2 * Routines for ISUP dissection
3 * Copyright 2001, Martina Obermeier <martina.obermeier@icn.siemens.de>
5 * $Id: packet-isup.c,v 1.11 2002/02/01 04:34:15 gram 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.
36 #ifdef HAVE_SYS_TYPES_H
37 # include <sys/types.h>
40 #ifdef HAVE_NETINET_IN_H
41 # include <netinet/in.h>
46 #ifdef NEED_SNPRINTF_H
47 # include "snprintf.h"
50 #include <epan/packet.h>
51 #include "packet-ip.h"
53 #define MTP3_ISUP_SERVICE_INDICATOR 5
54 #define ASCII_NUMBER_DELTA 0x30
55 #define ASCII_LETTER_DELTA 0x37
57 /* Definition of protocol field values und lengths */
59 /* Definition of Message Types */
60 #define MESSAGE_TYPE_INITIAL_ADDR 1
61 #define MESSAGE_TYPE_SUBSEQ_ADDR 2
62 #define MESSAGE_TYPE_INFO_REQ 3
63 #define MESSAGE_TYPE_INFO 4
64 #define MESSAGE_TYPE_CONTINUITY 5
65 #define MESSAGE_TYPE_ADDR_CMPL 6
66 #define MESSAGE_TYPE_CONNECT 7
67 #define MESSAGE_TYPE_FORW_TRANS 8
68 #define MESSAGE_TYPE_ANSWER 9
69 #define MESSAGE_TYPE_RELEASE 12
70 #define MESSAGE_TYPE_SUSPEND 13
71 #define MESSAGE_TYPE_RESUME 14
72 #define MESSAGE_TYPE_REL_CMPL 16
73 #define MESSAGE_TYPE_CONT_CHECK_REQ 17
74 #define MESSAGE_TYPE_RESET_CIRCUIT 18
75 #define MESSAGE_TYPE_BLOCKING 19
76 #define MESSAGE_TYPE_UNBLOCKING 20
77 #define MESSAGE_TYPE_BLOCK_ACK 21
78 #define MESSAGE_TYPE_UNBLOCK_ACK 22
79 #define MESSAGE_TYPE_CIRC_GRP_RST 23
80 #define MESSAGE_TYPE_CIRC_GRP_BLCK 24
81 #define MESSAGE_TYPE_CIRC_GRP_UNBL 25
82 #define MESSAGE_TYPE_CIRC_GRP_BL_ACK 26
83 #define MESSAGE_TYPE_CIRC_GRP_UNBL_ACK 27
84 #define MESSAGE_TYPE_FACILITY_REQ 31
85 #define MESSAGE_TYPE_FACILITY_ACC 32
86 #define MESSAGE_TYPE_FACILITY_REJ 33
87 #define MESSAGE_TYPE_LOOP_BACK_ACK 36
88 #define MESSAGE_TYPE_PASS_ALONG 40
89 #define MESSAGE_TYPE_CIRC_GRP_RST_ACK 41
90 #define MESSAGE_TYPE_CIRC_GRP_QRY 42
91 #define MESSAGE_TYPE_CIRC_GRP_QRY_RSP 43
92 #define MESSAGE_TYPE_CALL_PROGRSS 44
93 #define MESSAGE_TYPE_USER2USER_INFO 45
94 #define MESSAGE_TYPE_UNEQUIPPED_CIC 46
95 #define MESSAGE_TYPE_CONFUSION 47
96 #define MESSAGE_TYPE_OVERLOAD 48
97 #define MESSAGE_TYPE_CHARGE_INFO 49
98 #define MESSAGE_TYPE_NETW_RESRC_MGMT 50
99 #define MESSAGE_TYPE_FACILITY 51
100 #define MESSAGE_TYPE_USER_PART_TEST 52
101 #define MESSAGE_TYPE_USER_PART_AVAIL 53
102 #define MESSAGE_TYPE_IDENT_REQ 54
103 #define MESSAGE_TYPE_IDENT_RSP 55
104 #define MESSAGE_TYPE_SEGMENTATION 56
105 #define MESSAGE_TYPE_LOOP_PREVENTION 64
107 static const value_string isup_message_type_value[] = {
108 { MESSAGE_TYPE_INITIAL_ADDR, "Initial address"},
109 { MESSAGE_TYPE_SUBSEQ_ADDR, "Subsequent address"},
110 { MESSAGE_TYPE_INFO_REQ, "Information request (national use)"},
111 { MESSAGE_TYPE_INFO, "Information (national use)"},
112 { MESSAGE_TYPE_CONTINUITY, "Continuity"},
113 { MESSAGE_TYPE_ADDR_CMPL, "Address complete"},
114 { MESSAGE_TYPE_CONNECT, "Connect"},
115 { MESSAGE_TYPE_FORW_TRANS, "Forward transfer"},
116 { MESSAGE_TYPE_ANSWER, "Answer"},
117 { MESSAGE_TYPE_RELEASE, "Release"},
118 { MESSAGE_TYPE_SUSPEND, "Suspend"},
119 { MESSAGE_TYPE_RESUME, "Resume"},
120 { MESSAGE_TYPE_REL_CMPL, "Release complete"},
121 { MESSAGE_TYPE_CONT_CHECK_REQ, "Continuity check request"},
122 { MESSAGE_TYPE_RESET_CIRCUIT, "Reset Circuit"},
123 { MESSAGE_TYPE_BLOCKING, "Blocking"},
124 { MESSAGE_TYPE_UNBLOCKING, "Unblocking"},
125 { MESSAGE_TYPE_BLOCK_ACK, "Blocking acknowledgement"},
126 { MESSAGE_TYPE_UNBLOCK_ACK, "Unblocking acknowledgment"},
127 { MESSAGE_TYPE_CIRC_GRP_RST, "Circuit group reset"},
128 { MESSAGE_TYPE_CIRC_GRP_BLCK, "Circuit group blocking"},
129 { MESSAGE_TYPE_CIRC_GRP_UNBL, "Circuit group unblocking"},
130 { MESSAGE_TYPE_CIRC_GRP_BL_ACK, "Circuit group blocking acknowledgement"},
131 { MESSAGE_TYPE_CIRC_GRP_UNBL_ACK, "Circuit group unblocking acknowledgement"},
132 { MESSAGE_TYPE_FACILITY_REQ, "Facility request"},
133 { MESSAGE_TYPE_FACILITY_ACC, "Facility accepted"},
134 { MESSAGE_TYPE_FACILITY_REJ, "Facility reject"},
135 { MESSAGE_TYPE_LOOP_BACK_ACK, "Loop back acknowledgement (national use)"},
136 { MESSAGE_TYPE_PASS_ALONG, "Pass-along (national use)"},
137 { MESSAGE_TYPE_CIRC_GRP_RST_ACK, "Circuit group reset acknowledgement"},
138 { MESSAGE_TYPE_CIRC_GRP_QRY, "Circuit group query (national use)"},
139 { MESSAGE_TYPE_CIRC_GRP_QRY_RSP, "Circuit group query response (national use)"},
140 { MESSAGE_TYPE_CALL_PROGRSS, "Call progress"},
141 { MESSAGE_TYPE_USER2USER_INFO, "User-to-user information"},
142 { MESSAGE_TYPE_UNEQUIPPED_CIC, "Unequipped CIC (national use)"},
143 { MESSAGE_TYPE_CONFUSION, "Confusion"},
144 { MESSAGE_TYPE_OVERLOAD, "Overload (national use)"},
145 { MESSAGE_TYPE_CHARGE_INFO, "Charge information (national use)"},
146 { MESSAGE_TYPE_NETW_RESRC_MGMT, "Network resource management"},
147 { MESSAGE_TYPE_FACILITY, "Facility"},
148 { MESSAGE_TYPE_USER_PART_TEST, "User part test"},
149 { MESSAGE_TYPE_USER_PART_AVAIL, "User part available"},
150 { MESSAGE_TYPE_IDENT_REQ, "Identification request"},
151 { MESSAGE_TYPE_IDENT_RSP, "Identification response"},
152 { MESSAGE_TYPE_SEGMENTATION, "Segmentation"},
153 { MESSAGE_TYPE_LOOP_PREVENTION, "Loop prevention"},
156 /* Definition of Parameter Types */
157 #define PARAM_TYPE_END_OF_OPT_PARAMS 0
158 #define PARAM_TYPE_CALL_REF 1
159 #define PARAM_TYPE_TRANSM_MEDIUM_REQU 2
160 #define PARAM_TYPE_ACC_TRANSP 3
161 #define PARAM_TYPE_CALLED_PARTY_NR 4
162 #define PARAM_TYPE_SUBSQT_NR 5
163 #define PARAM_TYPE_NATURE_OF_CONN_IND 6
164 #define PARAM_TYPE_FORW_CALL_IND 7
165 #define PARAM_TYPE_OPT_FORW_CALL_IND 8
166 #define PARAM_TYPE_CALLING_PRTY_CATEG 9
167 #define PARAM_TYPE_CALLING_PARTY_NR 10
168 #define PARAM_TYPE_REDIRECTING_NR 11
169 #define PARAM_TYPE_REDIRECTION_NR 12
170 #define PARAM_TYPE_CONNECTION_REQ 13
171 #define PARAM_TYPE_INFO_REQ_IND 14
172 #define PARAM_TYPE_INFO_IND 15
173 #define PARAM_TYPE_CONTINUITY_IND 16
174 #define PARAM_TYPE_BACKW_CALL_IND 17
175 #define PARAM_TYPE_CAUSE_INDICATORS 18
176 #define PARAM_TYPE_REDIRECTION_INFO 19
177 #define PARAM_TYPE_CIRC_GRP_SV_MSG_TYPE 21
178 #define PARAM_TYPE_RANGE_AND_STATUS 22
179 #define PARAM_TYPE_FACILITY_IND 24
180 #define PARAM_TYPE_CLSD_USR_GRP_ILOCK_CD 26
181 #define PARAM_TYPE_USER_SERVICE_INFO 29
182 #define PARAM_TYPE_SIGNALLING_POINT_CODE 30
183 #define PARAM_TYPE_USER_TO_USER_INFO 32
184 #define PARAM_TYPE_CONNECTED_NR 33
185 #define PARAM_TYPE_SUSP_RESUME_IND 34
186 #define PARAM_TYPE_TRANSIT_NETW_SELECT 35
187 #define PARAM_TYPE_EVENT_INFO 36
188 #define PARAM_TYPE_CIRC_ASSIGN_MAP 37
189 #define PARAM_TYPE_CIRC_STATE_IND 38
190 #define PARAM_TYPE_AUTO_CONG_LEVEL 39
191 #define PARAM_TYPE_ORIG_CALLED_NR 40
192 #define PARAM_TYPE_OPT_BACKW_CALL_IND 41
193 #define PARAM_TYPE_USER_TO_USER_IND 42
194 #define PARAM_TYPE_ORIG_ISC_POINT_CODE 43
195 #define PARAM_TYPE_GENERIC_NOTIF_IND 44
196 #define PARAM_TYPE_CALL_HIST_INFO 45
197 #define PARAM_TYPE_ACC_DELIV_INFO 46
198 #define PARAM_TYPE_NETW_SPECIFIC_FACLTY 47
199 #define PARAM_TYPE_USER_SERVICE_INFO_PR 48
200 #define PARAM_TYPE_PROPAG_DELAY_COUNTER 49
201 #define PARAM_TYPE_REMOTE_OPERATIONS 50
202 #define PARAM_TYPE_SERVICE_ACTIVATION 51
203 #define PARAM_TYPE_USER_TELESERV_INFO 52
204 #define PARAM_TYPE_TRANSM_MEDIUM_USED 53
205 #define PARAM_TYPE_CALL_DIV_INFO 54
206 #define PARAM_TYPE_ECHO_CTRL_INFO 55
207 #define PARAM_TYPE_MSG_COMPAT_INFO 56
208 #define PARAM_TYPE_PARAM_COMPAT_INFO 57
209 #define PARAM_TYPE_MLPP_PRECEDENCE 58
210 #define PARAM_TYPE_MCID_REQ_IND 59
211 #define PARAM_TYPE_MCID_RSP_IND 60
212 #define PARAM_TYPE_HOP_COUNTER 61
213 #define PARAM_TYPE_TRANSM_MEDIUM_RQUR_PR 62
214 #define PARAM_TYPE_LOCATION_NR 63
215 #define PARAM_TYPE_REDIR_NR_RSTRCT 64
216 #define PARAM_TYPE_CALL_TRANS_REF 67
217 #define PARAM_TYPE_LOOP_PREV_IND 68
218 #define PARAM_TYPE_CALL_TRANS_NR 69
219 #define PARAM_TYPE_CCSS 75
220 #define PARAM_TYPE_FORW_GVNS 76
221 #define PARAM_TYPE_BACKW_GVNS 77
222 #define PARAM_TYPE_REDIRECT_CAPAB 78
223 #define PARAM_TYPE_NETW_MGMT_CTRL 91
224 #define PARAM_TYPE_CORRELATION_ID 101
225 #define PARAM_TYPE_SCF_ID 102
226 #define PARAM_TYPE_CALL_DIV_TREAT_IND 110
227 #define PARAM_TYPE_CALLED_IN_NR 111
228 #define PARAM_TYPE_CALL_OFF_TREAT_IND 112
229 #define PARAM_TYPE_CHARGED_PARTY_IDENT 113
230 #define PARAM_TYPE_CONF_TREAT_IND 114
231 #define PARAM_TYPE_DISPLAY_INFO 115
232 #define PARAM_TYPE_UID_ACTION_IND 116
233 #define PARAM_TYPE_UID_CAPAB_IND 117
234 #define PARAM_TYPE_REDIRECT_COUNTER 119
235 #define PARAM_TYPE_COLLECT_CALL_REQ 121
236 #define PARAM_TYPE_GENERIC_NR 192
237 #define PARAM_TYPE_GENERIC_DIGITS 193
239 static const value_string isup_parameter_type_value[] = {
240 { PARAM_TYPE_END_OF_OPT_PARAMS, "End of optional parameters"},
241 { PARAM_TYPE_CALL_REF, "Call Reference (national use)"},
242 { PARAM_TYPE_TRANSM_MEDIUM_REQU, "Transmission medium requirement"},
243 { PARAM_TYPE_ACC_TRANSP, "Access transport"},
244 { PARAM_TYPE_CALLED_PARTY_NR, "Called party number"},
245 { PARAM_TYPE_SUBSQT_NR, "Subsequent number"},
246 { PARAM_TYPE_NATURE_OF_CONN_IND, "Nature of connection indicators"},
247 { PARAM_TYPE_FORW_CALL_IND, "Forward call indicators"},
248 { PARAM_TYPE_OPT_FORW_CALL_IND, "Optional forward call indicators"},
249 { PARAM_TYPE_CALLING_PRTY_CATEG, "Calling party's category"},
250 { PARAM_TYPE_CALLING_PARTY_NR, "Calling party number"},
251 { PARAM_TYPE_REDIRECTING_NR, "Redirecting number"},
252 { PARAM_TYPE_REDIRECTION_NR, "Redirection number"},
253 { PARAM_TYPE_CONNECTION_REQ, "Connection request"},
254 { PARAM_TYPE_INFO_REQ_IND, "Information request indicators (national use)"},
255 { PARAM_TYPE_INFO_IND, "Information indicators (national use)"},
256 { PARAM_TYPE_CONTINUITY_IND, "Continuity request"},
257 { PARAM_TYPE_BACKW_CALL_IND, "Backward call indicators"},
258 { PARAM_TYPE_CAUSE_INDICATORS, "Cause indicators"},
259 { PARAM_TYPE_REDIRECTION_INFO, "Redirection information"},
260 { PARAM_TYPE_CIRC_GRP_SV_MSG_TYPE, "Circuit group supervision message type"},
261 { PARAM_TYPE_RANGE_AND_STATUS, "Range and Status"},
262 { PARAM_TYPE_FACILITY_IND, "Facility indicator"},
263 { PARAM_TYPE_CLSD_USR_GRP_ILOCK_CD, "Closed user group interlock code"},
264 { PARAM_TYPE_USER_SERVICE_INFO, "User service information"},
265 { PARAM_TYPE_SIGNALLING_POINT_CODE, "Signalling point code (national use)"},
266 { PARAM_TYPE_USER_TO_USER_INFO, "User-to-user information"},
267 { PARAM_TYPE_CONNECTED_NR, "Connected number"},
268 { PARAM_TYPE_SUSP_RESUME_IND, "Suspend/Resume indicators"},
269 { PARAM_TYPE_TRANSIT_NETW_SELECT, "Transit network selection (national use)"},
270 { PARAM_TYPE_EVENT_INFO, "Event information"},
271 { PARAM_TYPE_CIRC_ASSIGN_MAP, "Circuit assignment map"},
272 { PARAM_TYPE_CIRC_STATE_IND, "Circuit state indicator (national use)"},
273 { PARAM_TYPE_AUTO_CONG_LEVEL, "Automatic congestion level"},
274 { PARAM_TYPE_ORIG_CALLED_NR, "Original called number"},
275 { PARAM_TYPE_OPT_BACKW_CALL_IND, "Backward call indicators"},
276 { PARAM_TYPE_USER_TO_USER_IND, "User-to-user indicators"},
277 { PARAM_TYPE_ORIG_ISC_POINT_CODE, "Origination ISC point code"},
278 { PARAM_TYPE_GENERIC_NOTIF_IND, "Generic notification indicator"},
279 { PARAM_TYPE_CALL_HIST_INFO, "Call history information"},
280 { PARAM_TYPE_ACC_DELIV_INFO, "Access delivery information"},
281 { PARAM_TYPE_NETW_SPECIFIC_FACLTY, "Network specific facility (national use)"},
282 { PARAM_TYPE_USER_SERVICE_INFO_PR, "User service information prime"},
283 { PARAM_TYPE_PROPAG_DELAY_COUNTER, "Propagation delay counter"},
284 { PARAM_TYPE_REMOTE_OPERATIONS, "Remote operations (national use)"},
285 { PARAM_TYPE_SERVICE_ACTIVATION, "Service activation"},
286 { PARAM_TYPE_USER_TELESERV_INFO, "User teleservice information"},
287 { PARAM_TYPE_TRANSM_MEDIUM_USED, "Transmission medium used"},
288 { PARAM_TYPE_CALL_DIV_INFO, "Call diversion information"},
289 { PARAM_TYPE_ECHO_CTRL_INFO, "Echo control information"},
290 { PARAM_TYPE_MSG_COMPAT_INFO, "Message compatibility information"},
291 { PARAM_TYPE_PARAM_COMPAT_INFO, "Parameter compatibility information"},
292 { PARAM_TYPE_MLPP_PRECEDENCE, "MLPP precedence"},
293 { PARAM_TYPE_MCID_REQ_IND, "MCID request indicators"},
294 { PARAM_TYPE_MCID_RSP_IND, "MCID response indicators"},
295 { PARAM_TYPE_HOP_COUNTER, "Hop counter"},
296 { PARAM_TYPE_TRANSM_MEDIUM_RQUR_PR, "Transmission medium requirement prime"},
297 { PARAM_TYPE_LOCATION_NR, "Location number"},
298 { PARAM_TYPE_REDIR_NR_RSTRCT, "Redirection number restriction"},
299 { PARAM_TYPE_CALL_TRANS_REF, "Call transfer reference"},
300 { PARAM_TYPE_LOOP_PREV_IND, "Loop prevention indicators"},
301 { PARAM_TYPE_CALL_TRANS_NR, "Call transfer number"},
302 { PARAM_TYPE_CCSS, "CCSS"},
303 { PARAM_TYPE_FORW_GVNS, "Forward GVNS"},
304 { PARAM_TYPE_BACKW_GVNS, "Backward GVNS"},
305 { PARAM_TYPE_REDIRECT_CAPAB, "Redirect capability (reserved for national use)"},
306 { PARAM_TYPE_NETW_MGMT_CTRL, "Network management controls"},
307 { PARAM_TYPE_CORRELATION_ID, "Correlation id"},
308 { PARAM_TYPE_SCF_ID, "SCF id"},
309 { PARAM_TYPE_CALL_DIV_TREAT_IND, "Call diversion treatment indicators"},
310 { PARAM_TYPE_CALLED_IN_NR, "Called IN number"},
311 { PARAM_TYPE_CALL_OFF_TREAT_IND, "Call offering treatment indicators"},
312 { PARAM_TYPE_CHARGED_PARTY_IDENT, "Charged party identification (national use)"},
313 { PARAM_TYPE_CONF_TREAT_IND, "Conference treatment indicators"},
314 { PARAM_TYPE_DISPLAY_INFO, "Display information"},
315 { PARAM_TYPE_UID_ACTION_IND, "UID action indicators"},
316 { PARAM_TYPE_UID_CAPAB_IND, "UID capability indicators"},
317 { PARAM_TYPE_REDIRECT_COUNTER, "Redirect counter (reserved for national use)"},
318 { PARAM_TYPE_COLLECT_CALL_REQ, "Collect call request"},
319 { PARAM_TYPE_GENERIC_NR, "Generic number"},
320 { PARAM_TYPE_GENERIC_DIGITS, "Generic digits (national use)"},
325 #define MESSAGE_TYPE_LENGTH 1
326 #define COMMON_HEADER_LENGTH (CIC_LENGTH + MESSAGE_TYPE_LENGTH)
328 #define MAXLENGTH 0xFF /* since length field is 8 Bit long - used in number dissectors;
329 max. number of address digits is 15 digits, but MAXLENGTH used
330 to avoid runtime errors */
332 #define PARAMETER_TYPE_LENGTH 1
333 #define PARAMETER_POINTER_LENGTH 1
334 #define PARAMETER_LENGTH_IND_LENGTH 1
336 /* All following parameter length definitions are WITHOUT the parameter type byte and length indicator for optional parameters*/
337 #define PARAMETER_NAME_LENGTH 1
338 #define PARAMETER_LENGTH_IND_LENGTH 1
339 #define ACCESS_DELIVERY_INFO_LENGTH 1
340 #define AUTO_CONGEST_LEVEL_LENGTH 1
341 #define BACKWARD_CALL_IND_LENGTH 2
342 #define BACKWARD_GVNS_LENGTH 1
343 #define CALL_DIV_INFO_LENGTH 1
