto_tree_add_boolean(parameter_tree, hf_isup_inn_indicator, parameter_tvb, 1, 1, indicators2);
1924 proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
1927 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
1929 "Redirection Number");
1930 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
1932 length = tvb_length_remaining(parameter_tvb, offset);
1934 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
1935 proto_tree_add_uint(address_digits_tree, hf_isup_called_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1936 called_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
1937 if ((length - 1) > 0 ){
1938 proto_tree_add_uint(address_digits_tree, hf_isup_called_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1939 called_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1942 length = tvb_length_remaining(parameter_tvb, offset);
1945 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
1946 proto_tree_add_uint(address_digits_tree, hf_isup_called_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
1947 called_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1949 called_number[i++] = '\0';
1951 proto_item_set_text(address_digits_item, "Redirection Number: %s", called_number);
1952 proto_item_set_text(parameter_item, "Redirection Number: %s", called_number);
1954 /* ------------------------------------------------------------------
1955 Dissector Parameter Connection request
1958 dissect_isup_connection_request_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1962 guint8 protocol_class, credit, offset=0;
1964 local_ref = tvb_get_ntoh24(parameter_tvb, 0);
1965 proto_tree_add_text(parameter_tree, parameter_tvb, offset, LOCAL_REF_LENGTH, "Local Reference: %u", local_ref);
1966 offset = LOCAL_REF_LENGTH;
1967 spc = tvb_get_letohs(parameter_tvb,offset) & 0x3FFF; /*since 1st 2 bits spare */
1968 proto_tree_add_text(parameter_tree, parameter_tvb, offset, SPC_LENGTH, "Signalling Point Code: %u", spc);
1969 offset += SPC_LENGTH;
1970 protocol_class = tvb_get_guint8(parameter_tvb, offset);
1971 proto_tree_add_text(parameter_tree, parameter_tvb, offset, PROTOCOL_CLASS_LENGTH, "Protocol Class: %u", protocol_class);
1972 offset += PROTOCOL_CLASS_LENGTH;
1973 credit = tvb_get_guint8(parameter_tvb, offset);
1974 proto_tree_add_text(parameter_tree, parameter_tvb, offset, CREDIT_LENGTH, "Credit: %u", credit);
1975 offset += CREDIT_LENGTH;
1977 proto_item_set_text(parameter_item, "Connection request: Local Reference = %u, SPC = %u, Protocol Class = %u, Credit = %u", local_ref, spc, protocol_class, credit);
1979 /* ------------------------------------------------------------------
1980 Dissector Parameter Redirection information
1983 dissect_isup_redirection_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1985 if (tvb_length(parameter_tvb) == 2){
1987 indicators = tvb_get_ntohs(parameter_tvb, 0);
1988 proto_tree_add_uint(parameter_tree, hf_isup_redirecting_ind, parameter_tvb,0 , REDIRECTION_INFO_LENGTH, indicators);
1989 proto_tree_add_uint(parameter_tree, hf_isup_original_redirection_reason, parameter_tvb,0 , REDIRECTION_INFO_LENGTH, indicators);
1990 proto_tree_add_uint(parameter_tree, hf_isup_redirection_counter, parameter_tvb,0 , REDIRECTION_INFO_LENGTH, indicators);
1991 proto_tree_add_uint(parameter_tree, hf_isup_redirection_reason, parameter_tvb,0 , REDIRECTION_INFO_LENGTH, indicators);
1992 proto_item_set_text(parameter_item, "Redirection Information");
1994 else { /* ISUP'88 (blue book) */
1996 indicators = tvb_get_guint8(parameter_tvb, 0) * 0x100; /*since 2nd octet isn't present*/
1997 proto_tree_add_uint(parameter_tree, hf_isup_redirecting_ind, parameter_tvb, 0, 1, indicators);
1998 proto_tree_add_uint(parameter_tree, hf_isup_original_redirection_reason, parameter_tvb,0 , 1, indicators);
1999 proto_item_set_text(parameter_item, "Redirection Information (2nd octet not present since ISUP '88)");
2002 /* ------------------------------------------------------------------
2003 Dissector Parameter Closed user group interlock code
2006 dissect_isup_closed_user_group_interlock_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2008 char NI_digits[5]="";
2012 digit_pair = tvb_get_guint8(parameter_tvb, 0);
2013 NI_digits[0] = number_to_char((digit_pair & HGFE_8BIT_MASK) / 0x10);
2014 NI_digits[1] = number_to_char(digit_pair & DCBA_8BIT_MASK);
2015 digit_pair = tvb_get_guint8(parameter_tvb, 1);
2016 NI_digits[2] = number_to_char((digit_pair & HGFE_8BIT_MASK) / 0x10);
2017 NI_digits[3] = number_to_char(digit_pair & DCBA_8BIT_MASK);
2018 NI_digits[4] = '\0';
2019 proto_tree_add_text(parameter_tree, parameter_tvb, 0, 2, "Network Identity: %s", NI_digits);
2020 bin_code = tvb_get_ntohs(parameter_tvb, 2);
2021 proto_tree_add_text(parameter_tree, parameter_tvb, 3, 2, "Binary Code: 0x%x", bin_code);
2022 proto_item_set_text(parameter_item, "Closed user group interlock code: NI = %s, Binary code = 0x%x", NI_digits, bin_code);
2024 /* ------------------------------------------------------------------
2025 Dissector Parameter User service information- no detailed dissection since defined in Rec. Q.931
2028 dissect_isup_user_service_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2029 { guint length = tvb_length(parameter_tvb);
2030 proto_tree_add_text(parameter_tree, parameter_tvb, 0, length, "User service information (-> Q.931 Bearer_capability)");
2031 proto_item_set_text(parameter_item, "User service information, see Q.931 (%u byte%s length)", length , plurality(length, "", "s"));
2032 dissect_q931_bearer_capability_ie(parameter_tvb,
2036 /* ------------------------------------------------------------------
2037 Dissector Parameter Signalling point code
2040 dissect_isup_signalling_point_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2044 spc = tvb_get_letohs(parameter_tvb, 0) & 0x3FFF; /*since 1st 2 bits spare */
2045 proto_tree_add_text(parameter_tree, parameter_tvb, 0, SIGNALLING_POINT_CODE_LENGTH, "Signalling Point Code: %u", spc);
2047 proto_item_set_text(parameter_item, "Signalling point code: %u", spc);
2049 /* ------------------------------------------------------------------
2050 Dissector Parameter Connected number
2053 dissect_isup_connected_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2055 proto_item *address_digits_item;
2056 proto_tree *address_digits_tree;
2057 guint8 indicators1, indicators2;
2058 guint8 address_digit_pair=0;
2062 char calling_number[MAXLENGTH]="";
2064 indicators1 = tvb_get_guint8(parameter_tvb, 0);
2065 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
2066 proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
2067 indicators2 = tvb_get_guint8(parameter_tvb, 1);
2068 proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
2069 proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 1, 1, indicators2);
2070 proto_tree_add_uint(parameter_tree, hf_isup_screening_indicator, parameter_tvb, 1, 1, indicators2);
2073 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
2075 "Connected Number");
2076 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
2078 length = tvb_length_remaining(parameter_tvb, offset);
2080 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
2081 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
2082 calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
2083 if ((length - 1) > 0 ){
2084 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
2085 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
2088 length = tvb_length_remaining(parameter_tvb, offset);
2091 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
2092 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
2093 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
2095 calling_number[i++] = '\0';
2097 proto_item_set_text(address_digits_item, "Connected Number: %s", calling_number);
2098 proto_item_set_text(parameter_item, "Connected Number: %s", calling_number);
2101 /* ------------------------------------------------------------------
2102 Dissector Transit network selection
2105 dissect_isup_transit_network_selection_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2107 proto_item *address_digits_item;
2108 proto_tree *address_digits_tree;
2110 guint8 address_digit_pair=0;
2114 char network_id[MAXLENGTH]="";
2116 indicators = tvb_get_guint8(parameter_tvb, 0);
2117 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators);
2118 proto_tree_add_uint(parameter_tree, hf_isup_type_of_network_identification, parameter_tvb, 0, 1, indicators);
2119 proto_tree_add_uint(parameter_tree, hf_isup_network_identification_plan, parameter_tvb, 0, 1, indicators);
2122 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
2124 "Network identification");
2125 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
2127 length = tvb_length_remaining(parameter_tvb, offset);
2129 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
2130 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
2131 network_id[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
2132 if ((length - 1) > 0 ){
2133 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
2134 network_id[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
2137 length = tvb_length_remaining(parameter_tvb, offset);
2140 if (((indicators & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
2141 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
2142 network_id[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
2144 network_id[i++] = '\0';
2146 proto_item_set_text(address_digits_item, "Network identification: %s", network_id);
2147 proto_item_set_text(parameter_item, "Transit network selection: %s", network_id);
2150 /* ------------------------------------------------------------------
2151 Dissector Parameter Circuit assignment map
2154 dissect_isup_circuit_assignment_map_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2157 map_type = tvb_get_guint8(parameter_tvb, 0);
2158 proto_tree_add_uint(parameter_tree, hf_isup_map_type, parameter_tvb, 0, 1, map_type);
2159 proto_tree_add_text(parameter_tree, parameter_tvb, 1, 5, "Circuit assignment map (bit position indicates usage of corresponding circuit->3.69/Q.763)");
2160 proto_item_set_text(parameter_item, "Circuit assignment map");
2162 /* ------------------------------------------------------------------
2163 Dissector Parameter Automatic congestion level
2166 dissect_isup_automatic_congestion_level_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2167 { guint8 congestion_level;
2169 congestion_level = tvb_get_guint8(parameter_tvb, 0);
2170 proto_tree_add_uint(parameter_tree, hf_isup_automatic_congestion_level, parameter_tvb, 0, AUTO_CONGEST_LEVEL_LENGTH, congestion_level);
2171 proto_item_set_text(parameter_item, "Automatic congestion level: %s (%u)", val_to_str(congestion_level, isup_auto_congestion_level_value, "spare"), congestion_level);
2173 /* ------------------------------------------------------------------
2174 Dissector Parameter Optional backward Call indicators
2177 dissect_isup_optional_backward_call_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2181 indicators = tvb_get_guint8(parameter_tvb, 0);
2182 proto_tree_add_boolean(parameter_tree, hf_isup_inband_information_ind, parameter_tvb, 0, OPTIONAL_BACKWARD_CALL_IND_LENGTH, indicators);
2183 proto_tree_add_boolean(parameter_tree, hf_isup_call_diversion_may_occur_ind, parameter_tvb, 0, OPTIONAL_BACKWARD_CALL_IND_LENGTH, indicators);
2184 proto_tree_add_boolean(parameter_tree, hf_isup_simple_segmentation_ind, parameter_tvb, 0, OPTIONAL_BACKWARD_CALL_IND_LENGTH, indicators);
2185 proto_tree_add_boolean(parameter_tree, hf_isup_mlpp_user_ind, parameter_tvb, 0, OPTIONAL_BACKWARD_CALL_IND_LENGTH, indicators);
2188 proto_item_set_text(parameter_item,"Optional backward call indicators: 0x%x", indicators );
2190 /* ------------------------------------------------------------------
2191 Dissector Parameter User-to-user indicators
2194 dissect_isup_user_to_user_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2198 indicators = tvb_get_guint8(parameter_tvb, 0);
2199 proto_tree_add_text(parameter_tree, parameter_tvb, 0, USER_TO_USER_IND_LENGTH, "User-to-user indicators: 0x%x (refer to 3.60/Q.763 for detailed decoding)", indicators );
2200 proto_item_set_text(parameter_item,"User-to-user indicators: 0x%x", indicators );
2202 /* ------------------------------------------------------------------
2203 Dissector Parameter Original ISC point code
2206 dissect_isup_original_isc_point_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2210 spc = tvb_get_letohs(parameter_tvb, 0) & 0x3FFF; /*since 1st 2 bits spare */
2211 proto_tree_add_text(parameter_tree, parameter_tvb, 0, ORIGINAL_ISC_POINT_CODE_LENGTH, "Origination ISC Point Code: %u", spc);
2213 proto_item_set_text(parameter_item, "Origination ISC point code: %u", spc);
2215 /* ------------------------------------------------------------------
2216 Dissector Parameter Generic notification indicator
2219 dissect_isup_generic_notification_indicator_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2223 indicators = tvb_get_guint8(parameter_tvb, 0);
2224 proto_tree_add_text(parameter_tree, parameter_tvb, 0, GENERIC_NOTIFICATION_IND_LENGTH, "Generic notification indicator: 0x%x (refer to 3.25/Q.763 for detailed decoding)", indicators );
2225 proto_item_set_text(parameter_item,"Generic notification indicator: 0x%x", indicators );
2227 /* ------------------------------------------------------------------
2228 Dissector Parameter Call history information
2231 dissect_isup_call_history_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2235 info = tvb_get_ntohs(parameter_tvb, 0);
2236 proto_tree_add_text(parameter_tree, parameter_tvb, 0, CALL_HISTORY_INFO_LENGTH, "Call history info: propagation delay = %u ms", info);
2237 proto_item_set_text(parameter_item,"Call history info: propagation delay = %u ms", info);
2239 /* ------------------------------------------------------------------
2240 Dissector Parameter Access delivery information
2243 dissect_isup_access_delivery_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2246 indicator = tvb_get_guint8(parameter_tvb, 0);
2247 proto_tree_add_boolean(parameter_tree, hf_isup_access_delivery_ind, parameter_tvb, 0, ACCESS_DELIVERY_INFO_LENGTH, indicator);
2248 proto_item_set_text(parameter_item, "Access delivery information: 0x%x", indicator);
2250 /* ------------------------------------------------------------------
2251 Dissector Parameter Network specific facility
2254 dissect_isup_network_specific_facility_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2255 { guint length = tvb_length(parameter_tvb);
2256 proto_tree_add_text(parameter_tree, parameter_tvb, 0, length, "Network specific facility (refer to 3.36/Q.763 for detailed decoding)");
2257 proto_item_set_text(parameter_item, "Network specific facility (%u byte%s length)", length , plurality(length, "", "s"));
2259 /* ------------------------------------------------------------------
2260 Dissector Parameter User service information prime
2263 dissect_isup_user_service_information_prime_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2264 { guint length = tvb_length(parameter_tvb);
2265 proto_tree_add_text(parameter_tree, parameter_tvb, 0, length, "User service information prime (-> Q.931)");
2266 proto_item_set_text(parameter_item, "User service information prime, see Q.931 (%u byte%s length)", length , plurality(length, "", "s"));
2268 /* ------------------------------------------------------------------
2269 Dissector Parameter Propagation delay counter
2272 dissect_isup_propagation_delay_counter_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2276 info = tvb_get_ntohs(parameter_tvb, 0);
2277 proto_tree_add_text(parameter_tree, parameter_tvb, 0, PROPAGATION_DELAY_COUNT_LENGTH, "Propagation delay counter = %u ms", info);
2278 proto_item_set_text(parameter_item,"Propagation delay counter = %u ms", info);
2280 /* ------------------------------------------------------------------
2281 Dissector Parameter Remote operations
2284 dissect_isup_remote_operations_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2285 { guint length = tvb_length(parameter_tvb);
2286 proto_tree_add_text(parameter_tree, parameter_tvb, 0, length, "Remote operations");
2287 proto_item_set_text(parameter_item, "Remote operations (%u byte%s length)", length , plurality(length, "", "s"));
2289 /* ------------------------------------------------------------------
2290 Dissector Parameter Service activation
2293 dissect_isup_service_activation_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2296 guint8 feature_code;
2297 guint length = tvb_length(parameter_tvb);
2298 for (i=0; i< length; i++){
2299 feature_code = tvb_get_guint8(parameter_tvb, i);
2300 proto_tree_add_text(parameter_tree, parameter_tvb, i, 1, "Feature Code %u: %u", i+1, feature_code);
2302 proto_item_set_text(parameter_item, "Service Activation (%u byte%s length)", length , plurality(length, "", "s"));
2304 /* ------------------------------------------------------------------
2305 Dissector Parameter User service information prime - no detailed dissection since defined in Rec. Q.931
2308 dissect_isup_user_teleservice_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2310 proto_tree_add_text(parameter_tree, parameter_tvb, 0, USER_TELESERVICE_INFO_LENGTH, "User teleservice information (-> Q.931)");
2311 proto_item_set_text(parameter_item, "User teleservice information, see Q.931");
2313 /* ------------------------------------------------------------------
2314 Dissector Parameter Transmission medium requirement used
2317 dissect_isup_transmission_medium_used_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2319 guint8 transmission_medium_requirement;
2321 transmission_medium_requirement = tvb_get_guint8(parameter_tvb, 0);
2322 proto_tree_add_uint(parameter_tree, hf_isup_transmission_medium_requirement_prime, parameter_tvb, 0, TRANSMISSION_MEDIUM_RQMT_PRIME_LENGTH,transmission_medium_requirement);
2324 proto_item_set_text(parameter_item, "Transmission medium used: %u (%s)", transmission_medium_requirement, val_to_str(transmission_medium_requirement, isup_transmission_medium_requirement_prime_value, "spare/reserved"));
2326 /* ------------------------------------------------------------------
2327 Dissector Parameter Call diversion information
2330 dissect_isup_call_diversion_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2333 indicator = tvb_get_guint8(parameter_tvb, 0);
2334 proto_tree_add_text(parameter_tree, parameter_tvb, 0, CALL_DIV_INFO_LENGTH, "Call diversion information: 0x%x (refer to 3.6/Q.763 for detailed decoding)", indicator);
2335 proto_item_set_text(parameter_item, "Call diversion information: 0x%x", indicator);
2337 /* ------------------------------------------------------------------
2338 Dissector Parameter Echo control information
2341 dissect_isup_echo_control_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2344 indicator = tvb_get_guint8(parameter_tvb, 0);
2345 proto_tree_add_text(parameter_tree, parameter_tvb, 0, ECHO_CONTROL_INFO_LENGTH, "Echo control information: 0x%x (refer to 3.19/Q.763 for detailed decoding)", indicator);
2346 proto_item_set_text(parameter_item, "Echo control information: 0x%x", indicator);
2348 /* ------------------------------------------------------------------
2349 Dissector Parameter Message compatibility information
2352 dissect_isup_message_compatibility_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2353 { guint length = tvb_length(parameter_tvb);
2354 proto_tree_add_text(parameter_tree, parameter_tvb, 0, length, "Message compatibility information (refer to 3.33/Q.763 for detailed decoding)");
2355 proto_item_set_text(parameter_item, "Message compatibility information (%u byte%s length)", length , plurality(length, "", "s"));
2357 /* ------------------------------------------------------------------
2358 Dissector Parameter compatibility information
2360 static const value_string ISUP_transit_at_intermediate_exchange_indicator_vals[] = {
2361 { 0x00, "Transit interpretation" },
2362 { 0x01, "End node interpretation" },
2365 static const value_string ISUP_Release_call_indicator_vals[] = {
2366 { 0x00, "Do not release call" },
2367 { 0x02, "Release call" },
2370 static const value_string ISUP_Send_notification_indicator_vals[] = {
2371 { 0x00, "Do not send notification" },
2372 { 0x04, "Send notification" },
2376 static const value_string ISUP_Discard_message_indicator_vals[] = {
2377 { 0x00, "Do not discard message (pass on)" },
2378 { 0x08, "Discard message" },
2381 static const value_string ISUP_Discard_parameter_indicator_vals[] = {
2382 { 0x00, "Do not discard parameter (pass on)" },
2383 { 0x10, "Discard parameter" },
2386 static const value_string ISUP_Pass_on_not_possible_indicator_vals[] = {
2387 { 0x00, "Release call" },
2388 { 0x20, "Discard message" },
2389 { 0x40, "Discard parameter" },
2390 { 0x60, "Reserved (interpreted as 00)" },
2393 static const value_string ISUP_Broadband_narrowband_interworking_indicator_vals[] = {
2394 { 0x00, "Pass on" },
2395 { 0x01, "Discard message" },
2396 { 0x02, "Release call" },
2397 { 0x03, "Discard parameter" },
2401 dissect_isup_parameter_compatibility_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2403 guint length = tvb_length(parameter_tvb);
2405 guint8 upgraded_parameter;
2407 guint8 instruction_indicators;
2410 proto_item_set_text(parameter_item, "Parameter compatibility information (%u byte%s length)", length , plurality(length, "", "s"));
2411 /* etxrab Decoded as per Q.763 section 3.41 */
2415 upgraded_parameter = tvb_get_guint8(parameter_tvb, offset);
2417 proto_tree_add_text(parameter_tree, parameter_tvb, offset, 1,
2418 "Upgraded parameter: %s",
2419 val_to_str(upgraded_parameter, isup_parameter_type_value, NULL));
2422 instruction_indicators = tvb_get_guint8(parameter_tvb, offset);
2424 proto_tree_add_text(parameter_tree, parameter_tvb, offset, 1,
2425 "Instruction indicators: 0x%x ",
2426 instruction_indicators);
2428 proto_tree_add_text(parameter_tree, parameter_tvb, offset, 1,
2429 "Transit at intermediate exchange indicator: Bit A %s",
2430 val_to_str(instruction_indicators & 0x01,ISUP_transit_at_intermediate_exchange_indicator_vals ,NULL));
2432 proto_tree_add_text(parameter_tree, parameter_tvb, offset, 1,
2433 "Release call indicator: Bit B %s",
2434 val_to_str(instruction_indicators & 0x02,ISUP_Release_call_indicator_vals ,NULL));
2436 proto_tree_add_text(parameter_tree, parameter_tvb, offset, 1,
2437 "Send_notification_indicator: Bit C %s",
2438 val_to_str(instruction_indicators & 0x04,ISUP_Send_notification_indicator_vals ,NULL));
2440 proto_tree_add_text(parameter_tree, parameter_tvb, offset, 1,
2441 "Discard message indicator: Bit D %s",
2442 val_to_str(instruction_indicators & 0x08,ISUP_Discard_message_indicator_vals ,NULL));
2444 proto_tree_add_text(parameter_tree, parameter_tvb, offset, 1,
2445 "Discard parameter indicator: Bit E %s",
2446 val_to_str(instruction_indicators & 0x10,ISUP_Discard_parameter_indicator_vals ,NULL));
2448 proto_tree_add_text(parameter_tree, parameter_tvb, offset, 1,
2449 "Pass on not possible indicator: Bits FG %s",
2450 val_to_str(instruction_indicators & 0x60,ISUP_Pass_on_not_possible_indicator_vals ,NULL));
2453 if (!(instruction_indicators & H_8BIT_MASK)) {
2456 instruction_indicators = tvb_get_guint8(parameter_tvb, offset);
2457 proto_tree_add_text(parameter_tree, parameter_tvb, offset, 1,
2458 "Broadband/narrowband interworking indicator: Bit JI %s",
2459 val_to_str(instruction_indicators & 0x03,ISUP_Broadband_narrowband_interworking_indicator_vals ,NULL));
2469 /* ------------------------------------------------------------------
2470 Dissector Parameter MLPP precedence
2473 dissect_isup_mlpp_precedence_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2475 char NI_digits[5]="";
2476 guint8 indicators, digit_pair;
2479 indicators = tvb_get_guint8(parameter_tvb, 0);
2480 proto_tree_add_text(parameter_tree, parameter_tvb, 0, 1, "LFB (Bits 6+7) and precedence level (Bits 1-4): 0x%x",indicators);
2481 digit_pair = tvb_get_guint8(parameter_tvb, 1);
2482 NI_digits[0] = number_to_char((digit_pair & HGFE_8BIT_MASK) / 0x10);
2483 NI_digits[1] = number_to_char(digit_pair & DCBA_8BIT_MASK);
2484 digit_pair = tvb_get_guint8(parameter_tvb, 2);
2485 NI_digits[2] = number_to_char((digit_pair & HGFE_8BIT_MASK) / 0x10);
2486 NI_digits[3] = number_to_char(digit_pair & DCBA_8BIT_MASK);
2487 NI_digits[4] = '\0';
2488 proto_tree_add_text(parameter_tree, parameter_tvb, 1, 2, "Network Identity: %s", NI_digits);
2489 bin_code = tvb_get_ntoh24(parameter_tvb, 3);
2490 proto_tree_add_text(parameter_tree, parameter_tvb, 3, 3, "MLPP service domain: 0x%x", bin_code);
2491 proto_item_set_text(parameter_item, "MLPP precedence: NI = %s, MLPP service domain = 0x%x", NI_digits, bin_code);
2493 /* ------------------------------------------------------------------
2494 Dissector Parameter MCID request indicators
2497 dissect_isup_mcid_request_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2500 indicator = tvb_get_guint8(parameter_tvb, 0);
2501 proto_tree_add_text(parameter_tree, parameter_tvb, 0,MCID_REQUEST_IND_LENGTH, "MCID request indicators: 0x%x (MCID requested by Bit1=1, Holding requested by Bit2=1 see 3.31/Q.763)", indicator);
2502 proto_item_set_text(parameter_item, "MCID request indicators: 0x%x", indicator);
2504 /* ------------------------------------------------------------------
2505 Dissector Parameter MCID response indicators
2508 dissect_isup_mcid_response_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2511 indicator = tvb_get_guint8(parameter_tvb, 0);
2512 proto_tree_add_text(parameter_tree, parameter_tvb, 0,MCID_RESPONSE_IND_LENGTH, "MCID response indicators: 0x%x (MCID included if Bit1=1, Holding provided if Bit2=1 see 3.32/Q.763)", indicator);
2513 proto_item_set_text(parameter_item, "MCID response indicators: 0x%x", indicator);
2515 /* ------------------------------------------------------------------
2516 Dissector Parameter Hop counter
2519 dissect_isup_hop_counter_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2522 counter = tvb_get_guint8(parameter_tvb, 0) & EDCBA_8BIT_MASK; /* since bits H,G and F are spare */
2523 proto_tree_add_text(parameter_tree, parameter_tvb, 0, HOP_COUNTER_LENGTH, "Hop counter: %u", counter);
2524 proto_item_set_text(parameter_item, "Hop counter: %u", counter);
2526 /* ------------------------------------------------------------------
2527 Dissector Parameter Transmission medium requirement prime
2530 dissect_isup_transmission_medium_requirement_prime_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2532 guint8 transmission_medium_requirement;
2534 transmission_medium_requirement = tvb_get_guint8(parameter_tvb, 0);
2535 proto_tree_add_uint(parameter_tree, hf_isup_transmission_medium_requirement_prime, parameter_tvb, 0, TRANSMISSION_MEDIUM_RQMT_PRIME_LENGTH,transmission_medium_requirement);
2537 proto_item_set_text(parameter_item, "Transmission medium requirement prime: %u (%s)", transmission_medium_requirement, val_to_str(transmission_medium_requirement, isup_transmission_medium_requirement_prime_value, "spare/reserved"));
2540 /* ------------------------------------------------------------------
2541 Dissector Parameter location number
2544 dissect_isup_location_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2546 proto_item *address_digits_item;
2547 proto_tree *address_digits_tree;
2548 guint8 indicators1, indicators2;
2549 guint8 address_digit_pair=0;
2553 char calling_number[MAXLENGTH]="";
2555 indicators1 = tvb_get_guint8(parameter_tvb, 0);
2556 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
2557 proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
2558 indicators2 = tvb_get_guint8(parameter_tvb, 1);
2559 proto_tree_add_boolean(parameter_tree, hf_isup_inn_indicator, parameter_tvb, 1, 1, indicators2);
2560 proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
2561 if ((indicators2 & GFE_8BIT_MASK) == 0x50)
2562 proto_tree_add_text(parameter_tree, parameter_tvb, 1, 1, "Different meaning for Location Number: Numbering plan indicator = private numbering plan");
2563 proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 1, 1, indicators2);
2564 proto_tree_add_uint(parameter_tree, hf_isup_screening_indicator, parameter_tvb, 1, 1, indicators2);
2567 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
2570 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
2572 length = tvb_length_remaining(parameter_tvb, offset);
2574 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
2575 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
2576 calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
2577 if ((length - 1) > 0 ){
2578 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