344 #define CALL_DIV_TREATMENT_IND_LENGTH 1
345 #define CALL_HISTORY_INFO_LENGTH 2
346 #define CALL_OFFERING_TREATMENT_IND_LENGTH 1
347 #define CALL_REFERENCE_LENGTH 5
348 #define CALL_TRANSFER_REF_LENGTH 1
349 #define CALLING_PRTYS_CATEGORY_LENGTH 1
350 #define CCSS_LENGTH 1
351 #define CIRCUIT_ASSIGNMENT_MAP_LENGTH 5
352 #define CIRC_GRP_SV_MSG_TYPE_LENGTH 1
353 #define CLOSED_USR_GRP_INTERLOCK_CODE_LENGTH 4
354 #define COLLECT_CALL_REQUEST_LENGTH 1
355 #define CONFERENCE_TREATMENT_IND_LENGTH 1
356 #define CONNECTION_REQUEST_LENGTH 7
357 #define CONTINUITY_IND_LENGTH 1
358 #define ECHO_CONTROL_INFO_LENGTH 1
359 #define END_OF_OPT_PART_LENGTH 1
360 #define EVENT_INFO_LENGTH 1
361 #define FACILITY_IND_LENGTH 1
362 #define FORWARD_CALL_IND_LENGTH 2
363 #define GENERIC_NOTIFICATION_IND_LENGTH 1
364 #define HOP_COUNTER_LENGTH 1
365 #define INFO_IND_LENGTH 2
366 #define INFO_REQUEST_IND_LENGTH 2
367 #define LOOP_PREVENTION_IND_LENGTH 1
368 #define MCID_REQUEST_IND_LENGTH 1
369 #define MCID_RESPONSE_IND_LENGTH 1
370 #define MLPP_PRECEDENCE_LENGTH 1
371 #define NATURE_OF_CONNECTION_IND_LENGTH 1
372 #define NETWORK_MANAGEMENT_CONTROLS_LENGTH 1
373 #define OPTIONAL_BACKWARD_CALL_IND_LENGTH 1
374 #define OPTIONAL_FORWARD_CALL_IND_LENGTH 1
375 #define ORIGINAL_ISC_POINT_CODE_LENGTH 2
376 #define PROPAGATION_DELAY_COUNT_LENGTH 2
377 #define REDIRECTION_NUMBER_LENGTH 2
378 #define REDIRECTION_INFO_LENGTH 2
379 #define REDIRECTION_NUMBER_RESTRICTION_LENGTH 1
380 #define SIGNALLING_POINT_CODE_LENGTH 2
381 #define SUSPEND_RESUME_IND_LENGTH 1
382 #define TRANSMISSION_MEDIUM_REQUIREMENT_LENGTH 1
383 #define TRANSMISSION_MEDIUM_RQMT_PRIME_LENGTH 1
384 #define TRANSMISSION_MEDIUM_USED_LENGTH 1
385 #define UID_ACTION_IND_LENGTH 1
386 #define UID_CAPABILITY_IND_LENGTH 1
387 #define USER_TELESERVICE_INFO_LENGTH 3
388 #define USER_TO_USER_IND_LENGTH 1
389 #define RANGE_LENGTH 1
391 #define CALL_ID_LENGTH 3 /* for parameter Call Reference */
392 #define SPC_LENGTH 2 /* for parameter Call Reference, Connection request */
393 #define LOCAL_REF_LENGTH 3 /* for parameter Connection request */
394 #define PROTOCOL_CLASS_LENGTH 1 /* for parameter Connection request */
395 #define CREDIT_LENGTH 1 /* for parameter Connection request */
399 #define NO_SATELLITE_CIRCUIT_IN_CONNECTION 0
400 #define ONE_SATELLITE_CIRCUIT_IN_CONNECTION 1
401 #define TWO_SATELLITE_CIRCUIT_IN_CONNECTION 2
402 static const value_string isup_satellite_ind_value[] = {
403 { NO_SATELLITE_CIRCUIT_IN_CONNECTION, "No Satellite circuit in connection"},
404 { ONE_SATELLITE_CIRCUIT_IN_CONNECTION, "One Satellite circuit in connection"},
405 { TWO_SATELLITE_CIRCUIT_IN_CONNECTION, "Two Satellite circuits in connection"},
408 #define CONTINUITY_CHECK_NOT_REQUIRED 0
409 #define CONTINUITY_CHECK_REQUIRED 1
410 #define CONTINUITY_CHECK_ON_A_PREVIOUS_CIRCUIT 2
411 static const value_string isup_continuity_check_ind_value[] = {
412 { CONTINUITY_CHECK_NOT_REQUIRED, "Continuity check not required"},
413 { CONTINUITY_CHECK_REQUIRED, "Continuity check required on this circuit"},
414 { CONTINUITY_CHECK_ON_A_PREVIOUS_CIRCUIT , "Continuity check performed on a previous circuit"},
417 static const true_false_string isup_echo_control_device_ind_value = {
418 "Echo control device included",
419 "Echo control device not included"
422 static const true_false_string isup_natnl_inatnl_call_ind_value = {
423 "Call to be treated as international call",
424 "Call to be treated as national call"
427 #define NO_END_TO_END_METHOD_AVAILABLE 0
428 #define PASS_ALONG_METHOD_AVAILABLE 1
429 #define SCCP_METHOD_AVAILABLE 2
430 #define PASS_ALONG_AND_SCCP_METHOD_AVAILABLE 3
431 static const value_string isup_end_to_end_method_ind_value[] = {
432 { NO_END_TO_END_METHOD_AVAILABLE, "No End-to-end method available (only link-by-link method available)"},
433 { PASS_ALONG_METHOD_AVAILABLE, "Pass-along method available (national use)"},
434 { SCCP_METHOD_AVAILABLE, "SCCP method available"},
435 { PASS_ALONG_AND_SCCP_METHOD_AVAILABLE, "pass-along and SCCP method available (national use)"},
438 static const true_false_string isup_interworking_ind_value = {
439 "interworking encountered",
440 "no interworking encountered (No.7 signalling all the way)"
443 static const true_false_string isup_end_to_end_info_ind_value = {
444 "end-to-end information available",
445 "no end-to-end information available"
448 static const true_false_string isup_ISDN_user_part_ind_value = {
449 "ISDN user part used all the way",
450 "ISDN user part not used all the way"
453 #define ISUP_PREFERED_ALL_THE_WAY 0
454 #define ISUP_NOT_REQUIRED_ALL_THE_WAY 1
455 #define ISUP_REQUIRED_ALL_WAY 2
456 #define ISUP_ISDN_USER_PART_IND_SPARE 3
457 static const value_string isup_preferences_ind_value[] = {
458 { ISUP_PREFERED_ALL_THE_WAY, "ISDN user part prefered all the way"},
459 { ISUP_NOT_REQUIRED_ALL_THE_WAY, "ISDN user part not required all the way"},
460 { ISUP_REQUIRED_ALL_WAY, "ISDN user part required all the way"},
461 { ISUP_ISDN_USER_PART_IND_SPARE, "spare"},
464 static const true_false_string isup_ISDN_originating_access_ind_value = {
465 "originating access ISDN",
466 "originating access non-ISDN"
469 #define NO_INDICATION 0
470 #define CONNECTIONLESS_METHOD_AVAILABLE 1
471 #define CONNECITON_ORIENTED_METHOD_AVAILABLE 2
472 #define CONNECTIONLESS_AND_ORIENTED_METHOD_AVAILABLE 3
473 static const value_string isup_SCCP_method_ind_value[] = {
474 { NO_INDICATION, "No indication"},
475 { CONNECTIONLESS_METHOD_AVAILABLE, "Connectionless method available (national use)"},
476 { CONNECITON_ORIENTED_METHOD_AVAILABLE, "Connection oriented method available"},
477 { CONNECTIONLESS_AND_ORIENTED_METHOD_AVAILABLE, "Connectionless and -oriented method available (national use)"},
480 #define UNKNOWN_AT_THIS_TIME 0
481 #define OPERATOR_FRENCH 1
482 #define OPERATOR_ENGLISH 2
483 #define OPERATOR_GERMAN 3
484 #define OPERATOR_RUSSIAN 4
485 #define OPERATOR_SPANISH 5
486 #define ORDINARY_CALLING_SUBSCRIBER 10
487 #define CALLING_SUBSCRIBER_WITH_PRIORITY 11
491 static const value_string isup_calling_partys_category_value[] = {
492 { UNKNOWN_AT_THIS_TIME, "Category unknown at this time (national use)"},
493 { OPERATOR_FRENCH, "operator, language French"},
494 { OPERATOR_ENGLISH, "operator, language English"},
495 { OPERATOR_GERMAN, "operator, language German"},
496 { OPERATOR_RUSSIAN, "operator, language Russian"},
497 { OPERATOR_SPANISH, "operator, language Spanish"},
498 { ORDINARY_CALLING_SUBSCRIBER, "ordinary calling subscriber"},
499 { CALLING_SUBSCRIBER_WITH_PRIORITY, "calling subscriber with priority"},
500 { DATA_CALL, "data call (voice band data)"},
501 { TEST_CALL, "test call"},
502 { PAYPHONE, "payphone"},
505 #define MEDIUM_SPEECH 0
506 #define MEDIUM_64KBS 2
507 #define MEDIUM_3_1_KHZ_AUDIO 3
508 #define MEDIUM_RESERVED_SERVICE2_1 4
509 #define MEDIUM_RESERVED_SERVICE1_2 5
510 #define MEDIUM_64KBS_PREFERED 6
511 #define MEDIUM_2_64KBS 7
512 #define MEDIUM_384KBS 8
513 #define MEDIUM_1536KBS 9
514 #define MEDIUM_1920KBS 10
515 #define MEDIUM_3_64KBS 16
516 #define MEDIUM_4_64KBS 17
517 #define MEDIUM_5_64KBS 18
518 #define MEDIUM_7_64KBS 20
519 #define MEDIUM_8_64KBS 21
520 #define MEDIUM_9_64KBS 22
521 #define MEDIUM_10_64KBS 23
522 #define MEDIUM_11_64KBS 24
523 #define MEDIUM_12_64KBS 25
524 #define MEDIUM_13_64KBS 26
525 #define MEDIUM_14_64KBS 27
526 #define MEDIUM_15_64KBS 28
527 #define MEDIUM_16_64KBS 29
528 #define MEDIUM_17_64KBS 30
529 #define MEDIUM_18_64KBS 31
530 #define MEDIUM_19_64KBS 32
531 #define MEDIUM_20_64KBS 33
532 #define MEDIUM_21_64KBS 34
533 #define MEDIUM_22_64KBS 35
534 #define MEDIUM_23_64KBS 36
535 #define MEDIUM_25_64KBS 38
536 #define MEDIUM_26_64KBS 39
537 #define MEDIUM_27_64KBS 40
538 #define MEDIUM_28_64KBS 41
539 #define MEDIUM_29_64KBS 42
540 static const value_string isup_transmission_medium_requirement_value[] = {
541 { MEDIUM_SPEECH, "speech"},
542 { MEDIUM_64KBS, "64 kbit/s unrestricted"},
543 { MEDIUM_3_1_KHZ_AUDIO, "3.1 kHz audio"},
544 { MEDIUM_RESERVED_SERVICE2_1, "reserved for alternate speech (service 2)/64 kbit/s unrestricted (service 1)"},
545 { MEDIUM_RESERVED_SERVICE1_2, "reserved for alternate 64 kbit/s unrestricted (service 1)/speech (service 2)"},
546 { MEDIUM_64KBS_PREFERED, "64 kbit/s prefered"},
547 { MEDIUM_2_64KBS, "2x64 kbit/s unrestricted"},
548 { MEDIUM_384KBS, "384 kbit/s unrestricted"},
549 { MEDIUM_1536KBS, "1536 kbit/s unrestricted"},
550 { MEDIUM_1920KBS, "1920 kbit/s unrestricted"},
551 { MEDIUM_3_64KBS, "3x64 kbit/s unrestricted"},
552 { MEDIUM_4_64KBS, "4x64 kbit/s unrestricted"},
553 { MEDIUM_5_64KBS, "5x64 kbit/s unrestricted"},
554 { MEDIUM_7_64KBS, "7x64 kbit/s unrestricted"},
555 { MEDIUM_8_64KBS, "8x64 kbit/s unrestricted"},
556 { MEDIUM_9_64KBS, "9x64 kbit/s unrestricted"},
557 { MEDIUM_10_64KBS, "10x64 kbit/s unrestricted"},
558 { MEDIUM_11_64KBS, "11x64 kbit/s unrestricted"},
559 { MEDIUM_12_64KBS, "12x64 kbit/s unrestricted"},
560 { MEDIUM_13_64KBS, "13x64 kbit/s unrestricted"},
561 { MEDIUM_14_64KBS, "14x64 kbit/s unrestricted"},
562 { MEDIUM_15_64KBS, "15x64 kbit/s unrestricted"},
563 { MEDIUM_16_64KBS, "16x64 kbit/s unrestricted"},
564 { MEDIUM_17_64KBS, "17x64 kbit/s unrestricted"},
565 { MEDIUM_18_64KBS, "18x64 kbit/s unrestricted"},
566 { MEDIUM_19_64KBS, "19x64 kbit/s unrestricted"},
567 { MEDIUM_20_64KBS, "20x64 kbit/s unrestricted"},
568 { MEDIUM_21_64KBS, "21x64 kbit/s unrestricted"},
569 { MEDIUM_22_64KBS, "22x64 kbit/s unrestricted"},
570 { MEDIUM_23_64KBS, "23x64 kbit/s unrestricted"},
571 { MEDIUM_25_64KBS, "25x64 kbit/s unrestricted"},
572 { MEDIUM_26_64KBS, "26x64 kbit/s unrestricted"},
573 { MEDIUM_27_64KBS, "27x64 kbit/s unrestricted"},
574 { MEDIUM_28_64KBS, "28x64 kbit/s unrestricted"},
575 { MEDIUM_29_64KBS, "29x64 kbit/s unrestricted"},
577 static const value_string isup_transmission_medium_requirement_prime_value[] = {
578 { MEDIUM_SPEECH, "speech"},
579 { MEDIUM_64KBS, "reserved for 64 kbit/s unrestricted"},
580 { MEDIUM_3_1_KHZ_AUDIO, "3.1 kHz audio"},
581 { MEDIUM_RESERVED_SERVICE2_1, "reserved for alternate speech (service 2)/64 kbit/s unrestricted (service 1)"},
582 { MEDIUM_RESERVED_SERVICE1_2, "reserved for alternate 64 kbit/s unrestricted (service 1)/speech (service 2)"},
583 { MEDIUM_64KBS_PREFERED, "reserved for 64 kbit/s prefered"},
584 { MEDIUM_2_64KBS, "reserved for 2x64 kbit/s unrestricted"},
585 { MEDIUM_384KBS, "reserved for 384 kbit/s unrestricted"},
586 { MEDIUM_1536KBS, "reserved for 1536 kbit/s unrestricted"},
587 { MEDIUM_1920KBS, "reserved for 1920 kbit/s unrestricted"},
591 /* Definitions for Called and Calling Party number */
592 #define ISUP_ODD_EVEN_MASK 0x80
593 #define ISUP_NATURE_OF_ADDRESS_IND_MASK 0x7F
594 #define ISUP_INN_MASK 0x80
595 #define ISUP_NI_MASK 0x80
596 #define ISUP_NUMBERING_PLAN_IND_MASK 0x70
597 #define ISUP_ADDRESS_PRESENTATION_RESTR_IND_MASK 0x0C
598 #define ISUP_SCREENING_IND_MASK 0x03
599 #define ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK 0x0F
600 #define ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK 0xF0
602 static const true_false_string isup_odd_even_ind_value = {
603 "odd number of address signals",
604 "even number of address signals"
607 #define ISUP_CALLED_PARTY_NATURE_SUBSCRIBER_NR 1
608 #define ISUP_CALLED_PARTY_NATURE_UNKNOWN 2
609 #define ISUP_CALLED_PARTY_NATURE_NATIONAL_NR 3
610 #define ISUP_CALLED_PARTY_NATURE_INTERNATNL_NR 4
611 #define ISUP_CALLED_PARTY_NATURE_NETW_SPEC_NR 5
612 static const value_string isup_called_party_nature_of_address_ind_value[] = {
613 { ISUP_CALLED_PARTY_NATURE_SUBSCRIBER_NR, "subscriber number (national use)"},
614 { ISUP_CALLED_PARTY_NATURE_UNKNOWN, "unknown (national use)"},
615 { ISUP_CALLED_PARTY_NATURE_NATIONAL_NR, "national (significant) number"},
616 { ISUP_CALLED_PARTY_NATURE_INTERNATNL_NR, "international number"},
617 { ISUP_CALLED_PARTY_NATURE_NETW_SPEC_NR, "network-specific number (national use)"},
620 static const value_string isup_calling_party_nature_of_address_ind_value[] = {
621 { ISUP_CALLED_PARTY_NATURE_SUBSCRIBER_NR, "subscriber number (national use)"},
622 { ISUP_CALLED_PARTY_NATURE_UNKNOWN, "unknown (national use)"},
623 { ISUP_CALLED_PARTY_NATURE_NATIONAL_NR, "national (significant) number"},
624 { ISUP_CALLED_PARTY_NATURE_INTERNATNL_NR, "international number"},
627 static const true_false_string isup_INN_ind_value = {
628 "routing to internal network number not allowed",
629 "routing to internal network number allowed "
631 static const true_false_string isup_NI_ind_value = {
636 #define ISDN_NUMBERING_PLAN 1
637 #define DATA_NUMBERING_PLAN 3
638 #define TELEX_NUMBERING_PLAN 4
639 static const value_string isup_numbering_plan_ind_value[] = {
640 { ISDN_NUMBERING_PLAN, "ISDN (Telephony) numbering plan"},
641 { DATA_NUMBERING_PLAN, "Data numbering plan (national use)"},
642 { TELEX_NUMBERING_PLAN, "Telex numbering plan (national use)"},
643 { 5, "Reserved for national use"},
644 { 6, "Reserved for national use"},
647 #define ADDRESS_PRESETATION_ALLOWED 0
648 #define ADDRESS_PRESETATION_RESTRICTED 1
649 #define ADDRESS_NOT_AVAILABLE 2
650 static const value_string isup_address_presentation_restricted_ind_value[] = {
651 { ADDRESS_PRESETATION_ALLOWED, "presentation allowed"},
652 { ADDRESS_PRESETATION_RESTRICTED, "presentation restricted"},
653 { ADDRESS_NOT_AVAILABLE, "address not availabe (national use)"},
657 static const value_string isup_screening_ind_value[] = {
659 { 1, "user provided, verified and passed"},
661 { 3, "network provided"},
664 static const value_string isup_screening_ind_enhanced_value[] = {
665 { 0, "user provided, not verified"},
666 { 1, "user provided, verified and passed"},
667 { 2, "user provided, verified and failed"},
668 { 3, "network provided"},
671 static const value_string isup_called_party_address_digit_value[] = {
685 { 15, "Stop sending"},
688 static const value_string isup_calling_party_address_digit_value[] = {
705 /*End of Called/Calling party address definitions */
708 static const true_false_string isup_calling_party_address_request_ind_value = {
709 "calling party address requested",
710 "calling party address not requested"
712 static const true_false_string isup_holding_ind_value = {
714 "holding not requested"
716 static const true_false_string isup_calling_partys_category_request_ind_value = {
717 "Calling Party's category requested",
718 "Calling Party's category not requested",
720 static const true_false_string isup_charge_information_request_ind_value = {
721 "Charge Information requested",
722 "Charge Information not requested"