2579 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
2582 length = tvb_length_remaining(parameter_tvb, offset);
2585 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
2586 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
2587 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
2589 calling_number[i++] = '\0';
2591 proto_item_set_text(address_digits_item, "Location number: %s", calling_number);
2592 proto_item_set_text(parameter_item, "Location number: %s", calling_number);
2595 /* ------------------------------------------------------------------
2596 Dissector Parameter Redirection number restiriction
2599 dissect_isup_redirection_number_restriction_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2603 indicator = tvb_get_guint8(parameter_tvb, 0);
2604 switch (indicator & BA_8BIT_MASK) {
2606 proto_tree_add_text(parameter_tree, parameter_tvb, 0, REDIRECTION_NUMBER_RESTRICTION_LENGTH, "Presentation indicator: Presentation allowed");
2609 proto_tree_add_text(parameter_tree, parameter_tvb, 0, REDIRECTION_NUMBER_RESTRICTION_LENGTH, "Presentation indicator: Presentation restricted");
2612 proto_tree_add_text(parameter_tree, parameter_tvb, 0, REDIRECTION_NUMBER_RESTRICTION_LENGTH, "Presentation indicator: spare");
2615 proto_item_set_text(parameter_item, "Redirection number restriction: 0x%x ", indicator);
2617 /* ------------------------------------------------------------------
2618 Dissector Parameter Call transfer identity
2621 dissect_isup_call_transfer_reference_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2624 id = tvb_get_guint8(parameter_tvb, 0);
2625 proto_tree_add_text(parameter_tree, parameter_tvb, 0, CALL_TRANSFER_REF_LENGTH, "Call transfer identity: %u", id);
2626 proto_item_set_text(parameter_item, "Call transfer reference: %u", id);
2628 /* ------------------------------------------------------------------
2629 Dissector Parameter Loop prevention
2632 dissect_isup_loop_prevention_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2636 indicator = tvb_get_guint8(parameter_tvb, 0);
2637 if ((indicator & A_8BIT_MASK)==0) {
2638 proto_tree_add_text(parameter_tree, parameter_tvb, 0, LOOP_PREVENTION_IND_LENGTH, "Type: Request");
2639 proto_item_set_text(parameter_item, "Loop prevention indicators: Request (%u)", indicator);
2642 proto_tree_add_text(parameter_tree, parameter_tvb, 0, LOOP_PREVENTION_IND_LENGTH, "Type: Response");
2643 proto_tree_add_uint(parameter_tree, hf_isup_loop_prevention_response_ind, parameter_tvb, 0, LOOP_PREVENTION_IND_LENGTH, indicator);
2644 proto_item_set_text(parameter_item, "Loop prevention indicators: Response (%u)", indicator);
2647 /* ------------------------------------------------------------------
2648 Dissector Parameter Call transfer number
2651 dissect_isup_call_transfer_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2653 proto_item *address_digits_item;
2654 proto_tree *address_digits_tree;
2655 guint8 indicators1, indicators2;
2656 guint8 address_digit_pair=0;
2660 char calling_number[MAXLENGTH]="";
2662 indicators1 = tvb_get_guint8(parameter_tvb, 0);
2663 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
2664 proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
2665 indicators2 = tvb_get_guint8(parameter_tvb, 1);
2666 proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
2667 if ((indicators2 & GFE_8BIT_MASK) == 0x50)
2668 proto_tree_add_text(parameter_tree, parameter_tvb, 1, 1, "Different meaning for Call Transfer Number: Numbering plan indicator = private numbering plan");
2669 proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 1, 1, indicators2);
2670 proto_tree_add_uint(parameter_tree, hf_isup_screening_indicator_enhanced, parameter_tvb, 1, 1, indicators2);
2673 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
2675 "Call transfer number");
2676 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
2678 length = tvb_length_remaining(parameter_tvb, offset);
2680 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
2681 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
2682 calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
2683 if ((length - 1) > 0 ){
2684 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
2685 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
2688 length = tvb_length_remaining(parameter_tvb, offset);
2691 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
2692 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
2693 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
2695 calling_number[i++] = '\0';
2697 proto_item_set_text(address_digits_item, "Call transfer number: %s", calling_number);
2698 proto_item_set_text(parameter_item, "Call transfer number: %s", calling_number);
2701 /* ------------------------------------------------------------------
2702 Dissector Parameter CCSS
2705 dissect_isup_ccss_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2709 indicator = tvb_get_guint8(parameter_tvb, 0);
2710 if ((indicator & A_8BIT_MASK)==0) {
2711 proto_tree_add_text(parameter_tree, parameter_tvb, 0, LOOP_PREVENTION_IND_LENGTH, "CCSS call indicator: no indication");
2712 proto_item_set_text(parameter_item, "CCSS call indicator: no indication (%u)", indicator);
2715 proto_tree_add_text(parameter_tree, parameter_tvb, 0, LOOP_PREVENTION_IND_LENGTH, "CCSS call indicator: CCSS call");
2716 proto_item_set_text(parameter_item, "CCSS call indicator: CCSS call (%u)", indicator);
2719 /* ------------------------------------------------------------------
2720 Parameter Forward GVNS
2723 dissect_isup_forward_gvns_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2724 { guint length = tvb_length(parameter_tvb);
2725 proto_tree_add_text(parameter_tree, parameter_tvb, 0, length, "Forward GVNS (refer to 3.66/Q.763 for detailed decoding)");
2726 proto_item_set_text(parameter_item, "Forward GVNS (%u Byte%s)", length , plurality(length, "", "s"));
2728 /* ------------------------------------------------------------------
2729 Parameter Redirect capability
2732 dissect_isup_redirect_capability_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2733 { guint length = tvb_length(parameter_tvb);
2734 proto_tree_add_text(parameter_tree, parameter_tvb, 0, length, "Redirect capability (format is a national matter)");
2735 proto_item_set_text(parameter_item, "Redirect Capability (%u Byte%s)", length , plurality(length, "", "s"));
2737 /* ------------------------------------------------------------------
2738 Dissector Parameter Backward GVNS
2741 dissect_isup_backward_gvns_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2744 indicator = tvb_get_guint8(parameter_tvb, 0);
2745 proto_tree_add_text(parameter_tree, parameter_tvb, 0, BACKWARD_GVNS_LENGTH, "Backward GVNS: 0x%x (refer to 3.62/Q.763 for detailed decoding)", indicator);
2746 proto_item_set_text(parameter_item, "Backward GVNS: 0x%x", indicator);
2748 /* ------------------------------------------------------------------
2749 Dissector Parameter Network management controls
2752 dissect_isup_network_management_controls_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2755 indicator = tvb_get_guint8(parameter_tvb, 0);
2756 proto_tree_add_boolean(parameter_tree, hf_isup_temporary_alternative_routing_ind, parameter_tvb, 0,NETWORK_MANAGEMENT_CONTROLS_LENGTH, indicator);
2757 proto_tree_add_boolean(parameter_tree, hf_isup_extension_ind, parameter_tvb, 0,NETWORK_MANAGEMENT_CONTROLS_LENGTH, indicator);
2758 proto_item_set_text(parameter_item, "Network management controls: 0x%x", indicator);
2760 /* ------------------------------------------------------------------
2761 Dissector Parameter Correlation id - no detailed dissection since defined in Rec. Q.1281
2764 dissect_isup_correlation_id_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2765 { guint length = tvb_length(parameter_tvb);
2766 proto_tree_add_text(parameter_tree, parameter_tvb, 0, length, "Correlation ID (-> Q.1281)");
2767 proto_item_set_text(parameter_item, "Correlation ID, see Q.1281 (%u Byte%s)", length , plurality(length, "", "s"));
2769 /* ------------------------------------------------------------------
2770 Dissector Parameter SCF id - no detailed dissection since defined in Rec. Q.1281
2773 dissect_isup_scf_id_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2774 { guint length = tvb_length(parameter_tvb);
2775 proto_tree_add_text(parameter_tree, parameter_tvb, 0, length, "SCF ID (-> Q.1281)");
2776 proto_item_set_text(parameter_item, "SCF ID, see Q.1281 (%u Byte%s)", length , plurality(length, "", "s"));
2778 /* ------------------------------------------------------------------
2779 Dissector Parameter Call diversion treatment indicators
2782 dissect_isup_call_diversion_treatment_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2785 indicator = tvb_get_guint8(parameter_tvb, 0);
2786 proto_tree_add_uint(parameter_tree, hf_isup_call_to_be_diverted_ind, parameter_tvb, 0,CALL_DIV_TREATMENT_IND_LENGTH, indicator);
2787 proto_tree_add_boolean(parameter_tree, hf_isup_extension_ind, parameter_tvb, 0, CALL_DIV_TREATMENT_IND_LENGTH, indicator);
2788 proto_item_set_text(parameter_item, "Call diversion treatment indicators: 0x%x", indicator);
2790 /* ------------------------------------------------------------------
2791 Dissector Parameter called IN number
2794 dissect_isup_called_in_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2796 proto_item *address_digits_item;
2797 proto_tree *address_digits_tree;
2798 guint8 indicators1, indicators2;
2799 guint8 address_digit_pair=0;
2803 char calling_number[MAXLENGTH]="";
2805 indicators1 = tvb_get_guint8(parameter_tvb, 0);
2806 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
2807 proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
2808 indicators2 = tvb_get_guint8(parameter_tvb, 1);
2809 proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
2810 proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 1, 1, indicators2);
2813 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
2815 "Called IN Number");
2816 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
2818 length = tvb_length_remaining(parameter_tvb, offset);
2820 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
2821 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
2822 calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
2823 if ((length - 1) > 0 ){
2824 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
2825 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
2828 length = tvb_length_remaining(parameter_tvb, offset);
2831 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
2832 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
2833 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
2835 calling_number[i++] = '\0';
2837 proto_item_set_text(address_digits_item, "Called IN Number: %s", calling_number);
2838 proto_item_set_text(parameter_item, "Called IN Number: %s", calling_number);
2841 /* ------------------------------------------------------------------
2842 Dissector Parameter Call offering treatment indicators
2845 dissect_isup_call_offering_treatment_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2848 indicator = tvb_get_guint8(parameter_tvb, 0);
2849 proto_tree_add_uint(parameter_tree, hf_isup_call_to_be_offered_ind, parameter_tvb, 0,CALL_OFFERING_TREATMENT_IND_LENGTH, indicator);
2850 proto_tree_add_boolean(parameter_tree, hf_isup_extension_ind, parameter_tvb, 0, CALL_OFFERING_TREATMENT_IND_LENGTH, indicator);
2851 proto_item_set_text(parameter_item, "Call offering treatment indicators: 0x%x", indicator);
2853 /* ------------------------------------------------------------------
2854 Parameter Charged party identification
2857 dissect_isup_charged_party_identification_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2858 { guint length = tvb_length(parameter_tvb);
2859 proto_tree_add_text(parameter_tree, parameter_tvb, 0, length, "Charged party identification (format is national network specific)");
2860 proto_item_set_text(parameter_item, "Charged party identification (%u Byte%s)", length , plurality(length, "", "s"));
2862 /* ------------------------------------------------------------------
2863 Dissector Parameter Conference treatment indicators
2866 dissect_isup_conference_treatment_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2869 indicator = tvb_get_guint8(parameter_tvb, 0);
2870 proto_tree_add_uint(parameter_tree, hf_isup_conference_acceptance_ind, parameter_tvb, 0,CONFERENCE_TREATMENT_IND_LENGTH, indicator);
2871 proto_tree_add_boolean(parameter_tree, hf_isup_extension_ind, parameter_tvb, 0, CONFERENCE_TREATMENT_IND_LENGTH, indicator);
2872 proto_item_set_text(parameter_item, "Conference treatment indicators: 0x%x", indicator);
2874 /* ------------------------------------------------------------------
2875 Dissector Parameter Display information
2878 dissect_isup_display_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2879 { guint length = tvb_length(parameter_tvb);
2880 proto_tree_add_text(parameter_tree, parameter_tvb, 0, length, "Display information (-> Q.931)");
2881 proto_item_set_text(parameter_item, "Display information (%u Byte%s)", length , plurality(length, "", "s"));
2883 /* ------------------------------------------------------------------
2884 Parameter UID action indicators
2887 dissect_isup_uid_action_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2890 indicator = tvb_get_guint8(parameter_tvb, 0);
2891 proto_tree_add_text(parameter_tree, parameter_tvb, 0,UID_ACTION_IND_LENGTH, "UID action indicators: 0x%x (refer to 3.78/Q.763 for detailed decoding)", indicator);
2892 proto_item_set_text(parameter_item, "UID action indicators: 0x%x", indicator);
2894 /* ------------------------------------------------------------------
2895 Parameter UID capability indicators
2898 dissect_isup_uid_capability_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2901 indicator = tvb_get_guint8(parameter_tvb, 0);
2902 proto_tree_add_text(parameter_tree, parameter_tvb, 0,UID_CAPABILITY_IND_LENGTH, "UID capability indicators: 0x%x (refer to 3.79/Q.763 for detailed decoding)", indicator);
2903 proto_item_set_text(parameter_item, "UID capability indicators: 0x%x", indicator);
2905 /* ------------------------------------------------------------------
2906 Parameter Redirect counter
2909 dissect_isup_redirect_counter_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2910 { guint length = tvb_length(parameter_tvb);