724 static const true_false_string isup_malicious_call_identification_request_ind_value = {
725 "Malicious call identification requested",
726 "Malicious call identification not requested"
729 #define CALLING_PARTY_ADDRESS_NOT_INCLUDED 0
730 #define CALLING_PARTY_ADDRESS_NOT_AVAILABLE 1
731 #define CALLING_PARTY_ADDRESS_INCLUDED 3
732 static const value_string isup_calling_party_address_response_ind_value[] = {
733 { CALLING_PARTY_ADDRESS_NOT_INCLUDED, "Calling party address not included"},
734 { CALLING_PARTY_ADDRESS_NOT_AVAILABLE,"Calling party address not available"},
736 { CALLING_PARTY_ADDRESS_INCLUDED, "Calling party address included"},
739 static const true_false_string isup_hold_provided_ind_value = {
743 static const true_false_string isup_calling_partys_category_response_ind_value = {
744 "Calling Party's category included",
745 "Calling Party's category not included",
747 static const true_false_string isup_charge_information_response_ind_value = {
748 "Charge Information included",
749 "Charge Information not included"
751 static const true_false_string isup_solicited_information_ind_value = {
756 static const true_false_string isup_continuity_ind_value = {
757 "Continuity check successful",
758 "Continuity ckec failed"
761 #define CHARGE_NO_IND 0
762 #define CHARGE_NO_CHARGE 1
763 #define CHARGE_CHARGE 2
764 static const value_string isup_charge_ind_value[] = {
765 { CHARGE_NO_IND, "No indication"},
766 { CHARGE_NO_CHARGE, "No charge"},
767 { CHARGE_CHARGE, "Charge"},
771 #define CALLED_PARTYS_STATUS_NO_IND 0
772 #define CALLED_PARTYS_STATUS_SUBSCR_FREE 1
773 #define CALLED_PARTYS_STATUS_CONNECT_WHEN_FREE 2
774 static const value_string isup_called_partys_status_ind_value[] = {
775 { CALLED_PARTYS_STATUS_NO_IND, "No indication"},
776 { CALLED_PARTYS_STATUS_SUBSCR_FREE, "Subscriber free"},
777 { CALLED_PARTYS_STATUS_CONNECT_WHEN_FREE, "Connect when free (national use)"},
781 #define CALLED_PARTYS_CATEGORY_NO_IND 0
782 #define CALLED_PARTYS_CATEGORY_ORDINARY_SUBSCR 1
783 #define CALLED_PARTYS_CATEGORY_PAYPHONE 2
784 static const value_string isup_called_partys_category_ind_value[] = {
785 { CALLED_PARTYS_CATEGORY_NO_IND, "No indication"},
786 { CALLED_PARTYS_CATEGORY_ORDINARY_SUBSCR, "Ordinary subscriber"},
787 { CALLED_PARTYS_CATEGORY_PAYPHONE, "Payphone"},
791 static const true_false_string isup_ISDN_terminating_access_ind_value = {
792 "terminating access ISDN",
793 "terminating access non-ISDN"
796 static const true_false_string isup_suspend_resume_ind_value = {
798 "ISDN subscriber initiated"
800 #define MAINTENANCE 0
801 #define HARDWARE_FAILURE 1
802 #define RES_FOR_NATNL_USE 2
803 static const value_string isup_cgs_message_type_value[] = {
804 { MAINTENANCE, "maintenance oriented"},
805 { HARDWARE_FAILURE, "hardware failure oriented"},
806 { RES_FOR_NATNL_USE, "reserved for national use (ISUP'84)"},
810 #define USER_TO_USER_SERVICE 2
811 static const value_string isup_facility_ind_value[] = {
812 { USER_TO_USER_SERVICE, "user-to-user service"},
815 #define MTC_BLCK_STATE_TRANSIENT 0
816 #define MTC_BLCK_STATE_UNEQUIPPED 3
817 static const value_string isup_mtc_blocking_state_DC00_value[] = {
818 { MTC_BLCK_STATE_TRANSIENT, "transient"},
821 { MTC_BLCK_STATE_UNEQUIPPED, "unequipped"},
824 #define MTC_BLCK_NO_BLOCKING 0
825 #define MTC_LOCALLY_BLOCKED 1
826 #define MTC_REMOTELY_BLOCKED 2
827 #define MTC_LOCAL_REMOTE_BLOCKED 3
828 static const value_string isup_mtc_blocking_state_DCnot00_value[] = {
829 { MTC_BLCK_NO_BLOCKING, "no blocking (active)"},
830 { MTC_LOCALLY_BLOCKED, "locally blocked"},
831 { MTC_REMOTELY_BLOCKED, "remotely blocked"},
832 { MTC_LOCAL_REMOTE_BLOCKED, "locally and remotely blocked"},
835 #define CALL_PROC_INCOMING_BUSY 1
836 #define CALL_PROC_OUTGOING_BUSY 2
837 #define CALL_PROC_IDLE 3
838 static const value_string isup_call_processing_state_value[] = {
839 { CALL_PROC_INCOMING_BUSY, "circuit incoming busy"},
840 { CALL_PROC_OUTGOING_BUSY, "circuit outgoing busy"},
841 { CALL_PROC_IDLE, "idle"},
844 #define HW_BLCK_NO_BLOCKING 0
845 #define HW_LOCALLY_BLOCKED 1
846 #define HW_REMOTELY_BLOCKED 2
847 #define HW_LOCAL_REMOTE_BLOCKED 3
848 static const value_string isup_HW_blocking_state_value[] = {
849 { HW_BLCK_NO_BLOCKING, "no blocking (active)"},
850 { HW_LOCALLY_BLOCKED, "locally blocked"},
851 { HW_REMOTELY_BLOCKED, "remotely blocked"},
852 { HW_LOCAL_REMOTE_BLOCKED, "locally and remotely blocked"},
855 #define EVENT_ALERTING 1
856 #define EVENT_PROGRESS 2
857 #define EVENT_INBAND_INFO 3
858 #define EVENT_ON_BUSY 4
859 #define EVENT_ON_NO_REPLY 5
860 #define EVENT_UNCONDITIONAL 6
861 static const value_string isup_event_ind_value[] = {
862 /* according 3.21/Q.763 */
863 { EVENT_ALERTING, "ALERTING"},
864 { EVENT_PROGRESS, "PROGRESS"},
865 { EVENT_INBAND_INFO, "in-band information or an appropriate pattern is now available"},
866 { EVENT_ON_BUSY, "call forwarded on busy (national use)"},
867 { EVENT_ON_NO_REPLY, "call forwarded on no reply (national use)"},
868 { EVENT_UNCONDITIONAL,"call forwarded unconditional (national use)"},
871 static const true_false_string isup_event_presentation_restricted_ind_value = {
872 /* according 3.21/Q.763 */
873 "presentation restricted",
876 #define CUG_NON_CUG_CALL 0
877 #define CUG_CALL_OUTGOING_ACCESS_ALLOWED 2
878 #define CUG_CALL_OUTGOING_ACCESS_NOT_ALLOWED 3
879 static const value_string isup_CUG_call_ind_value[] = {
880 /* according 3.38/Q.763 */
881 { CUG_NON_CUG_CALL, "non-CUG call"},
883 { CUG_CALL_OUTGOING_ACCESS_ALLOWED, "closed user group call, outgoing access allowed"},
884 { CUG_CALL_OUTGOING_ACCESS_NOT_ALLOWED, "closed user group call, outgoing access not allowed"},
888 static const true_false_string isup_simple_segmentation_ind_value = {
889 /* according 3.38/Q.763 */
890 "additional information will be sent in a segmentation message",
891 "no additional information will be sent"
894 static const true_false_string isup_connected_line_identity_request_ind_value = {
895 /* according 3.38/Q.763 */
900 static const value_string isup_redirecting_ind_value[] = {
901 /* according 3.45/Q.763 */
902 { 0, "no redirection (national use)"},
903 { 1, "call rerouted (national use)"},
904 { 2, "call rerouted, all redirection information presentation restricted (national use)"},
905 { 3, "call diverted"},
906 { 4, "call diverted, all redirection information presentation restricted"},
907 { 5, "call rerouted, redirection number presentation restricted (national use)"},
908 { 6, "call diversion, redirection number presentation restricted (national use)"},
912 static const value_string isup_original_redirection_reason_value[] = {
913 /* according 3.45/Q.763 */
914 { 0, "unknown/not available"},
915 { 1, "user busy (national use)"},
916 { 2, "no reply (national use)"},
917 { 3, "unconditional (national use)"},
920 static const value_string isup_redirection_reason_value[] = {
921 /* according 3.45/Q.763 */
922 { 0, "unknown/not available"},
923 { 1, "user busy (national use)"},
924 { 2, "no reply (national use)"},
925 { 3, "unconditional (national use)"},
926 { 4, "deflection during alerting"},
927 { 5, "deflection immediate response"},
928 { 6, "mobile subscriber not reachable"},
931 static const value_string isup_type_of_network_identification_value[] = {
932 /* according 3.53/Q.763 */
933 { 0, "CCITT/ITU-T-standardized identification"},
934 { 2, "national network identification"},
937 static const value_string isup_network_identification_plan_value[] = {
938 /* according 3.53/Q.763 */
939 { 0, "if CCITT/ITU-T id - unknown"},
940 { 3, "if CCITT/ITU-T id - public data network id code (X.121)"},
941 { 6, "if CCITT/ITU-T id - public land Mobile Network id code (E.211)"},
944 static const value_string isup_map_type_value[] = {
945 /* according 3.69/Q.763 */
946 { 1, "1544 kbit/s digital path map format (64 kbit/s base rate"},
947 { 2, "2048 kbit/s digital path map format (64 kbit/s base rate"},
950 static const value_string isup_auto_congestion_level_value[] = {
951 /* according 3.4/Q.763 */
952 { 1, "Congestion level 1 exceeded"},
953 { 2, "Congestion level 2 exceeded"},
956 static const true_false_string isup_inband_information_ind_value = {
957 /* according 3.37/Q.763 */
958 "in-band information or an appropirate pattern is now available",
961 static const true_false_string isup_call_diversion_may_occur_ind_value = {
962 /* according 3.37/Q.763 */
963 "call diversion may occur",
966 static const true_false_string isup_MLPP_user_ind_value = {
967 /* according 3.37/Q.763 */
972 static const true_false_string isup_access_delivery_ind_value = {
973 /* according 3.2/Q.763 */
974 "No set-up message generated",
975 "Set-up message generated"
978 static const value_string isup_loop_prevention_response_ind_value[] = {
979 /* according 3.67/Q.763 */
980 { 0, "insufficient information"},
981 { 1, "no loop exists"},
982 { 2, "simultaneous transfer"},
985 static const true_false_string isup_temporary_alternative_routing_ind_value = {
986 /* according 3.68/Q.763 */
987 "TAR controlled call",
990 static const true_false_string isup_extension_ind_value = {
991 /* according 3.68/Q.763 */
993 "information continues through the next octet"
996 static const value_string isup_call_to_be_diverted_ind_value[] = {
997 /* according 3.72/Q.763 */
998 { 0, "no indication"},
999 { 1, "call diversion allowed"},
1000 { 2, "call diversion not allowed"},
1004 static const value_string isup_call_to_be_offered_ind_value[] = {
1005 /* according 3.72/Q.763 */
1006 { 0, "no indication"},
1007 { 1, "call offering not allowed"},
1008 { 2, "call offering allowed"},
1012 static const value_string isup_conference_acceptance_ind_value[] = {
1013 /* according 3.76/Q.763 */
1014 { 0, "no indication"},
1015 { 1, "accept conference request"},
1016 { 2, "reject conference request"},
1021 /* Generalized bit masks for 8 and 16 bits fields */
1022 #define A_8BIT_MASK 0x01
1023 #define B_8BIT_MASK 0x02
1024 #define C_8BIT_MASK 0x04
1025 #define D_8BIT_MASK 0x08
1026 #define E_8BIT_MASK 0x10
1027 #define F_8BIT_MASK 0x20
1028 #define G_8BIT_MASK 0x40
1029 #define H_8BIT_MASK 0x80
1031 #define BA_8BIT_MASK 0x03
1032 #define CB_8BIT_MASK 0x06
1033 #define DC_8BIT_MASK 0x0C
1034 #define FE_8BIT_MASK 0x30
1035 #define GFE_8BIT_MASK 0x70
1036 #define DCBA_8BIT_MASK 0x0F
1037 #define EDCBA_8BIT_MASK 0x1F
1038 #define HGFE_8BIT_MASK 0xF0
1039 #define GFEDCBA_8BIT_MASK 0x7F
1040 #define FEDCBA_8BIT_MASK 0x3F
1042 #define A_16BIT_MASK 0x0100
1043 #define B_16BIT_MASK 0x0200
1044 #define C_16BIT_MASK 0x0400
1045 #define D_16BIT_MASK 0x0800
1046 #define E_16BIT_MASK 0x1000
1047 #define F_16BIT_MASK 0x2000
1048 #define G_16BIT_MASK 0x4000
1049 #define H_16BIT_MASK 0x8000
1050 #define I_16BIT_MASK 0x0001
1051 #define J_16BIT_MASK 0x0002
1052 #define K_16BIT_MASK 0x0004
1053 #define L_16BIT_MASK 0x0008
1054 #define M_16BIT_MASK 0x0010
1055 #define N_16BIT_MASK 0x0020
1056 #define O_16BIT_MASK 0x0040
1057 #define P_16BIT_MASK 0x0080
1059 #define BA_16BIT_MASK 0x0300
1060 #define CB_16BIT_MASK 0x0600
1061 #define DC_16BIT_MASK 0x0C00
1062 #define FE_16BIT_MASK 0x3000
1063 #define HG_16BIT_MASK 0xC000
1064 #define KJ_16BIT_MASK 0x0006
1065 #define PO_16BIT_MASK 0x00C0
1067 #define CBA_16BIT_MASK 0x0700
1068 #define KJI_16BIT_MASK 0x0007
1069 #define HGFE_16BIT_MASK 0xF000
1070 #define PONM_16BIT_MASK 0x00F0
1072 /* Initialize the protocol and registered fields */
1073 static int proto_isup = -1;
1074 static int hf_isup_cic = -1;
1075 static int hf_isup_message_type = -1;
1076 static int hf_isup_parameter_type = -1;
1077 static int hf_isup_parameter_length = -1;
1078 static int hf_isup_mandatory_variable_parameter_pointer = -1;
1079 static int hf_isup_pointer_to_start_of_optional_part = -1;
1081 static int hf_isup_satellite_indicator = -1;
1082 static int hf_isup_continuity_check_indicator = -1;
1083 static int hf_isup_echo_control_device_indicator = -1;
1085 static int hf_isup_forw_call_natnl_inatnl_call_indicator = -1;
1086 static int hf_isup_forw_call_end_to_end_method_indicator = -1;
1087 static int hf_isup_forw_call_interworking_indicator = -1;
1088 static int hf_isup_forw_call_end_to_end_info_indicator = -1;
1089 static int hf_isup_forw_call_isdn_user_part_indicator = -1;
1090 static int hf_isup_forw_call_preferences_indicator = -1;
1091 static int hf_isup_forw_call_isdn_access_indicator = -1;
1092 static int hf_isup_forw_call_sccp_method_indicator = -1;
1094 static int hf_isup_calling_partys_category = -1;
1096 static int hf_isup_transmission_medium_requirement = -1;
1098 static int hf_isup_odd_even_indicator = -1;
1099 static int hf_isup_called_party_nature_of_address_indicator = -1;
1100 static int hf_isup_calling_party_nature_of_address_indicator = -1;
1101 static int hf_isup_inn_indicator = -1;
1102 static int hf_isup_ni_indicator = -1;
1103 static int hf_isup_numbering_plan_indicator = -1;
1104 static int hf_isup_address_presentation_restricted_indicator = -1;
1105 static int hf_isup_screening_indicator = -1;
1106 static int hf_isup_screening_indicator_enhanced = -1;
1107 static int hf_isup_called_party_odd_address_signal_digit = -1;
1108 static int hf_isup_calling_party_odd_address_signal_digit = -1;
1109 static int hf_isup_called_party_even_address_signal_digit = -1;
1110 static int hf_isup_calling_party_even_address_signal_digit = -1;
1112 static int hf_isup_calling_party_address_request_indicator = -1;
1113 static int hf_isup_info_req_holding_indicator = -1;
1114 static int hf_isup_calling_partys_category_request_indicator = -1;
1115 static int hf_isup_charge_information_request_indicator = -1;
1116 static int hf_isup_malicious_call_identification_request_indicator = -1;
1118 static int hf_isup_calling_party_address_response_indicator = -1;
1119 static int hf_isup_hold_provided_indicator = -1;
1120 static int hf_isup_calling_partys_category_response_indicator = -1;
1121 static int hf_isup_charge_information_response_indicator = -1;
1122 static int hf_isup_solicited_indicator = -1;
1124 static int hf_isup_continuity_indicator = -1;
1126 static int hf_isup_backw_call_charge_ind = -1 ;
1127 static int hf_isup_backw_call_called_partys_status_ind = -1;
1128 static int hf_isup_backw_call_called_partys_category_ind = -1;
1129 static int hf_isup_backw_call_end_to_end_method_ind = -1;
1130 static int hf_isup_backw_call_interworking_ind = -1;
1131 static int hf_isup_backw_call_end_to_end_info_ind = -1;
1132 static int hf_isup_backw_call_isdn_user_part_ind = -1;
1133 static int hf_isup_backw_call_holding_ind = -1;
1134 static int hf_isup_backw_call_isdn_access_ind = -1;
1135 static int hf_isup_backw_call_echo_control_device_ind = -1;
1136 static int hf_isup_backw_call_sccp_method_ind = -1;
1138 static int hf_isup_suspend_resume_indicator = -1;
1140 static int hf_isup_range_indicator = -1;
1141 static int hf_isup_cgs_message_type = -1;
1143 static int hf_isup_mtc_blocking_state1 = -1;
1144 static int hf_isup_mtc_blocking_state2 = -1;
1145 static int hf_isup_call_proc_state = -1;
1146 static int hf_isup_hw_blocking_state = -1;
1148 static int hf_isup_event_ind = -1;
1149 static int hf_isup_event_presentation_restricted_ind = -1;
1151 static int hf_isup_cug_call_ind = -1;
1152 static int hf_isup_simple_segmentation_ind = -1;
1153 static int hf_isup_connected_line_identity_request_ind = -1;
1155 static int hf_isup_redirecting_ind = -1;
1156 static int hf_isup_original_redirection_reason = -1;
1157 static int hf_isup_redirection_counter = -1;
1158 static int hf_isup_redirection_reason = -1;
1160 static int hf_isup_type_of_network_identification = -1;
1161 static int hf_isup_network_identification_plan = -1;
1163 static int hf_isup_map_type = -1;
1165 static int hf_isup_automatic_congestion_level = -1;
1167 static int hf_isup_inband_information_ind = -1;
1168 static int hf_isup_call_diversion_may_occur_ind = -1;
1169 static int hf_isup_mlpp_user_ind = -1;
1171 static int hf_isup_access_delivery_ind =- -1;
1173 static int hf_isup_transmission_medium_requirement_prime = -1;
1175 static int hf_isup_loop_prevention_response_ind = -1;
1177 static int hf_isup_temporary_alternative_routing_ind = -1;
1178 static int hf_isup_extension_ind = -1;
1180 static int hf_isup_call_to_be_diverted_ind = -1;
1182 static int hf_isup_call_to_be_offered_ind = -1;
1184 static int hf_isup_conference_acceptance_ind = -1;
1186 /* Initialize the subtree pointers */
1187 static gint ett_isup = -1;
1188 static gint ett_isup_parameter = -1;
1189 static gint ett_isup_address_digits = -1;
1190 static gint ett_isup_pass_along_message = -1;
1191 static gint ett_isup_circuit_state_ind = -1;
1194 /* ------------------------------------------------------------------
1195 Mapping number to ASCII-character
1196 ------------------------------------------------------------------ */
1197 char number_to_char(int number)
1200 return ((char) number + ASCII_NUMBER_DELTA);
1202 return ((char) number + ASCII_LETTER_DELTA);
1206 /* ------------------------------------------------------------------ */
1207 /* Dissectors for all used parameter types */
1208 /* ------------------------------------------------------------------ */
1209 /* argument tvbuff_t contains only parameter-specific length */
1210 /* length indicator is already dissected in dissect_isup_message() or */
1211 /* dissect_isup_optional_parameter() */
1212 /* ------------------------------------------------------------------ */
1214 /* ------------------------------------------------------------------
1215 Dissector Parameter nature of connection flags
1218 dissect_isup_nature_of_connection_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1220 guint8 nature_of_connection_ind;
1222 nature_of_connection_ind = tvb_get_guint8(parameter_tvb, 0);
1223 proto_tree_add_uint(parameter_tree, hf_isup_satellite_indicator, parameter_tvb, 0,NATURE_OF_CONNECTION_IND_LENGTH, nature_of_connection_ind);
1224 proto_tree_add_uint(parameter_tree, hf_isup_continuity_check_indicator, parameter_tvb, 0,NATURE_OF_CONNECTION_IND_LENGTH, nature_of_connection_ind);
1225 proto_tree_add_boolean(parameter_tree, hf_isup_echo_control_device_indicator, parameter_tvb, 0, NATURE_OF_CONNECTION_IND_LENGTH, nature_of_connection_ind);
1227 proto_item_set_text(parameter_item, "Nature of Connection Indicators: 0x%x", nature_of_connection_ind);
1230 /* ------------------------------------------------------------------
1231 Dissector Parameter Forward Call Indicators
1234 dissect_isup_forward_call_indicators_parameter(tvbuff_t *parameter_tvb,proto_tree *parameter_tree, proto_item *parameter_item)
1236 guint16 forward_call_ind;
1238 forward_call_ind = tvb_get_ntohs(parameter_tvb, 0);
1239 proto_tree_add_boolean(parameter_tree, hf_isup_forw_call_natnl_inatnl_call_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
1240 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);
1241 proto_tree_add_boolean(parameter_tree, hf_isup_forw_call_interworking_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
1242 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);
1243 proto_tree_add_boolean(parameter_tree, hf_isup_forw_call_isdn_user_part_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
1244 proto_tree_add_uint(parameter_tree, hf_isup_forw_call_preferences_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
1245 proto_tree_add_boolean(parameter_tree, hf_isup_forw_call_isdn_access_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
1246 proto_tree_add_uint(parameter_tree, hf_isup_forw_call_sccp_method_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
1248 proto_item_set_text(parameter_item, "Forward Call Indicators: 0x%x", forward_call_ind );
1251 /* ------------------------------------------------------------------
1252 Dissector Parameter Calling Party's Category
1255 dissect_isup_calling_partys_category_parameter(tvbuff_t *parameter_tvb,proto_tree *parameter_tree, proto_item *parameter_item)
1257 guint8 calling_partys_category;
1259 calling_partys_category = tvb_get_guint8(parameter_tvb, 0);
1260 proto_tree_add_uint(parameter_tree, hf_isup_calling_partys_category, parameter_tvb, 0, CALLING_PRTYS_CATEGORY_LENGTH, calling_partys_category);
1262 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"));
1266 /* ------------------------------------------------------------------
1267 Dissector Parameter Transmission medium requirement
1270 dissect_isup_transmission_medium_requirement_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1272 guint8 transmission_medium_requirement;
1274 transmission_medium_requirement = tvb_get_guint8(parameter_tvb, 0);
1275 proto_tree_add_uint(parameter_tree, hf_isup_transmission_medium_requirement, parameter_tvb, 0, TRANSMISSION_MEDIUM_REQUIREMENT_LENGTH,transmission_medium_requirement);
1277 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"));
1279 /* ------------------------------------------------------------------
1280 Dissector Parameter Called party number
1282 void dissect_isup_called_party_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1284 proto_item *address_digits_item;
1285 proto_tree *address_digits_tree;
1286 guint8 indicators1, indicators2;
1287 guint8 address_digit_pair=0;
1291 char called_number[MAXLENGTH]="";
1293 indicators1 = tvb_get_guint8(parameter_tvb, 0);
1294 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
1295 proto_tree_add_uint(parameter_tree, hf_isup_called_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
1296 indicators2 = tvb_get_guint8(parameter_tvb, 1);
1297 proto_tree_add_boolean(parameter_tree, hf_isup_inn_indicator, parameter_tvb, 1, 1, indicators2);
1298 proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
1301 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
1303 "Called Party Number");
1304 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
1306 length = tvb_length_remaining(parameter_tvb, offset);
1308 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
1309 proto_tree_add_uint(address_digits_tree, hf_isup_called_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1310 called_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
1311 if ((length - 1) > 0 ){
1312 proto_tree_add_uint(address_digits_tree, hf_isup_called_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1313 called_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1316 length = tvb_length_remaining(parameter_tvb, offset);
1319 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
1320 proto_tree_add_uint(address_digits_tree, hf_isup_called_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
1321 called_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1323 called_number[i++] = '\0';
1325 proto_item_set_text(address_digits_item, "Called Party Number: %s", called_number);
1326 proto_item_set_text(parameter_item, "Called Party Number: %s", called_number);
1329 /* ------------------------------------------------------------------
1330 Dissector Parameter Subsequent number
1332 void dissect_isup_subsequent_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1334 proto_item *address_digits_item;
1335 proto_tree *address_digits_tree;
1337 guint8 address_digit_pair=0;
1341 char called_number[MAXLENGTH]="";
1343 indicators1 = tvb_get_guint8(parameter_tvb, 0);
1344 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
1347 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
1349 "Subsequent Number");
1350 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
1352 length = tvb_length_remaining(parameter_tvb, offset);
1354 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
1355 proto_tree_add_uint(address_digits_tree, hf_isup_called_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1356 called_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
1357 if ((length - 1) > 0 ){
1358 proto_tree_add_uint(address_digits_tree, hf_isup_called_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1359 called_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1362 length = tvb_length_remaining(parameter_tvb, offset);
1365 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
1366 proto_tree_add_uint(address_digits_tree, hf_isup_called_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
1367 called_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1369 called_number[i++] = '\0';
1371 proto_item_set_text(address_digits_item, "Subsequent Number: %s", called_number);
1372 proto_item_set_text(parameter_item, "Subsequent Number: %s", called_number);
1375 /* ------------------------------------------------------------------
1376 Dissector Parameter Information Request Indicators
1379 dissect_isup_information_request_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1381 guint16 information_request_indicators;
1383 information_request_indicators = tvb_get_ntohs(parameter_tvb, 0);
1384 proto_tree_add_boolean(parameter_tree, hf_isup_calling_party_address_request_indicator, parameter_tvb, 0, INFO_REQUEST_IND_LENGTH, information_request_indicators);
1385 proto_tree_add_boolean(parameter_tree, hf_isup_info_req_holding_indicator, parameter_tvb, 0, INFO_REQUEST_IND_LENGTH, information_request_indicators);
1386 proto_tree_add_boolean(parameter_tree, hf_isup_calling_partys_category_request_indicator, parameter_tvb, 0, INFO_REQUEST_IND_LENGTH, information_request_indicators);
1387 proto_tree_add_boolean(parameter_tree, hf_isup_charge_information_request_indicator, parameter_tvb, 0, INFO_REQUEST_IND_LENGTH, information_request_indicators);
1388 proto_tree_add_boolean(parameter_tree, hf_isup_malicious_call_identification_request_indicator, parameter_tvb, 0, INFO_REQUEST_IND_LENGTH, information_request_indicators);
1391 proto_item_set_text(parameter_item, "Information request indicators: 0x%x", information_request_indicators);
1393 /* ------------------------------------------------------------------
1394 Dissector Parameter Information Indicators
1397 dissect_isup_information_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1399 guint16 information_indicators;
1401 information_indicators = tvb_get_ntohs(parameter_tvb, 0);
1402 proto_tree_add_uint(parameter_tree, hf_isup_calling_party_address_response_indicator, parameter_tvb, 0, INFO_IND_LENGTH, information_indicators);
1403 proto_tree_add_boolean(parameter_tree, hf_isup_hold_provided_indicator, parameter_tvb, 0, INFO_IND_LENGTH, information_indicators);
1404 proto_tree_add_boolean(parameter_tree, hf_isup_calling_partys_category_response_indicator, parameter_tvb, 0, INFO_IND_LENGTH, information_indicators);
1405 proto_tree_add_boolean(parameter_tree, hf_isup_charge_information_response_indicator, parameter_tvb, 0, INFO_IND_LENGTH, information_indicators);
1406 proto_tree_add_boolean(parameter_tree, hf_isup_solicited_indicator, parameter_tvb, 0, INFO_IND_LENGTH, information_indicators);
1409 proto_item_set_text(parameter_item, "Information indicators: 0x%x", information_indicators);
1411 /* ------------------------------------------------------------------
1412 Dissector Parameter Continuity Indicators
1415 dissect_isup_continuity_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1417 guint8 continuity_indicators;
1419 continuity_indicators = tvb_get_guint8(parameter_tvb, 0);
1420 proto_tree_add_boolean(parameter_tree, hf_isup_continuity_indicator, parameter_tvb, 0, CONTINUITY_IND_LENGTH, continuity_indicators);
1422 proto_item_set_text(parameter_item, "Continuity indicators: 0x%x", continuity_indicators);
1424 /* ------------------------------------------------------------------
1425 Dissector Parameter Backward Call Indicators
1428 dissect_isup_backward_call_indicators_parameter(tvbuff_t *parameter_tvb,proto_tree *parameter_tree, proto_item *parameter_item)
1430 guint16 backward_call_ind;
1432 backward_call_ind = tvb_get_ntohs(parameter_tvb, 0);
1435 proto_tree_add_uint(parameter_tree, hf_isup_backw_call_charge_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
1436 proto_tree_add_uint(parameter_tree, hf_isup_backw_call_called_partys_status_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
1437 proto_tree_add_uint(parameter_tree, hf_isup_backw_call_called_partys_category_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
1438 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);
1439 proto_tree_add_boolean(parameter_tree, hf_isup_backw_call_interworking_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
1440 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);
1441 proto_tree_add_boolean(parameter_tree, hf_isup_backw_call_isdn_user_part_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
1442 proto_tree_add_boolean(parameter_tree, hf_isup_backw_call_holding_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
1443 proto_tree_add_boolean(parameter_tree, hf_isup_backw_call_isdn_access_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
1444 proto_tree_add_boolean(parameter_tree, hf_isup_backw_call_echo_control_device_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
1445 proto_tree_add_uint(parameter_tree, hf_isup_backw_call_sccp_method_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
1447 proto_item_set_text(parameter_item, "Backward Call Indicators: 0x%x", backward_call_ind);
1449 /* ------------------------------------------------------------------