2911 proto_tree_add_text(parameter_tree, parameter_tvb, 0, length, "Redirect counter (format is a national matter)");
2912 proto_item_set_text(parameter_item, "Redirect counter (%u Byte%s)", length , plurality(length, "", "s"));
2914 /* ------------------------------------------------------------------
2915 Dissector Parameter Collect call request
2918 dissect_isup_collect_call_request_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2921 indicator = tvb_get_guint8(parameter_tvb, 0);
2922 if ((indicator & A_8BIT_MASK) == 0) {
2923 proto_tree_add_text(parameter_tree, parameter_tvb, 0, COLLECT_CALL_REQUEST_LENGTH, "Collect call request indicator: no indication");
2924 proto_item_set_text(parameter_item, "Collect call reqeust: no indication (0x%x)", indicator);
2927 proto_tree_add_text(parameter_tree, parameter_tvb, 0, COLLECT_CALL_REQUEST_LENGTH, "Collect call request indicator: collect call requested");
2928 proto_item_set_text(parameter_item, "Collect call reqeust: collect call requested (0x%x)", indicator);
2931 /* ------------------------------------------------------------------
2932 Dissector Parameter Generic number
2935 dissect_isup_generic_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2937 proto_item *address_digits_item;
2938 proto_tree *address_digits_tree;
2939 guint8 indicators1, indicators2, nr_qualifier_ind;
2940 guint8 address_digit_pair=0;
2944 char calling_number[MAXLENGTH]="";
2946 nr_qualifier_ind = tvb_get_guint8(parameter_tvb, 0);
2947 proto_tree_add_text(parameter_tree, parameter_tvb, 0, 1, "Number qualifier indicator: 0x%x (refer to 3.26/Q.763 for detailed decoding)", nr_qualifier_ind);
2948 indicators1 = tvb_get_guint8(parameter_tvb, 1);
2949 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 1, 1, indicators1);
2950 proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
2951 indicators2 = tvb_get_guint8(parameter_tvb, 2);
2952 proto_tree_add_boolean(parameter_tree, hf_isup_ni_indicator, parameter_tvb, 2, 1, indicators2);
2953 proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 2, 1, indicators2);
2954 if ((indicators2 & GFE_8BIT_MASK) == 0x50)
2955 proto_tree_add_text(parameter_tree, parameter_tvb, 2, 1, "Different meaning for Generic Number: Numbering plan indicator = private numbering plan");
2956 proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 2, 1, indicators2);
2957 proto_tree_add_uint(parameter_tree, hf_isup_screening_indicator_enhanced, parameter_tvb, 2, 1, indicators2);
2960 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
2963 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
2965 length = tvb_length_remaining(parameter_tvb, offset);
2967 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
2968 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
2969 calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
2970 if ((length - 1) > 0 ){
2971 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
2972 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
2975 length = tvb_length_remaining(parameter_tvb, offset);
2978 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
2979 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
2980 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
2982 calling_number[i++] = '\0';
2984 proto_item_set_text(address_digits_item, "Generic number: %s", calling_number);
2985 proto_item_set_text(parameter_item, "Generic number: %s", calling_number);
2988 /* ------------------------------------------------------------------
2989 Dissector Parameter Generic digits
2992 dissect_isup_generic_digits_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2993 { guint length = tvb_length(parameter_tvb);
2994 proto_tree_add_text(parameter_tree, parameter_tvb, 0, length, "Generic digits (refer to 3.24/Q.673 for detailed decoding)");
2995 proto_item_set_text(parameter_item, "Generic digits (%u Byte%s)", length , plurality(length, "", "s"));
2997 /* ------------------------------------------------------------------ */
2999 dissect_isup_unknown_parameter(tvbuff_t *parameter_tvb, proto_item *parameter_item)
3000 { guint length = tvb_length(parameter_tvb);
3001 proto_item_set_text(parameter_item, "Parameter Type unknown/reserved (%u Byte%s)", length , plurality(length, "", "s"));
3003 /* ------------------------------------------------------------------ */
3005 /* ------------------------------------------------------------------
3006 Dissector all optional parameters
3009 dissect_isup_optional_parameter(tvbuff_t *optional_parameters_tvb, proto_tree *isup_tree)
3010 { proto_item* parameter_item;
3011 proto_tree* parameter_tree;
3013 guint parameter_type, parameter_length, actual_length;
3014 tvbuff_t *parameter_tvb;
3016 /* Dissect all optional parameters while end of message isn't reached */
3017 parameter_type = 0xFF; /* Start-initializiation since parameter_type is used for while-condition */
3019 while ((tvb_length_remaining(optional_parameters_tvb, offset) >= 1) && (parameter_type != PARAM_TYPE_END_OF_OPT_PARAMS)){
3020 parameter_type = tvb_get_guint8(optional_parameters_tvb, offset);
3022 if (parameter_type != PARAM_TYPE_END_OF_OPT_PARAMS){
3023 parameter_length = tvb_get_guint8(optional_parameters_tvb, offset + PARAMETER_TYPE_LENGTH);
3025 parameter_item = proto_tree_add_text(isup_tree, optional_parameters_tvb,
3027 parameter_length + PARAMETER_TYPE_LENGTH + PARAMETER_LENGTH_IND_LENGTH,
3028 "Parameter: type %u",
3030 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3031 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, optional_parameters_tvb, offset, PARAMETER_TYPE_LENGTH, parameter_type, "Optional Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3032 offset += PARAMETER_TYPE_LENGTH;
3034 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, optional_parameters_tvb, offset, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
3035 offset += PARAMETER_LENGTH_IND_LENGTH;
3037 actual_length = tvb_length_remaining(optional_parameters_tvb, offset);
3038 if (actual_length > 0){
3039 parameter_tvb = tvb_new_subset(optional_parameters_tvb, offset, MIN(parameter_length, actual_length), parameter_length);
3040 switch (parameter_type) {
3041 case PARAM_TYPE_CALL_REF:
3042 dissect_isup_call_reference_parameter(parameter_tvb, parameter_tree, parameter_item);
3044 case PARAM_TYPE_TRANSM_MEDIUM_REQU:
3045 dissect_isup_transmission_medium_requirement_parameter(parameter_tvb, parameter_tree, parameter_item);
3047 case PARAM_TYPE_ACC_TRANSP:
3048 dissect_isup_access_transport_parameter(parameter_tvb, parameter_tree, parameter_item);
3050 case PARAM_TYPE_CALLED_PARTY_NR:
3051 dissect_isup_called_party_number_parameter(parameter_tvb, parameter_tree, parameter_item);
3053 case PARAM_TYPE_SUBSQT_NR:
3054 dissect_isup_subsequent_number_parameter(parameter_tvb, parameter_tree, parameter_item);
3056 case PARAM_TYPE_NATURE_OF_CONN_IND:
3057 dissect_isup_nature_of_connection_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3059 case PARAM_TYPE_FORW_CALL_IND:
3060 dissect_isup_forward_call_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3062 case PARAM_TYPE_OPT_FORW_CALL_IND:
3063 dissect_isup_optional_forward_call_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3065 case PARAM_TYPE_CALLING_PRTY_CATEG:
3066 dissect_isup_calling_partys_category_parameter(parameter_tvb, parameter_tree, parameter_item);
3068 case PARAM_TYPE_CALLING_PARTY_NR:
3069 dissect_isup_calling_party_number_parameter(parameter_tvb, parameter_tree, parameter_item);
3071 case PARAM_TYPE_REDIRECTING_NR:
3072 dissect_isup_redirecting_number_parameter(parameter_tvb, parameter_tree, parameter_item);
3074 case PARAM_TYPE_REDIRECTION_NR:
3075 dissect_isup_redirection_number_parameter(parameter_tvb, parameter_tree, parameter_item);
3077 case PARAM_TYPE_CONNECTION_REQ:
3078 dissect_isup_connection_request_parameter(parameter_tvb, parameter_tree, parameter_item);
3080 case PARAM_TYPE_INFO_REQ_IND:
3081 dissect_isup_information_request_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3083 case PARAM_TYPE_INFO_IND:
3084 dissect_isup_information_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3086 case PARAM_TYPE_CONTINUITY_IND:
3087 dissect_isup_continuity_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3089 case PARAM_TYPE_BACKW_CALL_IND:
3090 dissect_isup_backward_call_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3092 case PARAM_TYPE_CAUSE_INDICATORS:
3093 dissect_isup_cause_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3095 case PARAM_TYPE_REDIRECTION_INFO:
3096 dissect_isup_redirection_information_parameter(parameter_tvb, parameter_tree, parameter_item);
3098 case PARAM_TYPE_CIRC_GRP_SV_MSG_TYPE:
3099 dissect_isup_circuit_group_supervision_message_type_parameter(parameter_tvb, parameter_tree, parameter_item);
3101 case PARAM_TYPE_RANGE_AND_STATUS:
3102 dissect_isup_range_and_status_parameter(parameter_tvb, parameter_tree, parameter_item);
3104 case PARAM_TYPE_FACILITY_IND:
3105 dissect_isup_facility_ind_parameter(parameter_tvb, parameter_item);
3107 case PARAM_TYPE_CLSD_USR_GRP_ILOCK_CD:
3108 dissect_isup_closed_user_group_interlock_code_parameter(parameter_tvb, parameter_tree, parameter_item);
3110 case PARAM_TYPE_USER_SERVICE_INFO:
3111 dissect_isup_user_service_information_parameter(parameter_tvb, parameter_tree, parameter_item);
3113 case PARAM_TYPE_SIGNALLING_POINT_CODE:
3114 dissect_isup_signalling_point_code_parameter(parameter_tvb, parameter_tree, parameter_item);
3116 case PARAM_TYPE_USER_TO_USER_INFO:
3117 dissect_isup_user_to_user_information_parameter(parameter_tvb, parameter_tree, parameter_item);
3119 case PARAM_TYPE_CONNECTED_NR:
3120 dissect_isup_connected_number_parameter(parameter_tvb, parameter_tree, parameter_item);
3122 case PARAM_TYPE_SUSP_RESUME_IND:
3123 dissect_isup_suspend_resume_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3125 case PARAM_TYPE_TRANSIT_NETW_SELECT:
3126 dissect_isup_transit_network_selection_parameter(parameter_tvb, parameter_tree, parameter_item);
3128 case PARAM_TYPE_EVENT_INFO:
3129 dissect_isup_event_information_parameter(parameter_tvb, parameter_tree, parameter_item);
3131 case PARAM_TYPE_CIRC_ASSIGN_MAP:
3132 dissect_isup_circuit_assignment_map_parameter(parameter_tvb, parameter_tree, parameter_item);
3134 case PARAM_TYPE_CIRC_STATE_IND:
3135 dissect_isup_circuit_state_ind_parameter(parameter_tvb, parameter_tree, parameter_item);
3137 case PARAM_TYPE_AUTO_CONG_LEVEL:
3138 dissect_isup_automatic_congestion_level_parameter(parameter_tvb, parameter_tree, parameter_item);
3140 case PARAM_TYPE_ORIG_CALLED_NR:
3141 dissect_isup_original_called_number_parameter(parameter_tvb, parameter_tree, parameter_item);
3143 case PARAM_TYPE_OPT_BACKW_CALL_IND:
3144 dissect_isup_optional_backward_call_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3146 case PARAM_TYPE_USER_TO_USER_IND:
3147 dissect_isup_user_to_user_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3149 case PARAM_TYPE_ORIG_ISC_POINT_CODE:
3150 dissect_isup_original_isc_point_code_parameter(parameter_tvb, parameter_tree, parameter_item);
3152 case PARAM_TYPE_GENERIC_NOTIF_IND:
3153 dissect_isup_generic_notification_indicator_parameter(parameter_tvb, parameter_tree, parameter_item);
3155 case PARAM_TYPE_CALL_HIST_INFO :
3156 dissect_isup_call_history_information_parameter(parameter_tvb, parameter_tree, parameter_item);
3158 case PARAM_TYPE_ACC_DELIV_INFO:
3159 dissect_isup_access_delivery_information_parameter(parameter_tvb, parameter_tree, parameter_item);
3161 case PARAM_TYPE_NETW_SPECIFIC_FACLTY:
3162 dissect_isup_network_specific_facility_parameter(parameter_tvb, parameter_tree, parameter_item);
3164 case PARAM_TYPE_USER_SERVICE_INFO_PR:
3165 dissect_isup_user_service_information_prime_parameter(parameter_tvb, parameter_tree, parameter_item);
3167 case PARAM_TYPE_PROPAG_DELAY_COUNTER:
3168 dissect_isup_propagation_delay_counter_parameter(parameter_tvb, parameter_tree, parameter_item);
3170 case PARAM_TYPE_REMOTE_OPERATIONS:
3171 dissect_isup_remote_operations_parameter(parameter_tvb, parameter_tree, parameter_item);
3173 case PARAM_TYPE_SERVICE_ACTIVATION:
3174 dissect_isup_service_activation_parameter(parameter_tvb, parameter_tree, parameter_item);
3176 case PARAM_TYPE_USER_TELESERV_INFO:
3177 dissect_isup_user_teleservice_information_parameter(parameter_tvb, parameter_tree, parameter_item);
3179 case PARAM_TYPE_TRANSM_MEDIUM_USED:
3180 dissect_isup_transmission_medium_used_parameter(parameter_tvb, parameter_tree, parameter_item);
3182 case PARAM_TYPE_CALL_DIV_INFO:
3183 dissect_isup_call_diversion_information_parameter(parameter_tvb, parameter_tree, parameter_item);
3185 case PARAM_TYPE_ECHO_CTRL_INFO:
3186 dissect_isup_echo_control_information_parameter(parameter_tvb, parameter_tree, parameter_item);
3188 case PARAM_TYPE_MSG_COMPAT_INFO:
3189 dissect_isup_message_compatibility_information_parameter(parameter_tvb, parameter_tree, parameter_item);
3191 case PARAM_TYPE_PARAM_COMPAT_INFO:
3192 dissect_isup_parameter_compatibility_information_parameter(parameter_tvb, parameter_tree, parameter_item);
3194 case PARAM_TYPE_MLPP_PRECEDENCE:
3195 dissect_isup_mlpp_precedence_parameter(parameter_tvb, parameter_tree, parameter_item);
3197 case PARAM_TYPE_MCID_REQ_IND:
3198 dissect_isup_mcid_request_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3200 case PARAM_TYPE_MCID_RSP_IND:
3201 dissect_isup_mcid_response_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3203 case PARAM_TYPE_HOP_COUNTER:
3204 dissect_isup_hop_counter_parameter(parameter_tvb, parameter_tree, parameter_item);
3206 case PARAM_TYPE_TRANSM_MEDIUM_RQUR_PR:
3207 dissect_isup_transmission_medium_requirement_prime_parameter(parameter_tvb, parameter_tree, parameter_item);
3209 case PARAM_TYPE_LOCATION_NR:
3210 dissect_isup_location_number_parameter(parameter_tvb, parameter_tree, parameter_item);
3212 case PARAM_TYPE_REDIR_NR_RSTRCT:
3213 dissect_isup_redirection_number_restriction_parameter(parameter_tvb, parameter_tree, parameter_item);
3215 case PARAM_TYPE_CALL_TRANS_REF:
3216 dissect_isup_call_transfer_reference_parameter(parameter_tvb, parameter_tree, parameter_item);
3218 case PARAM_TYPE_LOOP_PREV_IND:
3219 dissect_isup_loop_prevention_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3221 case PARAM_TYPE_CALL_TRANS_NR:
3222 dissect_isup_call_transfer_number_parameter(parameter_tvb, parameter_tree, parameter_item);
3224 case PARAM_TYPE_CCSS:
3225 dissect_isup_ccss_parameter(parameter_tvb, parameter_tree, parameter_item);
3227 case PARAM_TYPE_FORW_GVNS:
3228 dissect_isup_forward_gvns_parameter(parameter_tvb, parameter_tree, parameter_item);
3230 case PARAM_TYPE_BACKW_GVNS:
3231 dissect_isup_backward_gvns_parameter(parameter_tvb, parameter_tree, parameter_item);
3233 case PARAM_TYPE_REDIRECT_CAPAB:
3234 dissect_isup_redirect_capability_parameter(parameter_tvb, parameter_tree, parameter_item);
3236 case PARAM_TYPE_NETW_MGMT_CTRL:
3237 dissect_isup_network_management_controls_parameter(parameter_tvb, parameter_tree, parameter_item);
3239 case PARAM_TYPE_CORRELATION_ID:
3240 dissect_isup_correlation_id_parameter(parameter_tvb, parameter_tree, parameter_item);
3242 case PARAM_TYPE_SCF_ID:
3243 dissect_isup_scf_id_parameter(parameter_tvb, parameter_tree, parameter_item);
3245 case PARAM_TYPE_CALL_DIV_TREAT_IND:
3246 dissect_isup_call_diversion_treatment_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3248 case PARAM_TYPE_CALLED_IN_NR:
3249 dissect_isup_called_in_number_parameter(parameter_tvb, parameter_tree, parameter_item);
3251 case PARAM_TYPE_CALL_OFF_TREAT_IND:
3252 dissect_isup_call_offering_treatment_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3254 case PARAM_TYPE_CHARGED_PARTY_IDENT:
3255 dissect_isup_charged_party_identification_parameter(parameter_tvb, parameter_tree, parameter_item);
3257 case PARAM_TYPE_CONF_TREAT_IND:
3258 dissect_isup_conference_treatment_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3260 case PARAM_TYPE_DISPLAY_INFO:
3261 dissect_isup_display_information_parameter(parameter_tvb, parameter_tree, parameter_item);
3263 case PARAM_TYPE_UID_ACTION_IND:
3264 dissect_isup_uid_action_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3266 case PARAM_TYPE_UID_CAPAB_IND:
3267 dissect_isup_uid_capability_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3269 case PARAM_TYPE_REDIRECT_COUNTER:
3270 dissect_isup_redirect_counter_parameter(parameter_tvb, parameter_tree, parameter_item);
3272 case PARAM_TYPE_COLLECT_CALL_REQ:
3273 dissect_isup_collect_call_request_parameter(parameter_tvb, parameter_tree, parameter_item);
3275 case PARAM_TYPE_GENERIC_NR:
3276 dissect_isup_generic_number_parameter(parameter_tvb, parameter_tree, parameter_item);
3278 case PARAM_TYPE_GENERIC_DIGITS:
3279 dissect_isup_generic_digits_parameter(parameter_tvb, parameter_tree, parameter_item);
3282 dissect_isup_unknown_parameter(parameter_tvb, parameter_item);
3285 offset += MIN(parameter_length, actual_length);
3290 /* End of optional parameters is reached */
3291 proto_tree_add_uint_format(isup_tree, hf_isup_message_type, optional_parameters_tvb , offset, PARAMETER_TYPE_LENGTH, parameter_type, "End of optional parameters (%u)", parameter_type);
3296 /* ------------------------------------------------------------------ */
3297 /* Dissectors for all used message types */
3298 /* Called by dissect_isup_message(), */
3299 /* call parameter dissectors in order of mandatory parameters */
3300 /* (since not labeled) */
3301 /* ------------------------------------------------------------------
3302 Dissector Message Type Initial address message
3305 dissect_isup_initial_address_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3306 { proto_item* parameter_item;
3307 proto_tree* parameter_tree;
3308 tvbuff_t *parameter_tvb;
3310 gint parameter_type, parameter_pointer, parameter_length, actual_length;
3312 /* Do stuff for first mandatory fixed parameter: Nature of Connection Indicators */
3313 parameter_type = PARAM_TYPE_NATURE_OF_CONN_IND;
3314 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3315 NATURE_OF_CONNECTION_IND_LENGTH,
3316 "Nature of Connection Indicators");
3317 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3318 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3319 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3320 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(NATURE_OF_CONNECTION_IND_LENGTH, actual_length), NATURE_OF_CONNECTION_IND_LENGTH);
3321 dissect_isup_nature_of_connection_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3322 offset += NATURE_OF_CONNECTION_IND_LENGTH;
3324 /* Do stuff for 2nd mandatory fixed parameter: Forward Call Indicators */
3325 parameter_type = PARAM_TYPE_FORW_CALL_IND;
3326 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3327 FORWARD_CALL_IND_LENGTH,
3328 "Forward Call Indicators");
3329 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3330 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3331 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3332 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(FORWARD_CALL_IND_LENGTH, actual_length), FORWARD_CALL_IND_LENGTH );
3333 dissect_isup_forward_call_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3334 offset += FORWARD_CALL_IND_LENGTH;
3336 /* Do stuff for 3nd mandatory fixed parameter: Calling party's category */
3337 parameter_type = PARAM_TYPE_CALLING_PRTY_CATEG;
3338 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3339 CALLING_PRTYS_CATEGORY_LENGTH,
3340 "Calling Party's category");
3341 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3342 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3343 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3344 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(CALLING_PRTYS_CATEGORY_LENGTH, actual_length),CALLING_PRTYS_CATEGORY_LENGTH );
3345 dissect_isup_calling_partys_category_parameter(parameter_tvb, parameter_tree, parameter_item);
3346 offset += CALLING_PRTYS_CATEGORY_LENGTH;
3348 /* Do stuff for 4th mandatory fixed parameter: Transmission medium requirement */
3349 parameter_type = PARAM_TYPE_TRANSM_MEDIUM_REQU;
3350 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3351 TRANSMISSION_MEDIUM_REQUIREMENT_LENGTH,
3352 "Transmission medium requirement");
3353 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3354 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3355 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3356 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(TRANSMISSION_MEDIUM_REQUIREMENT_LENGTH, actual_length), TRANSMISSION_MEDIUM_REQUIREMENT_LENGTH);
3357 dissect_isup_transmission_medium_requirement_parameter(parameter_tvb, parameter_tree, parameter_item);
3358 offset += TRANSMISSION_MEDIUM_REQUIREMENT_LENGTH;
3361 /* Do stuff for mandatory variable parameter Called party number */
3362 parameter_type = PARAM_TYPE_CALLED_PARTY_NR;
3363 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3364 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3366 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3367 offset + parameter_pointer,
3368 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3369 "Called Party Number");
3370 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3371 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3372 proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
3373 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
3374 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3375 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3376 dissect_isup_called_party_number_parameter(parameter_tvb, parameter_tree, parameter_item);
3377 offset += PARAMETER_POINTER_LENGTH;
3381 /* ------------------------------------------------------------------
3382 Dissector Message Type subsequent address message
3384 gint dissect_isup_subsequent_address_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3385 { proto_item* parameter_item;
3386 proto_tree* parameter_tree;
3387 tvbuff_t *parameter_tvb;
3389 gint parameter_type, parameter_pointer, parameter_length, actual_length;
3391 /* Do stuff for mandatory variable parameter Subsequent number */
3392 parameter_type = PARAM_TYPE_SUBSQT_NR;
3394 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3395 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3397 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3398 offset + parameter_pointer,
3399 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3400 "Subsequent Number");
3401 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3402 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3403 proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
3404 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
3405 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3406 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3407 dissect_isup_subsequent_number_parameter(parameter_tvb, parameter_tree, parameter_item);
3408 offset += PARAMETER_POINTER_LENGTH;
3413 /* ------------------------------------------------------------------
3414 Dissector Message Type Information request message
3417 dissect_isup_information_request_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3418 { proto_item* parameter_item;
3419 proto_tree* parameter_tree;
3420 tvbuff_t *parameter_tvb;
3422 gint parameter_type, actual_length;
3424 /* Do stuff for first mandatory fixed parameter: Information request indicators*/
3425 parameter_type = PARAM_TYPE_INFO_REQ_IND;
3426 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3427 INFO_REQUEST_IND_LENGTH,
3428 "Information request indicators");
3429 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3430 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3431 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3432 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(INFO_REQUEST_IND_LENGTH, actual_length), INFO_REQUEST_IND_LENGTH);
3433 dissect_isup_information_request_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3434 offset += INFO_REQUEST_IND_LENGTH;
3437 /* ------------------------------------------------------------------
3438 Dissector Message Type Information
3441 dissect_isup_information_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3442 { proto_item* parameter_item;
3443 proto_tree* parameter_tree;
3444 tvbuff_t *parameter_tvb;
3446 gint parameter_type, actual_length;
3448 /* Do stuff for first mandatory fixed parameter: Information indicators*/
3449 parameter_type = PARAM_TYPE_INFO_IND;
3450 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3452 "Information indicators");
3453 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3454 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3455 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3456 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(INFO_IND_LENGTH, actual_length), INFO_IND_LENGTH);
3457 dissect_isup_information_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3458 offset += INFO_IND_LENGTH;
3461 /* ------------------------------------------------------------------
3462 Dissector Message Type Continuity
3465 dissect_isup_continuity_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3466 { proto_item* parameter_item;
3467 proto_tree* parameter_tree;
3468 tvbuff_t *parameter_tvb;
3470 gint parameter_type, actual_length;
3472 /* Do stuff for first mandatory fixed parameter: Continuity indicators*/
3473 parameter_type = PARAM_TYPE_CONTINUITY_IND;
3474 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3475 CONTINUITY_IND_LENGTH,
3476 "Continuity indicators");
3477 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3478 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3479 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3480 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(CONTINUITY_IND_LENGTH, actual_length), CONTINUITY_IND_LENGTH);
3481 dissect_isup_continuity_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3482 offset += CONTINUITY_IND_LENGTH;
3485 /* ------------------------------------------------------------------
3486 Dissector Message Type Address complete
3489 dissect_isup_address_complete_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3490 { proto_item* parameter_item;
3491 proto_tree* parameter_tree;
3492 tvbuff_t *parameter_tvb;
3494 gint parameter_type, actual_length;
3496 /* Do stuff for first mandatory fixed parameter: backward call indicators*/
3497 parameter_type = PARAM_TYPE_BACKW_CALL_IND;
3498 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3499 BACKWARD_CALL_IND_LENGTH,
3500 "Backward Call Indicators");
3501 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3502 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3503 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3504 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(BACKWARD_CALL_IND_LENGTH, actual_length), BACKWARD_CALL_IND_LENGTH);
3505 dissect_isup_backward_call_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3506 offset += BACKWARD_CALL_IND_LENGTH;
3509 /* ------------------------------------------------------------------
3510 Dissector Message Type Connect
3513 dissect_isup_connect_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3514 { proto_item* parameter_item;
3515 proto_tree* parameter_tree;
3516 tvbuff_t *parameter_tvb;
3518 gint parameter_type, actual_length;
3520 /* Do stuff for first mandatory fixed parameter: backward call indicators*/
3521 parameter_type = PARAM_TYPE_BACKW_CALL_IND;
3522 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3523 BACKWARD_CALL_IND_LENGTH,
3524 "Backward Call Indicators");
3525 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3526 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3527 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3528 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(BACKWARD_CALL_IND_LENGTH, actual_length), BACKWARD_CALL_IND_LENGTH);
3529 dissect_isup_backward_call_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3530 offset += BACKWARD_CALL_IND_LENGTH;
3533 /* ------------------------------------------------------------------
3534 Dissector Message Type release message
3537 dissect_isup_release_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3538 { proto_item* parameter_item;
3539 proto_tree* parameter_tree;
3540 tvbuff_t *parameter_tvb;
3542 gint parameter_type, parameter_pointer, parameter_length, actual_length;
3544 /* Do stuff for mandatory variable parameter Cause indicators */
3545 parameter_type = PARAM_TYPE_CAUSE_INDICATORS;
3547 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3548 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3550 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3551 offset + parameter_pointer,
3552 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3553 "Cause indicators, see Q.850");