1450 Dissector Parameter Cause Indicators - no detailed dissection since defined in Rec. Q.850
1453 dissect_isup_cause_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1454 { guint length = tvb_length(parameter_tvb);
1455 proto_tree_add_text(parameter_item, parameter_tvb,0, length, "Cause indicators (-> Q.850)");
1456 proto_item_set_text(parameter_item, "Cause indicators, see Q.850 (%u byte%s length)", length , plurality(length, "", "s"));
1459 /* ------------------------------------------------------------------
1460 Dissector Parameter Suspend/Resume Indicators
1463 dissect_isup_suspend_resume_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1467 indicators = tvb_get_guint8(parameter_tvb, 0);
1468 proto_tree_add_boolean(parameter_tree, hf_isup_suspend_resume_indicator, parameter_tvb, 0, SUSPEND_RESUME_IND_LENGTH, indicators);
1470 proto_item_set_text(parameter_item, "Suspend/Resume indicator: 0x%x", indicators);
1472 /* ------------------------------------------------------------------
1473 Dissector Parameter Range and Status Indicators
1476 dissect_isup_range_and_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1478 guint8 range, actual_status_length;
1480 range = tvb_get_guint8(parameter_tvb, 0);
1481 proto_tree_add_uint_format(parameter_tree, hf_isup_range_indicator, parameter_tvb, 0, RANGE_LENGTH, range, "Range: %u", range);
1482 actual_status_length = tvb_length_remaining(parameter_tvb, RANGE_LENGTH);
1483 if (actual_status_length > 0)
1484 proto_tree_add_text(parameter_tree, parameter_tvb , RANGE_LENGTH, actual_status_length, "Status subfield");
1486 proto_tree_add_text(parameter_tree, parameter_tvb , 0, 0, "Status subfield is not present with this message type");
1489 proto_item_set_text(parameter_item, "Range (%u) and status", range);
1491 /* ------------------------------------------------------------------
1492 Dissector Parameter Circuit group supervision message type
1495 dissect_isup_circuit_group_supervision_message_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1497 guint8 cgs_message_type;
1499 cgs_message_type = tvb_get_guint8(parameter_tvb, 0);
1500 proto_tree_add_uint(parameter_tree, hf_isup_cgs_message_type, parameter_tvb, 0, CIRC_GRP_SV_MSG_TYPE_LENGTH, cgs_message_type);
1502 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);
1504 /* ------------------------------------------------------------------
1505 Dissector Parameter Facility indicator parameter
1508 dissect_isup_facility_ind_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1512 indicator = tvb_get_guint8(parameter_tvb, 0);
1514 proto_item_set_text(parameter_item, "Facility indicator: %s (%u)" ,val_to_str(indicator, isup_facility_ind_value,"spare"), indicator);
1516 /* ------------------------------------------------------------------
1517 Dissector Parameter Circuit state indicator
1520 dissect_isup_circuit_state_ind_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1522 proto_item *circuit_state_item;
1523 proto_tree *circuit_state_tree;
1524 guint8 circuit_state;
1529 length = tvb_length_remaining(parameter_tvb, offset);
1531 circuit_state_item = proto_tree_add_text(parameter_tree, parameter_tvb,
1533 tvb_length_remaining(parameter_tvb, offset),
1534 "Circuit# CIC+%u state", i);
1535 circuit_state_tree = proto_item_add_subtree(circuit_state_item, ett_isup_circuit_state_ind);
1536 circuit_state = tvb_get_guint8(parameter_tvb, offset);
1537 if ((circuit_state & DC_8BIT_MASK) == 0){
1538 proto_tree_add_uint(circuit_state_tree, hf_isup_mtc_blocking_state1, parameter_tvb, offset, 1, circuit_state);
1539 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"));
1542 proto_tree_add_uint(circuit_state_tree, hf_isup_mtc_blocking_state2, parameter_tvb, offset, 1, circuit_state);
1543 proto_tree_add_uint(circuit_state_tree, hf_isup_call_proc_state, parameter_tvb, offset, 1, circuit_state);
1544 proto_tree_add_uint(circuit_state_tree, hf_isup_hw_blocking_state, parameter_tvb, offset, 1, circuit_state);
1545 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"));
1548 length = tvb_length_remaining(parameter_tvb, offset);
1550 proto_item_set_text(parameter_item, "Circuit state indicator (national use)");
1552 /* ------------------------------------------------------------------
1553 Dissector Parameter Event information
1556 dissect_isup_event_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1560 indicators = tvb_get_guint8(parameter_tvb, 0);
1561 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);
1562 proto_tree_add_boolean(parameter_tree, hf_isup_event_presentation_restricted_ind, parameter_tvb, 0, EVENT_INFO_LENGTH, indicators);
1564 proto_item_set_text(parameter_item,"Event information: %s (%u)", val_to_str(indicators & GFEDCBA_8BIT_MASK, isup_event_ind_value, "spare"),indicators );
1566 /* ------------------------------------------------------------------
1567 Dissector Parameter User-to-user information- no detailed dissection since defined in Rec. Q.931
1570 dissect_isup_user_to_user_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1571 { guint length = tvb_length(parameter_tvb);
1572 proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "User-to-user info (-> Q.931)");
1573 proto_item_set_text(parameter_item, "User-to-user information, see Q.931 (%u byte%s length)", length , plurality(length, "", "s"));
1575 /* ------------------------------------------------------------------
1576 Dissector Parameter Call Reference
1579 dissect_isup_call_reference_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1584 call_id = tvb_get_ntoh24(parameter_tvb, 0);
1585 spc = tvb_get_letohs(parameter_tvb, CALL_ID_LENGTH) & 0x3FFF; /*since 1st 2 bits spare */
1586 proto_tree_add_text(parameter_item, parameter_tvb, 0, CALL_ID_LENGTH, "Call identity: %u", call_id);
1587 proto_tree_add_text(parameter_item, parameter_tvb, CALL_ID_LENGTH, SPC_LENGTH, "Signalling Point Code: %u", spc);
1589 proto_item_set_text(parameter_item, "Call Reference: Call ID = %u, SPC = %u", call_id, spc);
1591 /* ------------------------------------------------------------------
1592 Dissector Parameter Access Transport - no detailed dissection since defined in Rec. Q.931
1595 dissect_isup_access_transport_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1596 { guint length = tvb_length(parameter_tvb);
1597 proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Access transport parameter field (-> Q.931)");
1598 proto_item_set_text(parameter_item, "Access transport, see Q.931 (%u byte%s length)", length , plurality(length, "", "s"));
1600 /* ------------------------------------------------------------------
1601 Dissector Parameter Optional Forward Call indicators
1604 dissect_isup_optional_forward_call_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1608 indicators = tvb_get_guint8(parameter_tvb, 0);
1609 proto_tree_add_uint(parameter_tree, hf_isup_cug_call_ind, parameter_tvb, 0, OPTIONAL_FORWARD_CALL_IND_LENGTH, indicators);
1610 proto_tree_add_boolean(parameter_tree, hf_isup_simple_segmentation_ind, parameter_tvb, 0, OPTIONAL_FORWARD_CALL_IND_LENGTH, indicators);
1611 proto_tree_add_boolean(parameter_tree, hf_isup_connected_line_identity_request_ind, parameter_tvb, 0, OPTIONAL_FORWARD_CALL_IND_LENGTH, indicators);
1614 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 );
1616 /* ------------------------------------------------------------------
1617 Dissector Parameter calling party number
1620 dissect_isup_calling_party_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1622 proto_item *address_digits_item;
1623 proto_tree *address_digits_tree;
1624 guint8 indicators1, indicators2;
1625 guint8 address_digit_pair=0;
1629 char calling_number[MAXLENGTH]="";
1631 indicators1 = tvb_get_guint8(parameter_tvb, 0);
1632 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
1633 proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
1634 indicators2 = tvb_get_guint8(parameter_tvb, 1);
1635 proto_tree_add_boolean(parameter_tree, hf_isup_ni_indicator, parameter_tvb, 1, 1, indicators2);
1636 proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
1637 proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 1, 1, indicators2);
1638 proto_tree_add_uint(parameter_tree, hf_isup_screening_indicator, parameter_tvb, 1, 1, indicators2);
1641 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
1643 "Calling Party Number");
1644 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
1646 length = tvb_length_remaining(parameter_tvb, offset);
1648 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
1649 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1650 calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
1651 if ((length - 1) > 0 ){
1652 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1653 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1656 length = tvb_length_remaining(parameter_tvb, offset);
1659 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
1660 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
1661 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1663 calling_number[i++] = '\0';
1665 proto_item_set_text(address_digits_item, "Calling Party Number: %s", calling_number);
1666 proto_item_set_text(parameter_item, "Calling Party Number: %s", calling_number);
1669 /* ------------------------------------------------------------------
1670 Dissector Parameter Original called number
1673 dissect_isup_original_called_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1675 proto_item *address_digits_item;
1676 proto_tree *address_digits_tree;
1677 guint8 indicators1, indicators2;
1678 guint8 address_digit_pair=0;
1682 char calling_number[MAXLENGTH]="";
1684 indicators1 = tvb_get_guint8(parameter_tvb, 0);
1685 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
1686 proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
1687 indicators2 = tvb_get_guint8(parameter_tvb, 1);
1688 proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
1689 proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 1, 1, indicators2);
1692 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
1694 "Original Called Number");
1695 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
1697 length = tvb_length_remaining(parameter_tvb, offset);
1699 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
1700 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1701 calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
1702 if ((length - 1) > 0 ){
1703 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1704 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1707 length = tvb_length_remaining(parameter_tvb, offset);
1710 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
1711 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
1712 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1714 calling_number[i++] = '\0';
1716 proto_item_set_text(address_digits_item, "Original Called Number: %s", calling_number);
1717 proto_item_set_text(parameter_item, "Original Called Number: %s", calling_number);
1720 /* ------------------------------------------------------------------
1721 Dissector Parameter Redirecting number
1724 dissect_isup_redirecting_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1726 proto_item *address_digits_item;
1727 proto_tree *address_digits_tree;
1728 guint8 indicators1, indicators2;
1729 guint8 address_digit_pair=0;
1733 char calling_number[MAXLENGTH]="";
1735 indicators1 = tvb_get_guint8(parameter_tvb, 0);
1736 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
1737 proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
1738 indicators2 = tvb_get_guint8(parameter_tvb, 1);
1739 proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
1740 proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 1, 1, indicators2);
1743 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
1745 "Redirecting Number");
1746 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
1748 length = tvb_length_remaining(parameter_tvb, offset);
1750 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
1751 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1752 calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
1753 if ((length - 1) > 0 ){
1754 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1755 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1758 length = tvb_length_remaining(parameter_tvb, offset);
1761 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
1762 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
1763 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1765 calling_number[i++] = '\0';
1767 proto_item_set_text(address_digits_item, "Redirecting Number: %s", calling_number);
1768 proto_item_set_text(parameter_item, "Redirecting Number: %s", calling_number);
1771 /* ------------------------------------------------------------------
1772 Dissector Parameter Redirection number
1774 void dissect_isup_redirection_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1776 proto_item *address_digits_item;
1777 proto_tree *address_digits_tree;
1778 guint8 indicators1, indicators2;
1779 guint8 address_digit_pair=0;
1783 char called_number[MAXLENGTH]="";
1785 indicators1 = tvb_get_guint8(parameter_tvb, 0);
1786 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
1787 proto_tree_add_uint(parameter_tree, hf_isup_called_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
1788 indicators2 = tvb_get_guint8(parameter_tvb, 1);
1789 proto_tree_add_boolean(parameter_tree, hf_isup_inn_indicator, parameter_tvb, 1, 1, indicators2);
1790 proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
1793 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
1795 "Redirection Number");
1796 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
1798 length = tvb_length_remaining(parameter_tvb, offset);
1800 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
1801 proto_tree_add_uint(address_digits_tree, hf_isup_called_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1802 called_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
1803 if ((length - 1) > 0 ){
1804 proto_tree_add_uint(address_digits_tree, hf_isup_called_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1805 called_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1808 length = tvb_length_remaining(parameter_tvb, offset);
1811 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
1812 proto_tree_add_uint(address_digits_tree, hf_isup_called_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
1813 called_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1815 called_number[i++] = '\0';
1817 proto_item_set_text(address_digits_item, "Redirection Number: %s", called_number);
1818 proto_item_set_text(parameter_item, "Redirection Number: %s", called_number);
1820 /* ------------------------------------------------------------------
1821 Dissector Parameter Connection request
1824 dissect_isup_connection_request_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1828 guint8 protocol_class, credit, offset=0;
1830 local_ref = tvb_get_ntoh24(parameter_tvb, 0);
1831 proto_tree_add_text(parameter_item, parameter_tvb, offset, LOCAL_REF_LENGTH, "Local Reference: %u", local_ref);
1832 offset = LOCAL_REF_LENGTH;
1833 spc = tvb_get_letohs(parameter_tvb,offset) & 0x3FFF; /*since 1st 2 bits spare */
1834 proto_tree_add_text(parameter_item, parameter_tvb, offset, SPC_LENGTH, "Signalling Point Code: %u", spc);
1835 offset += SPC_LENGTH;
1836 protocol_class = tvb_get_guint8(parameter_tvb, offset);
1837 proto_tree_add_text(parameter_item, parameter_tvb, offset, PROTOCOL_CLASS_LENGTH, "Protocol Class: %u", protocol_class);
1838 offset += PROTOCOL_CLASS_LENGTH;
1839 credit = tvb_get_guint8(parameter_tvb, offset);
1840 proto_tree_add_text(parameter_item, parameter_tvb, offset, CREDIT_LENGTH, "Credit: %u", credit);
1841 offset += CREDIT_LENGTH;
1843 proto_item_set_text(parameter_item, "Connection request: Local Reference = %u, SPC = %u, Protocol Class = %u, Credit = %u", local_ref, spc, protocol_class, credit);
1845 /* ------------------------------------------------------------------
1846 Dissector Parameter Redirection information
1849 dissect_isup_redirection_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1851 if (tvb_length(parameter_tvb) == 2){
1853 indicators = tvb_get_ntohs(parameter_tvb, 0);
1854 proto_tree_add_uint(parameter_tree, hf_isup_redirecting_ind, parameter_tvb,0 , REDIRECTION_INFO_LENGTH, indicators);
1855 proto_tree_add_uint(parameter_tree, hf_isup_original_redirection_reason, parameter_tvb,0 , REDIRECTION_INFO_LENGTH, indicators);
1856 proto_tree_add_uint(parameter_tree, hf_isup_redirection_counter, parameter_tvb,0 , REDIRECTION_INFO_LENGTH, indicators);
1857 proto_tree_add_uint(parameter_tree, hf_isup_redirection_reason, parameter_tvb,0 , REDIRECTION_INFO_LENGTH, indicators);
1858 proto_item_set_text(parameter_item, "Redirection Information");
1860 else { /* ISUP'88 (blue book) */
1862 indicators = tvb_get_guint8(parameter_tvb, 0) * 0x100; /*since 2nd octet isn't present*/
1863 proto_tree_add_uint(parameter_tree, hf_isup_redirecting_ind, parameter_tvb, 0, 1, indicators);
1864 proto_tree_add_uint(parameter_tree, hf_isup_original_redirection_reason, parameter_tvb,0 , 1, indicators);
1865 proto_item_set_text(parameter_item, "Redirection Information (2nd octet not present since ISUP '88)");
1868 /* ------------------------------------------------------------------
1869 Dissector Parameter Closed user group interlock code
1871 void dissect_isup_closed_user_group_interlock_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1873 char NI_digits[5]="";
1877 digit_pair = tvb_get_guint8(parameter_tvb, 0);
1878 NI_digits[0] = number_to_char((digit_pair & HGFE_8BIT_MASK) / 0x10);
1879 NI_digits[1] = number_to_char(digit_pair & DCBA_8BIT_MASK);
1880 digit_pair = tvb_get_guint8(parameter_tvb, 1);
1881 NI_digits[2] = number_to_char((digit_pair & HGFE_8BIT_MASK) / 0x10);
1882 NI_digits[3] = number_to_char(digit_pair & DCBA_8BIT_MASK);
1883 NI_digits[4] = '\0';
1884 proto_tree_add_text(parameter_item, parameter_tvb, 0, 2, "Network Identity: %s", NI_digits);
1885 bin_code = tvb_get_ntohs(parameter_tvb, 2);
1886 proto_tree_add_text(parameter_item, parameter_tvb, 3, 2, "Binary Code: 0x%x", bin_code);
1887 proto_item_set_text(parameter_item, "Closed user group interlock code: NI = %s, Binary code = 0x%x", NI_digits, bin_code);
1889 /* ------------------------------------------------------------------
1890 Dissector Parameter User service information- no detailed dissection since defined in Rec. Q.931
1893 dissect_isup_user_service_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1894 { guint length = tvb_length(parameter_tvb);
1895 proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "User service information (-> Q.931)");
1896 proto_item_set_text(parameter_item, "User service information, see Q.931 (%u byte%s length)", length , plurality(length, "", "s"));
1898 /* ------------------------------------------------------------------
1899 Dissector Parameter Signalling point code
1902 dissect_isup_signalling_point_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1906 spc = tvb_get_letohs(parameter_tvb, 0) & 0x3FFF; /*since 1st 2 bits spare */
1907 proto_tree_add_text(parameter_item, parameter_tvb, 0, SIGNALLING_POINT_CODE_LENGTH, "Signalling Point Code: %u", spc);
1909 proto_item_set_text(parameter_item, "Signalling point code: %u", spc);
1911 /* ------------------------------------------------------------------
1912 Dissector Parameter Connected number
1915 dissect_isup_connected_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1917 proto_item *address_digits_item;
1918 proto_tree *address_digits_tree;
1919 guint8 indicators1, indicators2;
1920 guint8 address_digit_pair=0;
1924 char calling_number[MAXLENGTH]="";
1926 indicators1 = tvb_get_guint8(parameter_tvb, 0);
1927 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
1928 proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
1929 indicators2 = tvb_get_guint8(parameter_tvb, 1);
1930 proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
1931 proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 1, 1, indicators2);
1932 proto_tree_add_uint(parameter_tree, hf_isup_screening_indicator, parameter_tvb, 1, 1, indicators2);
1935 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
1937 "Connected Number");
1938 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
1940 length = tvb_length_remaining(parameter_tvb, offset);
1942 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
1943 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1944 calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
1945 if ((length - 1) > 0 ){
1946 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1947 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1950 length = tvb_length_remaining(parameter_tvb, offset);
1953 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
1954 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
1955 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1957 calling_number[i++] = '\0';
1959 proto_item_set_text(address_digits_item, "Connected Number: %s", calling_number);
1960 proto_item_set_text(parameter_item, "Connected Number: %s", calling_number);
1963 /* ------------------------------------------------------------------
1964 Dissector Transit network selection
1967 dissect_isup_transit_network_selection_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1969 proto_item *address_digits_item;
1970 proto_tree *address_digits_tree;
1972 guint8 address_digit_pair=0;
1976 char network_id[MAXLENGTH]="";
1978 indicators = tvb_get_guint8(parameter_tvb, 0);
1979 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators);
1980 proto_tree_add_uint(parameter_tree, hf_isup_type_of_network_identification, parameter_tvb, 0, 1, indicators);
1981 proto_tree_add_uint(parameter_tree, hf_isup_network_identification_plan, parameter_tvb, 0, 1, indicators);
1984 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
1986 "Network identification");
1987 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
1989 length = tvb_length_remaining(parameter_tvb, offset);
1991 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
1992 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1993 network_id[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
1994 if ((length - 1) > 0 ){
1995 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
1996 network_id[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
1999 length = tvb_length_remaining(parameter_tvb, offset);
2002 if (((indicators & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
2003 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
2004 network_id[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
2006 network_id[i++] = '\0';
2008 proto_item_set_text(address_digits_item, "Network identification: %s", network_id);
2009 proto_item_set_text(parameter_item, "Transit network selection: %s", network_id);
2012 /* ------------------------------------------------------------------
2013 Dissector Parameter Circuit assignment map
2016 dissect_isup_circuit_assignment_map_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2019 map_type = tvb_get_guint8(parameter_tvb, 0);
2020 proto_tree_add_uint(parameter_tree, hf_isup_map_type, parameter_tvb, 0, 1, map_type);
2021 proto_tree_add_text(parameter_item, parameter_tvb, 1, 5, "Circuit assignment map (bit position indicates usage of corresponding circuit->3.69/Q.763)");
2022 proto_item_set_text(parameter_item, "Circuit assignment map");
2024 /* ------------------------------------------------------------------
2025 Dissector Parameter Automatic congestion level
2028 dissect_isup_automatic_congestion_level_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2029 { guint8 congestion_level;
2031 congestion_level = tvb_get_guint8(parameter_tvb, 0);
2032 proto_tree_add_uint(parameter_tree, hf_isup_automatic_congestion_level, parameter_tvb, 0, AUTO_CONGEST_LEVEL_LENGTH, congestion_level);
2033 proto_item_set_text(parameter_item, "Automatic congestion level: %s (%u)", val_to_str(congestion_level, isup_auto_congestion_level_value, "spare"), congestion_level);
2035 /* ------------------------------------------------------------------
2036 Dissector Parameter Optional backward Call indicators
2039 dissect_isup_optional_backward_call_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2043 indicators = tvb_get_guint8(parameter_tvb, 0);
2044 proto_tree_add_boolean(parameter_tree, hf_isup_inband_information_ind, parameter_tvb, 0, OPTIONAL_BACKWARD_CALL_IND_LENGTH, indicators);
2045 proto_tree_add_boolean(parameter_tree, hf_isup_call_diversion_may_occur_ind, parameter_tvb, 0, OPTIONAL_BACKWARD_CALL_IND_LENGTH, indicators);
2046 proto_tree_add_boolean(parameter_tree, hf_isup_simple_segmentation_ind, parameter_tvb, 0, OPTIONAL_BACKWARD_CALL_IND_LENGTH, indicators);
2047 proto_tree_add_boolean(parameter_tree, hf_isup_mlpp_user_ind, parameter_tvb, 0, OPTIONAL_BACKWARD_CALL_IND_LENGTH, indicators);
2050 proto_item_set_text(parameter_item,"Optional backward call indicators: 0x%x", indicators );
2052 /* ------------------------------------------------------------------
2053 Dissector Parameter User-to-user indicators
2056 dissect_isup_user_to_user_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2060 indicators = tvb_get_guint8(parameter_tvb, 0);
2061 proto_tree_add_text(parameter_item, parameter_tvb, 0, USER_TO_USER_IND_LENGTH, "User-to-user indicators: 0x%x (refer to 3.60/Q.763 for detailed decoding)", indicators );
2062 proto_item_set_text(parameter_item,"User-to-user indicators: 0x%x", indicators );
2064 /* ------------------------------------------------------------------
2065 Dissector Parameter Original ISC point code
2068 dissect_isup_original_isc_point_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2072 spc = tvb_get_letohs(parameter_tvb, 0) & 0x3FFF; /*since 1st 2 bits spare */
2073 proto_tree_add_text(parameter_item, parameter_tvb, 0, ORIGINAL_ISC_POINT_CODE_LENGTH, "Origination ISC Point Code: %u", spc);
2075 proto_item_set_text(parameter_item, "Origination ISC point code: %u", spc);
2077 /* ------------------------------------------------------------------
2078 Dissector Parameter Generic notification indicator
2081 dissect_isup_generic_notification_indicator_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2085 indicators = tvb_get_guint8(parameter_tvb, 0);
2086 proto_tree_add_text(parameter_item, parameter_tvb, 0, GENERIC_NOTIFICATION_IND_LENGTH, "Generic notification indicator: 0x%x (refer to 3.25/Q.763 for detailed decoding)", indicators );
2087 proto_item_set_text(parameter_item,"Generic notification indicator: 0x%x", indicators );
2089 /* ------------------------------------------------------------------
2090 Dissector Parameter Call history information
2093 dissect_isup_call_history_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2097 info = tvb_get_ntohs(parameter_tvb, 0);
2098 proto_tree_add_text(parameter_item, parameter_tvb, 0, CALL_HISTORY_INFO_LENGTH, "Call history info: propagation delay = %u ms", info);
2099 proto_item_set_text(parameter_item,"Call history info: propagation delay = %u ms", info);
2101 /* ------------------------------------------------------------------
2102 Dissector Parameter Access delivery information
2105 dissect_isup_access_delivery_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2108 indicator = tvb_get_guint8(parameter_tvb, 0);
2109 proto_tree_add_boolean(parameter_tree, hf_isup_access_delivery_ind, parameter_tvb, 0, ACCESS_DELIVERY_INFO_LENGTH, indicator);
2110 proto_item_set_text(parameter_item, "Access delivery information: 0x%x", indicator);
2112 /* ------------------------------------------------------------------
2113 Dissector Parameter Network specific facility
2116 dissect_isup_network_specific_facility_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2117 { guint length = tvb_length(parameter_tvb);
2118 proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Network specific facility (refer to 3.36/Q.763 for detailed decoding)");
2119 proto_item_set_text(parameter_item, "Network specific facility (%u byte%s length)", length , plurality(length, "", "s"));
2121 /* ------------------------------------------------------------------
2122 Dissector Parameter User service information prime
2125 dissect_isup_user_service_information_prime_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2126 { guint length = tvb_length(parameter_tvb);
2127 proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "User service information prime (-> Q.931)");
2128 proto_item_set_text(parameter_item, "User service information prime, see Q.931 (%u byte%s length)", length , plurality(length, "", "s"));
2130 /* ------------------------------------------------------------------
2131 Dissector Parameter Propagation delay counter
2134 dissect_isup_propagation_delay_counter_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2138 info = tvb_get_ntohs(parameter_tvb, 0);
2139 proto_tree_add_text(parameter_item, parameter_tvb, 0, PROPAGATION_DELAY_COUNT_LENGTH, "Propagation delay counter = %u ms", info);