3554 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3555 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3556 proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
3557 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
3558 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3559 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3560 dissect_isup_cause_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3561 offset += PARAMETER_POINTER_LENGTH;
3565 /* ------------------------------------------------------------------
3566 Dissector Message Type Resume/Suspend
3569 dissect_isup_suspend_resume_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3570 { proto_item* parameter_item;
3571 proto_tree* parameter_tree;
3572 tvbuff_t *parameter_tvb;
3574 gint parameter_type, actual_length;
3576 /* Do stuff for first mandatory fixed parameter: backward call indicators*/
3577 parameter_type = PARAM_TYPE_SUSP_RESUME_IND;
3578 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3579 SUSPEND_RESUME_IND_LENGTH,
3580 "Suspend/Resume indicator");
3581 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3582 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3583 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3584 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(SUSPEND_RESUME_IND_LENGTH, actual_length), SUSPEND_RESUME_IND_LENGTH);
3585 dissect_isup_suspend_resume_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3586 offset += SUSPEND_RESUME_IND_LENGTH;
3589 /* ------------------------------------------------------------------
3590 Dissector Message Type Circuit group reset/query message
3593 dissect_isup_circuit_group_reset_query_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3594 { proto_item* parameter_item;
3595 proto_tree* parameter_tree;
3596 tvbuff_t *parameter_tvb;
3598 gint parameter_type, parameter_pointer, parameter_length, actual_length;
3600 /* Do stuff for mandatory variable parameter range and status*/
3601 parameter_type = PARAM_TYPE_RANGE_AND_STATUS;
3603 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3604 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3606 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3607 offset + parameter_pointer,
3608 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3609 "Range and status");
3610 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3611 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3612 proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
3613 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
3614 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3615 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3616 dissect_isup_range_and_status_parameter(parameter_tvb, parameter_tree, parameter_item);
3617 offset += PARAMETER_POINTER_LENGTH;
3621 /* ------------------------------------------------------------------
3622 Dissector Message Type Circuit group blocking/blocking ack/unblocking/unblocking ack messages
3625 dissect_isup_circuit_group_blocking_messages(tvbuff_t *message_tvb, proto_tree *isup_tree)
3626 { proto_item* parameter_item;
3627 proto_tree* parameter_tree;
3628 tvbuff_t *parameter_tvb;
3630 gint parameter_type, parameter_pointer, parameter_length, actual_length;
3632 /* Do stuff for first mandatory fixed parameter: circuit group supervision message type*/
3633 parameter_type = PARAM_TYPE_CIRC_GRP_SV_MSG_TYPE;
3634 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3635 CIRC_GRP_SV_MSG_TYPE_LENGTH,
3636 "Circuit group supervision message type");
3637 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3638 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3639 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3640 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(CIRC_GRP_SV_MSG_TYPE_LENGTH, actual_length), CIRC_GRP_SV_MSG_TYPE_LENGTH);
3641 dissect_isup_circuit_group_supervision_message_type_parameter(parameter_tvb, parameter_tree, parameter_item);
3642 offset += CIRC_GRP_SV_MSG_TYPE_LENGTH;
3644 /* Do stuff for mandatory variable parameter range and status*/
3645 parameter_type = PARAM_TYPE_RANGE_AND_STATUS;
3647 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3648 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3650 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3651 offset + parameter_pointer,
3652 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3653 "Facility indicator");
3654 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3655 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3656 proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
3657 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
3658 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3659 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3660 dissect_isup_facility_ind_parameter(parameter_tvb, parameter_item);
3661 offset += PARAMETER_POINTER_LENGTH;
3666 /* ------------------------------------------------------------------
3667 Dissector Message Type Facility request/accepted
3670 dissect_isup_facility_request_accepted_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3671 { proto_item* parameter_item;
3672 proto_tree* parameter_tree;
3673 tvbuff_t *parameter_tvb;
3675 gint parameter_type, actual_length;
3677 /* Do stuff for first mandatory fixed parameter: facility indicators*/
3678 parameter_type = PARAM_TYPE_FACILITY_IND;
3679 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3680 FACILITY_IND_LENGTH,
3681 "Facility indicator");
3682 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3683 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3684 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3685 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(FACILITY_IND_LENGTH, actual_length), FACILITY_IND_LENGTH);
3686 dissect_isup_facility_ind_parameter(parameter_tvb, parameter_item);
3687 offset += FACILITY_IND_LENGTH;
3690 /* ------------------------------------------------------------------
3691 Dissector Message Type Facility reject
3694 dissect_isup_facility_reject_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3695 { proto_item* parameter_item;
3696 proto_tree* parameter_tree;
3697 tvbuff_t *parameter_tvb;
3699 gint parameter_type, parameter_pointer, parameter_length, actual_length;
3701 /* Do stuff for first mandatory fixed parameter: facility indicators*/
3702 parameter_type = PARAM_TYPE_FACILITY_IND;
3703 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3704 FACILITY_IND_LENGTH,
3705 "Facility indicator");
3706 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3707 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3708 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3709 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(FACILITY_IND_LENGTH, actual_length), FACILITY_IND_LENGTH);
3710 dissect_isup_facility_ind_parameter(parameter_tvb, parameter_item);
3711 offset += FACILITY_IND_LENGTH;
3713 /* Do stuff for mandatory variable parameter Cause indicators */
3714 parameter_type = PARAM_TYPE_CAUSE_INDICATORS;
3716 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3717 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3719 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3720 offset + parameter_pointer,
3721 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3722 "Cause indicators, see Q.850");
3723 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3724 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3725 proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
3726 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
3727 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3728 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3729 dissect_isup_cause_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3730 offset += PARAMETER_POINTER_LENGTH;
3734 /* ------------------------------------------------------------------
3735 Dissector Message Type Circuit group reset acknowledgement message
3738 dissect_isup_circuit_group_reset_acknowledgement_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3739 { proto_item* parameter_item;
3740 proto_tree* parameter_tree;
3741 tvbuff_t *parameter_tvb;
3743 gint parameter_type, parameter_pointer, parameter_length, actual_length;
3745 /* Do stuff for mandatory variable parameter range and status*/
3746 parameter_type = PARAM_TYPE_RANGE_AND_STATUS;
3748 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3749 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3751 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3752 offset + parameter_pointer,
3753 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3754 "Range and status");
3755 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3756 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3757 proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
3758 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
3759 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3760 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3761 dissect_isup_range_and_status_parameter(parameter_tvb, parameter_tree, parameter_item);
3762 offset += PARAMETER_POINTER_LENGTH;
3766 /* ------------------------------------------------------------------
3767 Dissector Message Type Circuit group query response message
3770 dissect_isup_circuit_group_query_response_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3771 { proto_item* parameter_item;
3772 proto_tree* parameter_tree;
3773 tvbuff_t *parameter_tvb;
3775 gint parameter_type, parameter_pointer, parameter_length, actual_length;
3777 /* Do stuff for 1. mandatory variable parameter range and status*/
3778 parameter_type = PARAM_TYPE_RANGE_AND_STATUS;
3780 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3781 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3783 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3784 offset + parameter_pointer,
3785 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3786 "Range and status");
3787 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3788 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3789 proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
3790 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
3791 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3792 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3793 dissect_isup_range_and_status_parameter(parameter_tvb, parameter_tree, parameter_item);
3794 offset += PARAMETER_POINTER_LENGTH;
3796 /* Do stuff for 2. mandatory variable parameter Circuit state indicator*/
3797 parameter_type = PARAM_TYPE_CIRC_STATE_IND;
3799 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3800 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3802 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3803 offset + parameter_pointer,
3804 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3805 "Circuit state indicator (national use)");
3806 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3807 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3808 proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
3809 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
3810 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3811 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3812 dissect_isup_circuit_state_ind_parameter(parameter_tvb, parameter_tree, parameter_item);
3813 offset += PARAMETER_POINTER_LENGTH;
3817 /* ------------------------------------------------------------------
3818 Dissector Message Type Call Progress
3821 dissect_isup_call_progress_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3822 { proto_item* parameter_item;
3823 proto_tree* parameter_tree;
3824 tvbuff_t *parameter_tvb;
3826 gint parameter_type, actual_length;
3828 /* Do stuff for first mandatory fixed parameter: Event information*/
3829 parameter_type = PARAM_TYPE_EVENT_INFO;
3830 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3832 "Event information");
3833 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3834 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3835 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3836 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(EVENT_INFO_LENGTH, actual_length), EVENT_INFO_LENGTH);
3837 dissect_isup_event_information_parameter(parameter_tvb, parameter_tree, parameter_item);
3838 offset += EVENT_INFO_LENGTH;
3841 /* ------------------------------------------------------------------
3842 Dissector Message Type User-to-User information
3845 dissect_isup_user_to_user_information_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3846 { proto_item* parameter_item;
3847 proto_tree* parameter_tree;
3848 tvbuff_t *parameter_tvb;
3850 gint parameter_type, parameter_pointer, parameter_length, actual_length;
3852 /* Do stuff for mandatory variable parameter User-to-user information*/
3853 parameter_type = PARAM_TYPE_USER_TO_USER_INFO;
3855 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3856 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3858 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3859 offset + parameter_pointer,
3860 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3861 "User-to-user information, see Q.931");
3862 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3863 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3864 proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
3865 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
3866 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3867 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3868 dissect_isup_user_to_user_information_parameter(parameter_tvb, parameter_tree, parameter_item);
3869 offset += PARAMETER_POINTER_LENGTH;
3873 /* ------------------------------------------------------------------
3874 Dissector Message Type Confusion
3877 dissect_isup_confusion_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3878 { proto_item* parameter_item;
3879 proto_tree* parameter_tree;
3880 tvbuff_t *parameter_tvb;
3882 gint parameter_type, parameter_pointer, parameter_length, actual_length;
3884 /* Do stuff for mandatory variable parameter Cause indicators */
3885 parameter_type = PARAM_TYPE_CAUSE_INDICATORS;
3887 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3888 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3890 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3891 offset + parameter_pointer,
3892 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3893 "Cause indicators, see Q.850");