2140 proto_item_set_text(parameter_item,"Propagation delay counter = %u ms", info);
2142 /* ------------------------------------------------------------------
2143 Dissector Parameter Remote operations
2146 dissect_isup_remote_operations_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2147 { guint length = tvb_length(parameter_tvb);
2148 proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Remote operations");
2149 proto_item_set_text(parameter_item, "Remote operations (%u byte%s length)", length , plurality(length, "", "s"));
2151 /* ------------------------------------------------------------------
2152 Dissector Parameter Service activation
2155 dissect_isup_service_activation_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2158 guint8 feature_code;
2159 guint length = tvb_length(parameter_tvb);
2160 for (i=0; i< length; i++){
2161 feature_code = tvb_get_guint8(parameter_tvb, i);
2162 proto_tree_add_text(parameter_item, parameter_tvb, i, 1, "Feature Code %u: %u", i+1, feature_code);
2164 proto_item_set_text(parameter_item, "Service Activation (%u byte%s length)", length , plurality(length, "", "s"));
2166 /* ------------------------------------------------------------------
2167 Dissector Parameter User service information prime - no detailed dissection since defined in Rec. Q.931
2170 dissect_isup_user_teleservice_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2172 proto_tree_add_text(parameter_item, parameter_tvb, 0, USER_TELESERVICE_INFO_LENGTH, "User teleservice information (-> Q.931)");
2173 proto_item_set_text(parameter_item, "User teleservice information, see Q.931");
2175 /* ------------------------------------------------------------------
2176 Dissector Parameter Transmission medium requirement used
2179 dissect_isup_transmission_medium_used_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2181 guint8 transmission_medium_requirement;
2183 transmission_medium_requirement = tvb_get_guint8(parameter_tvb, 0);
2184 proto_tree_add_uint(parameter_tree, hf_isup_transmission_medium_requirement_prime, parameter_tvb, 0, TRANSMISSION_MEDIUM_RQMT_PRIME_LENGTH,transmission_medium_requirement);
2186 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"));
2188 /* ------------------------------------------------------------------
2189 Dissector Parameter Call diversion information
2192 dissect_isup_call_diversion_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2195 indicator = tvb_get_guint8(parameter_tvb, 0);
2196 proto_tree_add_text(parameter_item, parameter_tvb, 0, CALL_DIV_INFO_LENGTH, "Call diversion information: 0x%x (refer to 3.6/Q.763 for detailed decoding)", indicator);
2197 proto_item_set_text(parameter_item, "Call diversion information: 0x%x", indicator);
2199 /* ------------------------------------------------------------------
2200 Dissector Parameter Echo control information
2203 dissect_isup_echo_control_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2206 indicator = tvb_get_guint8(parameter_tvb, 0);
2207 proto_tree_add_text(parameter_item, parameter_tvb, 0, ECHO_CONTROL_INFO_LENGTH, "Echo control information: 0x%x (refer to 3.19/Q.763 for detailed decoding)", indicator);
2208 proto_item_set_text(parameter_item, "Echo control information: 0x%x", indicator);
2210 /* ------------------------------------------------------------------
2211 Dissector Parameter Message compatibility information
2214 dissect_isup_message_compatibility_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2215 { guint length = tvb_length(parameter_tvb);
2216 proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Message compatibility information (refer to 3.33/Q.763 for detailed decoding)");
2217 proto_item_set_text(parameter_item, "Message compatibility information (%u byte%s length)", length , plurality(length, "", "s"));
2219 /* ------------------------------------------------------------------
2220 Dissector Parameter compatibility information
2223 dissect_isup_parameter_compatibility_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2225 guint length = tvb_length(parameter_tvb);
2226 proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Parameter compatibility information (refer to 3.41/Q.763 for detailed decoding)");
2227 proto_item_set_text(parameter_item, "Parameter compatibility information (%u byte%s length)", length , plurality(length, "", "s"));
2229 /* ------------------------------------------------------------------
2230 Dissector Parameter MLPP precedence
2232 void dissect_isup_mlpp_precedence_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2234 char NI_digits[5]="";
2235 guint8 indicators, digit_pair;
2238 indicators = tvb_get_guint8(parameter_tvb, 0);
2239 proto_tree_add_text(parameter_item, parameter_tvb, 0, 1, "LFB (Bits 6+7) and precedence level (Bits 1-4): 0x%x",indicators);
2240 digit_pair = tvb_get_guint8(parameter_tvb, 1);
2241 NI_digits[0] = number_to_char((digit_pair & HGFE_8BIT_MASK) / 0x10);
2242 NI_digits[1] = number_to_char(digit_pair & DCBA_8BIT_MASK);
2243 digit_pair = tvb_get_guint8(parameter_tvb, 2);
2244 NI_digits[2] = number_to_char((digit_pair & HGFE_8BIT_MASK) / 0x10);
2245 NI_digits[3] = number_to_char(digit_pair & DCBA_8BIT_MASK);
2246 NI_digits[4] = '\0';
2247 proto_tree_add_text(parameter_item, parameter_tvb, 1, 2, "Network Identity: %s", NI_digits);
2248 bin_code = tvb_get_ntoh24(parameter_tvb, 3);
2249 proto_tree_add_text(parameter_item, parameter_tvb, 3, 3, "MLPP service domain: 0x%x", bin_code);
2250 proto_item_set_text(parameter_item, "MLPP precedence: NI = %s, MLPP service domain = 0x%x", NI_digits, bin_code);
2252 /* ------------------------------------------------------------------
2253 Dissector Parameter MCID request indicators
2256 dissect_isup_mcid_request_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2259 indicator = tvb_get_guint8(parameter_tvb, 0);
2260 proto_tree_add_text(parameter_item, 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);
2261 proto_item_set_text(parameter_item, "MCID request indicators: 0x%x", indicator);
2263 /* ------------------------------------------------------------------
2264 Dissector Parameter MCID response indicators
2267 dissect_isup_mcid_response_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2270 indicator = tvb_get_guint8(parameter_tvb, 0);
2271 proto_tree_add_text(parameter_item, 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);
2272 proto_item_set_text(parameter_item, "MCID response indicators: 0x%x", indicator);
2274 /* ------------------------------------------------------------------
2275 Dissector Parameter Hop counter
2278 dissect_isup_hop_counter_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2281 counter = tvb_get_guint8(parameter_tvb, 0) & EDCBA_8BIT_MASK; /* since bits H,G and F are spare */
2282 proto_tree_add_text(parameter_item, parameter_tvb, 0, HOP_COUNTER_LENGTH, "Hop counter: %u", counter);
2283 proto_item_set_text(parameter_item, "Hop counter: %u", counter);
2285 /* ------------------------------------------------------------------
2286 Dissector Parameter Transmission medium requirement prime
2289 dissect_isup_transmission_medium_requirement_prime_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2291 guint8 transmission_medium_requirement;
2293 transmission_medium_requirement = tvb_get_guint8(parameter_tvb, 0);
2294 proto_tree_add_uint(parameter_tree, hf_isup_transmission_medium_requirement_prime, parameter_tvb, 0, TRANSMISSION_MEDIUM_RQMT_PRIME_LENGTH,transmission_medium_requirement);
2296 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"));
2299 /* ------------------------------------------------------------------
2300 Dissector Parameter location number
2303 dissect_isup_location_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2305 proto_item *address_digits_item;
2306 proto_tree *address_digits_tree;
2307 guint8 indicators1, indicators2;
2308 guint8 address_digit_pair=0;
2312 char calling_number[MAXLENGTH]="";
2314 indicators1 = tvb_get_guint8(parameter_tvb, 0);
2315 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
2316 proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
2317 indicators2 = tvb_get_guint8(parameter_tvb, 1);
2318 proto_tree_add_boolean(parameter_tree, hf_isup_inn_indicator, parameter_tvb, 1, 1, indicators2);
2319 proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
2320 if ((indicators2 & GFE_8BIT_MASK) == 0x50)
2321 proto_tree_add_text(parameter_item, parameter_tvb, 1, 1, "Different meaning for Location Number: Numbering plan indicator = private numbering plan");
2322 proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 1, 1, indicators2);
2323 proto_tree_add_uint(parameter_tree, hf_isup_screening_indicator, parameter_tvb, 1, 1, indicators2);
2326 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
2329 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
2331 length = tvb_length_remaining(parameter_tvb, offset);
2333 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
2334 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
2335 calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
2336 if ((length - 1) > 0 ){
2337 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
2338 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
2341 length = tvb_length_remaining(parameter_tvb, offset);
2344 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
2345 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
2346 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
2348 calling_number[i++] = '\0';
2350 proto_item_set_text(address_digits_item, "Location number: %s", calling_number);
2351 proto_item_set_text(parameter_item, "Location number: %s", calling_number);
2354 /* ------------------------------------------------------------------
2355 Dissector Parameter Redirection number restiriction
2358 dissect_isup_redirection_number_restriction_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2362 indicator = tvb_get_guint8(parameter_tvb, 0);
2363 switch (indicator & BA_8BIT_MASK) {
2365 proto_tree_add_text(parameter_item, parameter_tvb, 0, REDIRECTION_NUMBER_RESTRICTION_LENGTH, "Presentation indicator: Presentation allowed");
2368 proto_tree_add_text(parameter_item, parameter_tvb, 0, REDIRECTION_NUMBER_RESTRICTION_LENGTH, "Presentation indicator: Presentation restricted");
2371 proto_tree_add_text(parameter_item, parameter_tvb, 0, REDIRECTION_NUMBER_RESTRICTION_LENGTH, "Presentation indicator: spare");
2374 proto_item_set_text(parameter_item, "Redirection number restriction: 0x%x ", indicator);
2376 /* ------------------------------------------------------------------
2377 Dissector Parameter Call transfer identity
2380 dissect_isup_call_transfer_reference_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2383 id = tvb_get_guint8(parameter_tvb, 0);
2384 proto_tree_add_text(parameter_item, parameter_tvb, 0, CALL_TRANSFER_REF_LENGTH, "Call transfer identity: %u", id);
2385 proto_item_set_text(parameter_item, "Call transfer reference: %u", id);
2387 /* ------------------------------------------------------------------
2388 Dissector Parameter Loop prevention
2391 dissect_isup_loop_prevention_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2395 indicator = tvb_get_guint8(parameter_tvb, 0);
2396 if ((indicator & A_8BIT_MASK)==0) {
2397 proto_tree_add_text(parameter_item, parameter_tvb, 0, LOOP_PREVENTION_IND_LENGTH, "Type: Request");
2398 proto_item_set_text(parameter_item, "Loop prevention indicators: Request (%u)", indicator);
2401 proto_tree_add_text(parameter_item, parameter_tvb, 0, LOOP_PREVENTION_IND_LENGTH, "Type: Response");
2402 proto_tree_add_uint(parameter_item, hf_isup_loop_prevention_response_ind, parameter_tvb, 0, LOOP_PREVENTION_IND_LENGTH, indicator);
2403 proto_item_set_text(parameter_item, "Loop prevention indicators: Response (%u)", indicator);
2406 /* ------------------------------------------------------------------
2407 Dissector Parameter Call transfer number
2410 dissect_isup_call_transfer_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2412 proto_item *address_digits_item;
2413 proto_tree *address_digits_tree;
2414 guint8 indicators1, indicators2;
2415 guint8 address_digit_pair=0;
2419 char calling_number[MAXLENGTH]="";
2421 indicators1 = tvb_get_guint8(parameter_tvb, 0);
2422 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
2423 proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
2424 indicators2 = tvb_get_guint8(parameter_tvb, 1);
2425 proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
2426 if ((indicators2 & GFE_8BIT_MASK) == 0x50)
2427 proto_tree_add_text(parameter_item, parameter_tvb, 1, 1, "Different meaning for Call Transfer Number: Numbering plan indicator = private numbering plan");
2428 proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 1, 1, indicators2);
2429 proto_tree_add_uint(parameter_tree, hf_isup_screening_indicator_enhanced, parameter_tvb, 1, 1, indicators2);
2432 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
2434 "Call transfer number");
2435 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
2437 length = tvb_length_remaining(parameter_tvb, offset);
2439 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
2440 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
2441 calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
2442 if ((length - 1) > 0 ){
2443 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
2444 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
2447 length = tvb_length_remaining(parameter_tvb, offset);
2450 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
2451 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
2452 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
2454 calling_number[i++] = '\0';
2456 proto_item_set_text(address_digits_item, "Call transfer number: %s", calling_number);
2457 proto_item_set_text(parameter_item, "Call transfer number: %s", calling_number);
2460 /* ------------------------------------------------------------------
2461 Dissector Parameter CCSS
2464 dissect_isup_ccss_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2468 indicator = tvb_get_guint8(parameter_tvb, 0);
2469 if ((indicator & A_8BIT_MASK)==0) {
2470 proto_tree_add_text(parameter_item, parameter_tvb, 0, LOOP_PREVENTION_IND_LENGTH, "CCSS call indicator: no indication");
2471 proto_item_set_text(parameter_item, "CCSS call indicator: no indication (%u)", indicator);
2474 proto_tree_add_text(parameter_item, parameter_tvb, 0, LOOP_PREVENTION_IND_LENGTH, "CCSS call indicator: CCSS call");
2475 proto_item_set_text(parameter_item, "CCSS call indicator: CCSS call (%u)", indicator);