3894 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3895 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
3896 proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
3897 proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
3898 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3899 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3900 dissect_isup_cause_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3901 offset += PARAMETER_POINTER_LENGTH;
3905 /* ------------------------------------------------------------------ */
3907 dissect_isup_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *isup_tree)
3909 tvbuff_t *parameter_tvb;
3910 tvbuff_t *optional_parameter_tvb;
3911 proto_item* pass_along_item;
3912 proto_tree* pass_along_tree;
3913 gint offset, bufferlength;
3914 guint8 message_type, opt_parameter_pointer;
3915 gint opt_part_possible = FALSE; /* default setting - for message types allowing optional
3916 params explicitely set to TRUE in case statement */
3919 /* Extract message type field */
3920 message_type = tvb_get_guint8(message_tvb,0);
3922 proto_tree_add_uint_format(isup_tree, hf_isup_message_type, message_tvb, 0, MESSAGE_TYPE_LENGTH, message_type, "Message type: %s (%u)", val_to_str(message_type, isup_message_type_value, "reserved"), message_type);
3923 offset += MESSAGE_TYPE_LENGTH;
3925 bufferlength = tvb_ensure_length_remaining(message_tvb, offset);
3926 parameter_tvb = tvb_new_subset(message_tvb, offset, bufferlength, bufferlength);
3928 /* distinguish between message types:*/
3929 switch (message_type) {
3930 case MESSAGE_TYPE_INITIAL_ADDR:
3931 offset += dissect_isup_initial_address_message(parameter_tvb, isup_tree);
3932 opt_part_possible = TRUE;
3934 case MESSAGE_TYPE_SUBSEQ_ADDR:
3935 offset += dissect_isup_subsequent_address_message(parameter_tvb, isup_tree);
3936 opt_part_possible = TRUE;
3938 case MESSAGE_TYPE_INFO_REQ:
3939 offset += dissect_isup_information_request_message(parameter_tvb, isup_tree);
3940 opt_part_possible = TRUE;
3942 case MESSAGE_TYPE_INFO:
3943 offset += dissect_isup_information_message(parameter_tvb, isup_tree);
3944 opt_part_possible = TRUE;
3946 case MESSAGE_TYPE_CONTINUITY:
3947 offset += dissect_isup_continuity_message(parameter_tvb, isup_tree);
3949 case MESSAGE_TYPE_ADDR_CMPL:
3950 offset += dissect_isup_address_complete_message(parameter_tvb, isup_tree);
3951 opt_part_possible = TRUE;
3953 case MESSAGE_TYPE_CONNECT:
3954 offset += dissect_isup_connect_message(parameter_tvb, isup_tree);
3955 opt_part_possible = TRUE;
3957 case MESSAGE_TYPE_FORW_TRANS:
3958 /* no dissector necessary since no mandatory parameters included */
3959 opt_part_possible = TRUE;
3961 case MESSAGE_TYPE_ANSWER:
3962 /* no dissector necessary since no mandatory parameters included */
3963 opt_part_possible = TRUE;
3965 case MESSAGE_TYPE_RELEASE:
3966 offset += dissect_isup_release_message(parameter_tvb, isup_tree);
3967 opt_part_possible = TRUE;
3969 case MESSAGE_TYPE_SUSPEND:
3970 offset += dissect_isup_suspend_resume_message(parameter_tvb, isup_tree);
3971 opt_part_possible = TRUE;
3973 case MESSAGE_TYPE_RESUME:
3974 offset += dissect_isup_suspend_resume_message(parameter_tvb, isup_tree);
3975 opt_part_possible = TRUE;
3977 case MESSAGE_TYPE_REL_CMPL:
3978 /* no dissector necessary since no mandatory parameters included */
3979 opt_part_possible = TRUE;
3981 case MESSAGE_TYPE_CONT_CHECK_REQ:
3982 /* no dissector necessary since no mandatory parameters included */
3984 case MESSAGE_TYPE_RESET_CIRCUIT:
3985 /* no dissector necessary since no mandatory parameters included */
3987 case MESSAGE_TYPE_BLOCKING:
3988 /* no dissector necessary since no mandatory parameters included */
3990 case MESSAGE_TYPE_UNBLOCKING:
3991 /* no dissector necessary since no mandatory parameters included */
3993 case MESSAGE_TYPE_BLOCK_ACK:
3994 /* no dissector necessary since no mandatory parameters included */
3996 case MESSAGE_TYPE_UNBLOCK_ACK:
3997 /* no dissector necessary since no mandatory parameters included */
3999 case MESSAGE_TYPE_CIRC_GRP_RST:
4000 offset += dissect_isup_circuit_group_reset_query_message(parameter_tvb, isup_tree);
4002 case MESSAGE_TYPE_CIRC_GRP_BLCK:
4003 offset += dissect_isup_circuit_group_blocking_messages(parameter_tvb, isup_tree);
4005 case MESSAGE_TYPE_CIRC_GRP_UNBL:
4006 offset += dissect_isup_circuit_group_blocking_messages(parameter_tvb, isup_tree);
4008 case MESSAGE_TYPE_CIRC_GRP_BL_ACK:
4009 offset += dissect_isup_circuit_group_blocking_messages(parameter_tvb, isup_tree);
4011 case MESSAGE_TYPE_CIRC_GRP_UNBL_ACK:
4012 offset += dissect_isup_circuit_group_blocking_messages(parameter_tvb, isup_tree);
4014 case MESSAGE_TYPE_FACILITY_REQ:
4015 offset += dissect_isup_facility_request_accepted_message(parameter_tvb, isup_tree);
4016 opt_part_possible = TRUE;
4018 case MESSAGE_TYPE_FACILITY_ACC:
4019 offset += dissect_isup_facility_request_accepted_message(parameter_tvb, isup_tree);
4020 opt_part_possible = TRUE;
4022 case MESSAGE_TYPE_FACILITY_REJ:
4023 offset += dissect_isup_facility_reject_message(parameter_tvb, isup_tree);
4024 opt_part_possible = TRUE;
4026 case MESSAGE_TYPE_LOOP_BACK_ACK:
4027 /* no dissector necessary since no mandatory parameters included */
4029 case MESSAGE_TYPE_PASS_ALONG:
4030 /* call dissect_isup_message recursively */
4031 { guint8 pa_message_type;
4032 pa_message_type = tvb_get_guint8(parameter_tvb, 0);
4033 pass_along_item = proto_tree_add_text(isup_tree, parameter_tvb, offset, -1, "Pass-along: %s Message (%u)", val_to_str(pa_message_type, isup_message_type_value_acro, "reserved"), pa_message_type);
4034 pass_along_tree = proto_item_add_subtree(pass_along_item, ett_isup_pass_along_message);
4035 dissect_isup_message(parameter_tvb, pinfo, pass_along_tree);
4038 case MESSAGE_TYPE_CIRC_GRP_RST_ACK:
4039 offset += dissect_isup_circuit_group_reset_acknowledgement_message(parameter_tvb, isup_tree);
4041 case MESSAGE_TYPE_CIRC_GRP_QRY:
4042 offset += dissect_isup_circuit_group_reset_query_message(parameter_tvb, isup_tree);
4044 case MESSAGE_TYPE_CIRC_GRP_QRY_RSP:
4045 offset += dissect_isup_circuit_group_query_response_message(parameter_tvb, isup_tree);
4047 case MESSAGE_TYPE_CALL_PROGRSS:
4048 offset += dissect_isup_call_progress_message(parameter_tvb, isup_tree);
4049 opt_part_possible = TRUE;
4051 case MESSAGE_TYPE_USER2USER_INFO:
4052 offset += dissect_isup_user_to_user_information_message(parameter_tvb, isup_tree);
4053 opt_part_possible = TRUE;
4055 case MESSAGE_TYPE_UNEQUIPPED_CIC:
4056 /* no dissector necessary since no mandatory parameters included */
4058 case MESSAGE_TYPE_CONFUSION:
4059 offset += dissect_isup_confusion_message(parameter_tvb, isup_tree);
4060 opt_part_possible = TRUE;
4062 case MESSAGE_TYPE_OVERLOAD:
4063 /* no dissector necessary since no mandatory parameters included */
4065 case MESSAGE_TYPE_CHARGE_INFO:
4066 /* do nothing since format is a national matter */
4067 proto_tree_add_text(isup_tree, parameter_tvb, 0, bufferlength, "Format is a national matter");
4069 case MESSAGE_TYPE_NETW_RESRC_MGMT:
4070 /* no dissector necessary since no mandatory parameters included */
4071 opt_part_possible = TRUE;
4073 case MESSAGE_TYPE_FACILITY:
4074 /* no dissector necessary since no mandatory parameters included */
4075 opt_part_possible = TRUE;
4077 case MESSAGE_TYPE_USER_PART_TEST:
4078 /* no dissector necessary since no mandatory parameters included */
4079 opt_part_possible = TRUE;
4081 case MESSAGE_TYPE_USER_PART_AVAIL:
4082 /* no dissector necessary since no mandatory parameters included */
4083 opt_part_possible = TRUE;
4085 case MESSAGE_TYPE_IDENT_REQ:
4086 /* no dissector necessary since no mandatory parameters included */
4087 opt_part_possible = TRUE;
4089 case MESSAGE_TYPE_IDENT_RSP:
4090 /* no dissector necessary since no mandatory parameters included */
4091 opt_part_possible = TRUE;
4093 case MESSAGE_TYPE_SEGMENTATION:
4094 /* no dissector necessary since no mandatory parameters included */
4095 opt_part_possible = TRUE;
4097 case MESSAGE_TYPE_LOOP_PREVENTION:
4098 /* no dissector necessary since no mandatory parameters included */
4099 opt_part_possible = TRUE;
4102 proto_tree_add_text(isup_tree, parameter_tvb, 0, bufferlength, "Unknown Message type (possibly reserved/used in former ISUP version)");
4106 /* extract pointer to start of optional part (if any) */
4107 if (opt_part_possible == TRUE){
4108 opt_parameter_pointer = tvb_get_guint8(message_tvb, offset);
4109 if (opt_parameter_pointer > 0){
4110 proto_tree_add_uint_format(isup_tree, hf_isup_pointer_to_start_of_optional_part, message_tvb, offset, PARAMETER_POINTER_LENGTH, opt_parameter_pointer, "Pointer to start of optional part: %u", opt_parameter_pointer);
4111 offset += opt_parameter_pointer;
4112 optional_parameter_tvb = tvb_new_subset(message_tvb, offset, -1, -1 );
4113 dissect_isup_optional_parameter(optional_parameter_tvb, isup_tree);
4116 proto_tree_add_uint_format(isup_tree, hf_isup_pointer_to_start_of_optional_part, message_tvb, offset, PARAMETER_POINTER_LENGTH, opt_parameter_pointer, "No optional parameter present (Pointer: %u)", opt_parameter_pointer);
4118 else if (message_type !=MESSAGE_TYPE_CHARGE_INFO)
4119 proto_tree_add_text(isup_tree, message_tvb, 0, 0, "No optional parameters are possible with this message type");
4123 /* ------------------------------------------------------------------ */
4125 dissect_isup(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
4128 /* Set up structures needed to add the protocol subtree and manage it */
4130 proto_tree *isup_tree;
4131 tvbuff_t *message_tvb;
4133 guint8 message_type;
4135 /* Make entries in Protocol column and Info column on summary display */
4136 if (check_col(pinfo->cinfo, COL_PROTOCOL))
4137 col_set_str(pinfo->cinfo, COL_PROTOCOL, "ISUP");
4139 /* Extract message type field */
4140 message_type = tvb_get_guint8(tvb, CIC_OFFSET + CIC_LENGTH);
4142 if (check_col(pinfo->cinfo, COL_INFO))
4143 col_add_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str(message_type, isup_message_type_value_acro, "reserved"));
4145 /* In the interest of speed, if "tree" is NULL, don't do any work not
4146 necessary to generate protocol tree items. */
4148 ti = proto_tree_add_item(tree, proto_isup, tvb, 0, -1, FALSE);
4149 isup_tree = proto_item_add_subtree(ti, ett_isup);
4151 /* dissect CIC in main dissector since pass-along message type carrying complete IUSP message w/o CIC needs
4152 recursive message dissector call */
4153 cic = tvb_get_letohs(tvb, CIC_OFFSET) & 0x0FFF; /*since upper 4 bits spare */
4155 proto_tree_add_uint_format(isup_tree, hf_isup_cic, tvb, CIC_OFFSET, CIC_LENGTH, cic, "CIC: %u", cic);
4157 message_tvb = tvb_new_subset(tvb, CIC_LENGTH, -1, -1);
4158 dissect_isup_message(message_tvb, pinfo, isup_tree);
4163 /*---------------------------------------------------------------------*/
4164 /* Register the protocol with Ethereal */
4166 proto_register_isup(void)
4168 /* Setup list of header fields See Section 1.6.1 for details*/
4169 static hf_register_info hf[] = {
4171 { "CIC", "isup.cic",
4172 FT_UINT16, BASE_HEX, NULL, 0x0,
4175 { &hf_isup_message_type,
4176 { "Message Type", "isup.message_type",
4177 FT_UINT8, BASE_DEC, NULL, 0x0,
4180 { &hf_isup_parameter_type,
4181 { "Parameter Type", "isup.parameter_type",
4182 FT_UINT8, BASE_DEC, NULL, 0x0,
4185 { &hf_isup_parameter_length,
4186 { "Parameter Length", "isup.parameter_length",
4187 FT_UINT8, BASE_DEC, NULL, 0x0,
4190 { &hf_isup_mandatory_variable_parameter_pointer,
4191 { "Pointer to Parameter", "isup.mandatory_variable_parameter_pointer",
4192 FT_UINT8, BASE_DEC, NULL, 0x0,
4195 { &hf_isup_pointer_to_start_of_optional_part,
4196 { "Pointer to optional parameter part", "isup.optional_parameter_part_pointer",
4197 FT_UINT8, BASE_DEC, NULL, 0x0,
4200 { &hf_isup_satellite_indicator,
4201 { "Satellite Indicator", "isup.satellite_indicator",
4202 FT_UINT8, BASE_HEX, VALS(isup_satellite_ind_value), BA_8BIT_MASK,
4205 { &hf_isup_continuity_check_indicator,
4206 { "Continuity Check Indicator", "isup.continuity_check_indicator",
4207 FT_UINT8, BASE_HEX, VALS(isup_continuity_check_ind_value), DC_8BIT_MASK,
4210 { &hf_isup_echo_control_device_indicator,
4211 { "Echo Control Device Indicator", "isup.echo_control_device_indicator",
4212 FT_BOOLEAN, 8, TFS(&isup_echo_control_device_ind_value),E_8BIT_MASK,
4215 { &hf_isup_forw_call_natnl_inatnl_call_indicator,
4216 { "National/international call indicator", "isup.forw_call_natnl_inatnl_call_indicator",
4217 FT_BOOLEAN, 16, TFS(&isup_natnl_inatnl_call_ind_value),A_16BIT_MASK,
4220 { &hf_isup_forw_call_end_to_end_method_indicator,
4221 { "End-to-end method indicator", "isup.forw_call_end_to_end_method_indicator",
4222 FT_UINT16, BASE_HEX, VALS(isup_end_to_end_method_ind_value), CB_16BIT_MASK,
4225 { &hf_isup_forw_call_interworking_indicator,
4226 { "Interworking indicator", "isup.forw_call_interworking_indicator",
4227 FT_BOOLEAN, 16, TFS(&isup_interworking_ind_value), D_16BIT_MASK,
4230 { &hf_isup_forw_call_end_to_end_info_indicator,
4231 { "End-to-end information indicator", "isup.forw_call_end_to_end_information_indicator",
4232 FT_BOOLEAN, 16, TFS(&isup_end_to_end_info_ind_value), E_16BIT_MASK,
4235 { &hf_isup_forw_call_isdn_user_part_indicator,
4236 { "ISDN user part indicator", "isup.forw_call_isdn_user_part_indicator",
4237 FT_BOOLEAN, 16, TFS(&isup_ISDN_user_part_ind_value), F_16BIT_MASK,
4240 { &hf_isup_forw_call_preferences_indicator,
4241 { "ISDN user part preference indicator", "isup.forw_call_preferences_indicator",
4242 FT_UINT16, BASE_HEX, VALS(isup_preferences_ind_value), HG_16BIT_MASK,
4245 { &hf_isup_forw_call_isdn_access_indicator,
4246 { "ISDN access indicator", "isup.forw_call_isdn_access_indicator",
4247 FT_BOOLEAN, 16, TFS(&isup_ISDN_originating_access_ind_value), I_16BIT_MASK,
4250 { &hf_isup_forw_call_sccp_method_indicator,
4251 { "SCCP method indicator", "isup.forw_call_sccp_method_indicator",
4252 FT_UINT16, BASE_HEX, VALS(isup_SCCP_method_ind_value), KJ_16BIT_MASK,
4255 { &hf_isup_calling_partys_category,
4256 { "Calling Party's category", "isup.calling_partys_category",
4257 FT_UINT8, BASE_HEX, VALS(isup_calling_partys_category_value), 0x0,
4260 { &hf_isup_transmission_medium_requirement,
4261 { "Transmission medium requirement", "isup.transmission_medium_requirement",
4262 FT_UINT8, BASE_DEC, VALS(isup_transmission_medium_requirement_value), 0x0,
4265 { &hf_isup_odd_even_indicator,
4266 { "Odd/even indicator", "isup.isdn_odd_even_indicator",
4267 FT_BOOLEAN, 8, TFS(&isup_odd_even_ind_value), ISUP_ODD_EVEN_MASK,
4270 { &hf_isup_called_party_nature_of_address_indicator,
4271 { "Nature of address indicator", "isup.called_party_nature_of_address_indicator",
4272 FT_UINT8, BASE_DEC, VALS(isup_called_party_nature_of_address_ind_value), ISUP_NATURE_OF_ADDRESS_IND_MASK,
4275 { &hf_isup_calling_party_nature_of_address_indicator,
4276 { "Nature of address indicator", "isup.calling_party_nature_of_address_indicator",
4277 FT_UINT8, BASE_DEC, VALS(isup_calling_party_nature_of_address_ind_value), ISUP_NATURE_OF_ADDRESS_IND_MASK,
4280 { &hf_isup_inn_indicator,
4281 { "INN indicator", "isup.inn_indicator",
4282 FT_BOOLEAN, 8, TFS(&isup_INN_ind_value), ISUP_INN_MASK,
4285 { &hf_isup_ni_indicator,
4286 { "NI indicator", "isup.ni_indicator",
4287 FT_BOOLEAN, 8, TFS(&isup_NI_ind_value), ISUP_NI_MASK,
4290 { &hf_isup_numbering_plan_indicator,
4291 { "Numbering plan indicator", "isup.numbering_plan_indicator",
4292 FT_UINT8, BASE_DEC, VALS(isup_numbering_plan_ind_value), ISUP_NUMBERING_PLAN_IND_MASK,
4295 { &hf_isup_address_presentation_restricted_indicator,
4296 { "Address presentation restricted indicator", "isup.address_presentation_restricted_indicator",
4297 FT_UINT8, BASE_DEC, VALS(isup_address_presentation_restricted_ind_value), ISUP_ADDRESS_PRESENTATION_RESTR_IND_MASK,
4300 { &hf_isup_screening_indicator,
4301 { "Screening indicator", "isup.screening_indicator",
4302 FT_UINT8, BASE_DEC, VALS(isup_screening_ind_value), ISUP_SCREENING_IND_MASK,
4305 { &hf_isup_screening_indicator_enhanced,
4306 { "Screening indicator", "isup.screening_indicator_enhanced",
4307 FT_UINT8, BASE_DEC, VALS(isup_screening_ind_enhanced_value), ISUP_SCREENING_IND_MASK,
4310 { &hf_isup_called_party_odd_address_signal_digit,
4311 { "Address signal digit", "isup.called_party_odd_address_signal_digit",
4312 FT_UINT8, BASE_DEC, VALS(isup_called_party_address_digit_value), ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK,
4315 { &hf_isup_calling_party_odd_address_signal_digit,
4316 { "Address signal digit", "isup.calling_party_odd_address_signal_digit",
4317 FT_UINT8, BASE_DEC, VALS(isup_calling_party_address_digit_value), ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK,
4320 { &hf_isup_called_party_even_address_signal_digit,
4321 { "Address signal digit", "isup.called_party_even_address_signal_digit",
4322 FT_UINT8, BASE_DEC, VALS(isup_called_party_address_digit_value), ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK,
4325 { &hf_isup_calling_party_even_address_signal_digit,
4326 { "Address signal digit", "isup.calling_party_even_address_signal_digit",
4327 FT_UINT8, BASE_DEC, VALS(isup_calling_party_address_digit_value), ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK,
4330 { &hf_isup_calling_party_address_request_indicator,
4331 { "Calling party address request indicator", "isup.calling_party_address_request_indicator",
4332 FT_BOOLEAN, 16, TFS(&isup_calling_party_address_request_ind_value), A_16BIT_MASK,
4335 { &hf_isup_info_req_holding_indicator,
4336 { "Holding indicator", "isup.info_req_holding_indicator",
4337 FT_BOOLEAN, 16, TFS(&isup_holding_ind_value), B_16BIT_MASK,
4340 { &hf_isup_calling_partys_category_request_indicator,
4341 { "Calling party's category request indicator", "isup.calling_partys_category_request_indicator",
4342 FT_BOOLEAN, 16, TFS(&isup_calling_partys_category_request_ind_value), D_16BIT_MASK,
4345 { &hf_isup_charge_information_request_indicator,
4346 { "Charge information request indicator", "isup.charge_information_request_indicator",
4347 FT_BOOLEAN, 16, TFS(&isup_charge_information_request_ind_value), E_16BIT_MASK,
4350 { &hf_isup_malicious_call_identification_request_indicator,
4351 { "Malicious call identification request indicator (ISUP'88)", "isup.malicious_call_ident_request_indicator",
4352 FT_BOOLEAN, 16, TFS(&isup_malicious_call_identification_request_ind_value), H_16BIT_MASK,
4355 { &hf_isup_calling_party_address_response_indicator,
4356 { "Calling party address response indicator", "isup.calling_party_address_response_indicator",
4357 FT_UINT16, BASE_HEX, VALS(isup_calling_party_address_response_ind_value), BA_16BIT_MASK,
4360 { &hf_isup_hold_provided_indicator,
4361 { "Hold provided indicator", "isup.hold_provided_indicator",
4362 FT_BOOLEAN, 16, TFS(&isup_hold_provided_ind_value), C_16BIT_MASK,
4365 { &hf_isup_calling_partys_category_response_indicator,
4366 { "Calling party's category response indicator", "isup.calling_partys_category_response_indicator",
4367 FT_BOOLEAN, 16, TFS(&isup_calling_partys_category_response_ind_value), F_16BIT_MASK,
4370 { &hf_isup_charge_information_response_indicator,
4371 { "Charge information response indicator", "isup.charge_information_response_indicator",
4372 FT_BOOLEAN, 16, TFS(&isup_charge_information_response_ind_value), G_16BIT_MASK,
4375 { &hf_isup_solicited_indicator,
4376 { "Solicited indicator", "isup.solicided_indicator",
4377 FT_BOOLEAN, 16, TFS(&isup_solicited_information_ind_value), H_16BIT_MASK,
4380 { &hf_isup_continuity_indicator,
4381 { "Continuity indicator", "isup.continuity_indicator",
4382 FT_BOOLEAN, 8, TFS(&isup_continuity_ind_value), A_8BIT_MASK,
4385 { &hf_isup_backw_call_charge_ind,
4386 { "Charge indicator", "isup.charge_indicator",
4387 FT_UINT16, BASE_HEX, VALS(isup_charge_ind_value), BA_16BIT_MASK,
4390 { &hf_isup_backw_call_called_partys_status_ind,
4391 { "Called party's status indicator", "isup.called_partys_status_indicator",
4392 FT_UINT16, BASE_HEX, VALS(isup_called_partys_status_ind_value), DC_16BIT_MASK,
4395 { &hf_isup_backw_call_called_partys_category_ind,
4396 { "Called party's category indicator", "isup.called_partys_category_indicator",
4397 FT_UINT16, BASE_HEX, VALS(isup_called_partys_category_ind_value), FE_16BIT_MASK,
4400 { &hf_isup_backw_call_end_to_end_method_ind,
4401 { "End-to-end method indicator", "isup.backw_call_end_to_end_method_indicator",
4402 FT_UINT16, BASE_HEX, VALS(isup_end_to_end_method_ind_value), HG_16BIT_MASK,
4405 { &hf_isup_backw_call_interworking_ind,
4406 { "Interworking indicator", "isup.backw_call_interworking_indicator",
4407 FT_BOOLEAN, 16, TFS(&isup_interworking_ind_value), I_16BIT_MASK,
4410 { &hf_isup_backw_call_end_to_end_info_ind,
4411 { "End-to-end information indicator", "isup.backw_call_end_to_end_information_indicator",
4412 FT_BOOLEAN, 16, TFS(&isup_end_to_end_info_ind_value), J_16BIT_MASK,
4415 { &hf_isup_backw_call_isdn_user_part_ind,
4416 { "ISDN user part indicator", "isup.backw_call_isdn_user_part_indicator",
4417 FT_BOOLEAN, 16, TFS(&isup_ISDN_user_part_ind_value), K_16BIT_MASK,
4420 { &hf_isup_backw_call_holding_ind,
4421 { "Holding indicator", "isup.backw_call_holding_indicator",
4422 FT_BOOLEAN, 16, TFS(&isup_holding_ind_value), L_16BIT_MASK,
4425 { &hf_isup_backw_call_isdn_access_ind,
4426 { "ISDN access indicator", "isup.backw_call_isdn_access_indicator",
4427 FT_BOOLEAN, 16, TFS(&isup_ISDN_terminating_access_ind_value), M_16BIT_MASK,
4430 { &hf_isup_backw_call_echo_control_device_ind,
4431 { "Echo Control Device Indicator", "isup.backw_call_echo_control_device_indicator",
4432 FT_BOOLEAN, 16, TFS(&isup_echo_control_device_ind_value), N_16BIT_MASK,
4435 { &hf_isup_backw_call_sccp_method_ind,
4436 { "SCCP method indicator", "isup.backw_call_sccp_method_indicator",
4437 FT_UINT16, BASE_HEX, VALS(isup_SCCP_method_ind_value), PO_16BIT_MASK,
4440 { &hf_isup_cause_indicator,
4441 { "Cause indicator", "isup.cause_indicator",
4442 FT_UINT8, BASE_DEC, VALS(q850_cause_code_vals), 0x0,
4445 { &hf_isup_suspend_resume_indicator,
4446 { "Suspend/Resume indicator", "isup.suspend_resume_indicator",
4447 FT_BOOLEAN, 8, TFS(&isup_suspend_resume_ind_value), A_8BIT_MASK,
4450 { &hf_isup_transmission_medium_requirement,
4451 { "Transmission medium requirement", "isup.transmission_medium_requirement",
4452 FT_UINT8, BASE_DEC, VALS(isup_transmission_medium_requirement_value), 0x0,
4455 { &hf_isup_range_indicator,
4456 { "Range indicator", "isup.range_indicator",
4457 FT_UINT8, BASE_DEC, NULL , 0x0,
4460 { &hf_isup_cgs_message_type,
4461 { "Circuit group supervision message type", "isup.cgs_message_type",
4462 FT_UINT8, BASE_DEC, VALS(isup_cgs_message_type_value), BA_8BIT_MASK,
4465 { &hf_isup_mtc_blocking_state1,
4466 { "Maintenance blocking state", "isup.mtc_blocking_state",
4467 FT_UINT8, BASE_DEC, VALS(isup_mtc_blocking_state_DC00_value), BA_8BIT_MASK,
4470 { &hf_isup_mtc_blocking_state2,
4471 { "Maintenance blocking state", "isup.mtc_blocking_state",
4472 FT_UINT8, BASE_DEC, VALS(isup_mtc_blocking_state_DCnot00_value), BA_8BIT_MASK,
4475 { &hf_isup_call_proc_state,
4476 { "Call processing state", "isup.call_processing_state",
4477 FT_UINT8, BASE_DEC, VALS(isup_call_processing_state_value), DC_8BIT_MASK,
4480 { &hf_isup_hw_blocking_state,
4481 { "HW blocking state", "isup.hw_blocking_state",
4482 FT_UINT8, BASE_DEC, VALS(isup_HW_blocking_state_value), FE_8BIT_MASK,
4485 { &hf_isup_event_ind,
4486 { "Event indicator", "isup.event_ind",
4487 FT_UINT8, 8, NULL, 0x0,
4490 { &hf_isup_event_presentation_restricted_ind,
4491 { "Event presentation restricted indicator", "isup.event_presentatiation_restr_ind",
4492 FT_BOOLEAN, 8, TFS(&isup_event_presentation_restricted_ind_value), H_8BIT_MASK,
4495 { &hf_isup_cug_call_ind,
4496 { "Closed user group call indicator", "isup.clg_call_ind",
4497 FT_UINT8, BASE_DEC, VALS(isup_CUG_call_ind_value), BA_8BIT_MASK,
4500 { &hf_isup_simple_segmentation_ind,
4501 { "Simple segmentation indicator", "isup.simple_segmentation_ind",
4502 FT_BOOLEAN, 8, TFS(&isup_simple_segmentation_ind_value), C_8BIT_MASK,
4505 { &hf_isup_connected_line_identity_request_ind,
4506 { "Connected line identity request indicator", "isup.connected_line_identity_request_ind",
4507 FT_BOOLEAN, 8, TFS(&isup_connected_line_identity_request_ind_value), H_8BIT_MASK,
4510 { &hf_isup_redirecting_ind,
4511 { "Redirection indicator", "isup.redirecting_ind",
4512 FT_UINT16, BASE_DEC, VALS(isup_redirecting_ind_value), CBA_16BIT_MASK,
4515 { &hf_isup_original_redirection_reason,
4516 { "Original redirection reason", "isup.original_redirection_reason",
4517 FT_UINT16, BASE_DEC, VALS(isup_original_redirection_reason_value), HGFE_16BIT_MASK,
4520 { &hf_isup_redirection_counter,
4521 { "Redirection counter", "isup.redirection_counter",
4522 FT_UINT16, BASE_DEC, NULL, KJI_16BIT_MASK,
4525 { &hf_isup_redirection_reason,
4526 { "Redirection reason", "isup.redirection_reason",
4527 FT_UINT16, BASE_DEC, VALS(isup_redirection_reason_value), PONM_16BIT_MASK,
4530 { &hf_isup_type_of_network_identification,
4531 { "Type of network identification", "isup.type_of_network_identification",
4532 FT_UINT8, BASE_DEC, VALS(isup_type_of_network_identification_value), GFE_8BIT_MASK,
4535 { &hf_isup_network_identification_plan,
4536 { "Network identification plan", "isup.network_identification_plan",
4537 FT_UINT8, BASE_DEC, VALS(isup_network_identification_plan_value), DCBA_8BIT_MASK,
4540 { &hf_isup_map_type,
4541 { "Map Type", "isup.map_type",
4542 FT_UINT8, BASE_DEC, VALS(isup_map_type_value), FEDCBA_8BIT_MASK,
4545 { &hf_isup_automatic_congestion_level,
4546 { "Automatic congestion level", "isup.automatic_congestion_level",
4547 FT_UINT8, BASE_DEC, VALS(isup_auto_congestion_level_value), 0x0,
4550 { &hf_isup_inband_information_ind,
4551 { "In-band information indicator", "isup.inband_information_ind",
4552 FT_BOOLEAN, 8, TFS(&isup_inband_information_ind_value), A_8BIT_MASK,
4555 { &hf_isup_call_diversion_may_occur_ind,
4556 { "Call diversion may occur indicator", "isup.call_diversion_may_occur_ind",
4557 FT_BOOLEAN, 8, TFS(&isup_call_diversion_may_occur_ind_value), B_8BIT_MASK,
4560 { &hf_isup_mlpp_user_ind,
4561 { "MLPP user indicator", "isup.mlpp_user",
4562 FT_BOOLEAN, 8, TFS(&isup_MLPP_user_ind_value), D_8BIT_MASK,
4565 { &hf_isup_access_delivery_ind,
4566 { "Access delivery indicator", "isup.access_delivery_ind",
4567 FT_BOOLEAN, 8, TFS(&isup_access_delivery_ind_value), A_8BIT_MASK,
4570 { &hf_isup_transmission_medium_requirement_prime,
4571 { "Transmission medium requirement prime", "isup.transmission_medium_requirement_prime",
4572 FT_UINT8, BASE_DEC, VALS(isup_transmission_medium_requirement_prime_value), 0x0,
4575 { &hf_isup_loop_prevention_response_ind,
4576 { "Response indicator", "isup.loop_prevention_response_ind",
4577 FT_UINT8, BASE_DEC, VALS(isup_loop_prevention_response_ind_value), CB_8BIT_MASK,
4580 { &hf_isup_temporary_alternative_routing_ind,
4581 { "Temporary alternative routing indicator", "isup.temporary_alternative_routing_ind",
4582 FT_BOOLEAN, 8, TFS(&isup_temporary_alternative_routing_ind_value), A_8BIT_MASK,
4585 { &hf_isup_extension_ind,
4586 { "Extension indicator", "isup.extension_ind",
4587 FT_BOOLEAN, 8, TFS(&isup_extension_ind_value), H_8BIT_MASK,
4590 { &hf_isup_call_to_be_diverted_ind,
4591 { "Call to be diverted indicator", "isup.call_to_be_diverted_ind",
4592 FT_UINT8, BASE_DEC, VALS(isup_call_to_be_diverted_ind_value), BA_8BIT_MASK,
4595 { &hf_isup_call_to_be_offered_ind,
4596 { "Call to be offered indicator", "isup.call_to_be_offered_ind",
4597 FT_UINT8, BASE_DEC, VALS(isup_call_to_be_offered_ind_value), BA_8BIT_MASK,
4600 { &hf_isup_conference_acceptance_ind,
4601 { "Conference acceptance indicator", "isup.conference_acceptance_ind",
4602 FT_UINT8, BASE_DEC, VALS(isup_conference_acceptance_ind_value), BA_8BIT_MASK,
4606 /* Setup protocol subtree array */
4607 static gint *ett[] = {
4609 &ett_isup_parameter,
4610 &ett_isup_address_digits,
4611 &ett_isup_pass_along_message,
4612 &ett_isup_circuit_state_ind
4615 /* Register the protocol name and description */
4616 proto_isup = proto_register_protocol("ISDN User Part",
4619 /* Required function calls to register the header fields and subtrees used */
4620 proto_register_field_array(proto_isup, hf, array_length(hf));
4621 proto_register_subtree_array(ett, array_length(ett));
4625 /* ------------------------------------------------------------------ */
4626 /* Register isup with the sub-laying MTP L3 dissector */
4628 proto_reg_handoff_isup(void)
4630 dissector_handle_t isup_handle;
4632 isup_handle = create_dissector_handle(dissect_isup, proto_isup);
4633 dissector_add("mtp3.service_indicator", MTP3_ISUP_SERVICE_INDICATOR, isup_handle);
4634 dissector_add("m3ua.protocol_data_si", MTP3_ISUP_SERVICE_INDICATOR, isup_handle);