2478 /* ------------------------------------------------------------------
2479 Parameter Forward GVNS
2482 dissect_isup_forward_gvns_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2483 { guint length = tvb_length(parameter_tvb);
2484 proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Forward GVNS (refer to 3.66/Q.763 for detailed decoding)");
2485 proto_item_set_text(parameter_item, "Forward GVNS (%u Byte%s)", length , plurality(length, "", "s"));
2487 /* ------------------------------------------------------------------
2488 Parameter Redirect capability
2491 dissect_isup_redirect_capability_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2492 { guint length = tvb_length(parameter_tvb);
2493 proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Redirect capability (format is a national matter)");
2494 proto_item_set_text(parameter_item, "Redirect Capability (%u Byte%s)", length , plurality(length, "", "s"));
2496 /* ------------------------------------------------------------------
2497 Dissector Parameter Backward GVNS
2500 dissect_isup_backward_gvns_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2503 indicator = tvb_get_guint8(parameter_tvb, 0);
2504 proto_tree_add_text(parameter_item, parameter_tvb, 0, BACKWARD_GVNS_LENGTH, "Backward GVNS: 0x%x (refer to 3.62/Q.763 for detailed decoding)", indicator);
2505 proto_item_set_text(parameter_item, "Backward GVNS: 0x%x", indicator);
2507 /* ------------------------------------------------------------------
2508 Dissector Parameter Network management controls
2511 dissect_isup_network_management_controls_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2514 indicator = tvb_get_guint8(parameter_tvb, 0);
2515 proto_tree_add_boolean(parameter_item, hf_isup_temporary_alternative_routing_ind, parameter_tvb, 0,NETWORK_MANAGEMENT_CONTROLS_LENGTH, indicator);
2516 proto_tree_add_boolean(parameter_item, hf_isup_extension_ind, parameter_tvb, 0,NETWORK_MANAGEMENT_CONTROLS_LENGTH, indicator);
2517 proto_item_set_text(parameter_item, "Network management controls: 0x%x", indicator);
2519 /* ------------------------------------------------------------------
2520 Dissector Parameter Correlation id - no detailed dissection since defined in Rec. Q.1281
2523 dissect_isup_correlation_id_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2524 { guint length = tvb_length(parameter_tvb);
2525 proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Correlation ID (-> Q.1281)");
2526 proto_item_set_text(parameter_item, "Correlation ID, see Q.1281 (%u Byte%s)", length , plurality(length, "", "s"));
2528 /* ------------------------------------------------------------------
2529 Dissector Parameter SCF id - no detailed dissection since defined in Rec. Q.1281
2532 dissect_isup_scf_id_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2533 { guint length = tvb_length(parameter_tvb);
2534 proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "SCF ID (-> Q.1281)");
2535 proto_item_set_text(parameter_item, "SCF ID, see Q.1281 (%u Byte%s)", length , plurality(length, "", "s"));
2537 /* ------------------------------------------------------------------
2538 Dissector Parameter Call diversion treatment indicators
2541 dissect_isup_call_diversion_treatment_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2544 indicator = tvb_get_guint8(parameter_tvb, 0);
2545 proto_tree_add_uint(parameter_item, hf_isup_call_to_be_diverted_ind, parameter_tvb, 0,CALL_DIV_TREATMENT_IND_LENGTH, indicator);
2546 proto_tree_add_boolean(parameter_item, hf_isup_extension_ind, parameter_tvb, 0, CALL_DIV_TREATMENT_IND_LENGTH, indicator);
2547 proto_item_set_text(parameter_item, "Call diversion treatment indicators: 0x%x", indicator);
2549 /* ------------------------------------------------------------------
2550 Dissector Parameter called IN number
2553 dissect_isup_called_in_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2555 proto_item *address_digits_item;
2556 proto_tree *address_digits_tree;
2557 guint8 indicators1, indicators2;
2558 guint8 address_digit_pair=0;
2562 char calling_number[MAXLENGTH]="";
2564 indicators1 = tvb_get_guint8(parameter_tvb, 0);
2565 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
2566 proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
2567 indicators2 = tvb_get_guint8(parameter_tvb, 1);
2568 proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
2569 proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 1, 1, indicators2);
2572 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
2574 "Called IN Number");
2575 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
2577 length = tvb_length_remaining(parameter_tvb, offset);
2579 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
2580 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
2581 calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
2582 if ((length - 1) > 0 ){
2583 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
2584 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
2587 length = tvb_length_remaining(parameter_tvb, offset);
2590 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
2591 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
2592 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
2594 calling_number[i++] = '\0';
2596 proto_item_set_text(address_digits_item, "Called IN Number: %s", calling_number);
2597 proto_item_set_text(parameter_item, "Called IN Number: %s", calling_number);
2600 /* ------------------------------------------------------------------
2601 Dissector Parameter Call offering treatment indicators
2604 dissect_isup_call_offering_treatment_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2607 indicator = tvb_get_guint8(parameter_tvb, 0);
2608 proto_tree_add_uint(parameter_item, hf_isup_call_to_be_offered_ind, parameter_tvb, 0,CALL_OFFERING_TREATMENT_IND_LENGTH, indicator);
2609 proto_tree_add_boolean(parameter_item, hf_isup_extension_ind, parameter_tvb, 0, CALL_OFFERING_TREATMENT_IND_LENGTH, indicator);
2610 proto_item_set_text(parameter_item, "Call offering treatment indicators: 0x%x", indicator);
2612 /* ------------------------------------------------------------------
2613 Parameter Charged party identification
2616 dissect_isup_charged_party_identification_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2617 { guint length = tvb_length(parameter_tvb);
2618 proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Charged party identification (format is national network specific)");
2619 proto_item_set_text(parameter_item, "Charged party identification (%u Byte%s)", length , plurality(length, "", "s"));
2621 /* ------------------------------------------------------------------
2622 Dissector Parameter Conference treatment indicators
2625 dissect_isup_conference_treatment_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2628 indicator = tvb_get_guint8(parameter_tvb, 0);
2629 proto_tree_add_uint(parameter_item, hf_isup_conference_acceptance_ind, parameter_tvb, 0,CONFERENCE_TREATMENT_IND_LENGTH, indicator);
2630 proto_tree_add_boolean(parameter_item, hf_isup_extension_ind, parameter_tvb, 0, CONFERENCE_TREATMENT_IND_LENGTH, indicator);
2631 proto_item_set_text(parameter_item, "Conference treatment indicators: 0x%x", indicator);
2633 /* ------------------------------------------------------------------
2634 Dissector Parameter Display information
2637 dissect_isup_display_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2638 { guint length = tvb_length(parameter_tvb);
2639 proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Display information (-> Q.931)");
2640 proto_item_set_text(parameter_item, "Display information (%u Byte%s)", length , plurality(length, "", "s"));
2642 /* ------------------------------------------------------------------
2643 Parameter UID action indicators
2646 dissect_isup_uid_action_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2649 indicator = tvb_get_guint8(parameter_tvb, 0);
2650 proto_tree_add_text(parameter_item, parameter_tvb, 0,UID_ACTION_IND_LENGTH, "UID action indicators: 0x%x (refer to 3.78/Q.763 for detailed decoding)", indicator);
2651 proto_item_set_text(parameter_item, "UID action indicators: 0x%x", indicator);
2653 /* ------------------------------------------------------------------
2654 Parameter UID capability indicators
2657 dissect_isup_uid_capability_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2660 indicator = tvb_get_guint8(parameter_tvb, 0);
2661 proto_tree_add_text(parameter_item, parameter_tvb, 0,UID_CAPABILITY_IND_LENGTH, "UID capability indicators: 0x%x (refer to 3.79/Q.763 for detailed decoding)", indicator);
2662 proto_item_set_text(parameter_item, "UID capability indicators: 0x%x", indicator);
2664 /* ------------------------------------------------------------------
2665 Parameter Redirect counter
2668 dissect_isup_redirect_counter_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2669 { guint length = tvb_length(parameter_tvb);
2670 proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Redirect counter (format is a national matter)");
2671 proto_item_set_text(parameter_item, "Redirect counter (%u Byte%s)", length , plurality(length, "", "s"));
2673 /* ------------------------------------------------------------------
2674 Dissector Parameter Collect call request
2677 dissect_isup_collect_call_request_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2680 indicator = tvb_get_guint8(parameter_tvb, 0);
2681 if ((indicator & A_8BIT_MASK) == 0) {
2682 proto_tree_add_text(parameter_item, parameter_tvb, 0, COLLECT_CALL_REQUEST_LENGTH, "Collect call request indicator: no indication");
2683 proto_item_set_text(parameter_item, "Collect call reqeust: no indication (0x%x)", indicator);
2686 proto_tree_add_text(parameter_item, parameter_tvb, 0, COLLECT_CALL_REQUEST_LENGTH, "Collect call request indicator: collect call requested");
2687 proto_item_set_text(parameter_item, "Collect call reqeust: collect call requested (0x%x)", indicator);
2690 /* ------------------------------------------------------------------
2691 Dissector Parameter Generic number
2694 dissect_isup_generic_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2696 proto_item *address_digits_item;
2697 proto_tree *address_digits_tree;
2698 guint8 indicators1, indicators2, nr_qualifier_ind;
2699 guint8 address_digit_pair=0;
2703 char calling_number[MAXLENGTH]="";
2705 nr_qualifier_ind = tvb_get_guint8(parameter_tvb, 0);
2706 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);
2707 indicators1 = tvb_get_guint8(parameter_tvb, 1);
2708 proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 1, 1, indicators1);
2709 proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
2710 indicators2 = tvb_get_guint8(parameter_tvb, 2);
2711 proto_tree_add_boolean(parameter_tree, hf_isup_ni_indicator, parameter_tvb, 2, 1, indicators2);
2712 proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 2, 1, indicators2);
2713 if ((indicators2 & GFE_8BIT_MASK) == 0x50)
2714 proto_tree_add_text(parameter_item, parameter_tvb, 2, 1, "Different meaning for Generic Number: Numbering plan indicator = private numbering plan");
2715 proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 2, 1, indicators2);
2716 proto_tree_add_uint(parameter_tree, hf_isup_screening_indicator_enhanced, parameter_tvb, 2, 1, indicators2);
2719 address_digits_item = proto_tree_add_text(parameter_tree, parameter_tvb,
2722 address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
2724 length = tvb_length_remaining(parameter_tvb, offset);
2726 address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
2727 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
2728 calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
2729 if ((length - 1) > 0 ){
2730 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
2731 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
2734 length = tvb_length_remaining(parameter_tvb, offset);
2737 if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
2738 proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
2739 calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
2741 calling_number[i++] = '\0';
2743 proto_item_set_text(address_digits_item, "Generic number: %s", calling_number);
2744 proto_item_set_text(parameter_item, "Generic number: %s", calling_number);
2747 /* ------------------------------------------------------------------
2748 Dissector Parameter Generic digits
2751 dissect_isup_generic_digits_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2752 { guint length = tvb_length(parameter_tvb);
2753 proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Generic digits (refer to 3.24/Q.673 for detailed decoding)");
2754 proto_item_set_text(parameter_item, "Generic digits (%u Byte%s)", length , plurality(length, "", "s"));
2756 /* ------------------------------------------------------------------ */
2758 dissect_isup_unknown_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
2759 { guint length = tvb_length(parameter_tvb);
2760 proto_item_set_text(parameter_item, "Parameter Type unknown/reserved (%u Byte%s)", length , plurality(length, "", "s"));
2762 /* ------------------------------------------------------------------ */
2764 /* ------------------------------------------------------------------
2765 Dissector all optional parameters
2768 dissect_isup_optional_parameter(tvbuff_t *optional_parameters_tvb, proto_tree *isup_tree)
2769 { proto_item* parameter_item;
2770 proto_tree* parameter_tree;
2772 guint parameter_type, parameter_length, actual_length;
2773 tvbuff_t *parameter_tvb;
2775 /* Dissect all optional parameters while end of message isn't reached */
2776 parameter_type = 0xFF; /* Start-initializiation since parameter_type is used for while-condition */
2778 while ((tvb_length_remaining(optional_parameters_tvb, offset) >= 1) && (parameter_type != PARAM_TYPE_END_OF_OPT_PARAMS)){
2779 parameter_type = tvb_get_guint8(optional_parameters_tvb, offset);
2781 if (parameter_type != PARAM_TYPE_END_OF_OPT_PARAMS){
2782 parameter_length = tvb_get_guint8(optional_parameters_tvb, offset + PARAMETER_TYPE_LENGTH);
2784 parameter_item = proto_tree_add_text(isup_tree, optional_parameters_tvb,
2786 parameter_length + PARAMETER_TYPE_LENGTH + PARAMETER_LENGTH_IND_LENGTH,
2787 "Parameter: type %u",
2789 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
2790 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"));
2791 offset += PARAMETER_TYPE_LENGTH;
2793 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);
2794 offset += PARAMETER_LENGTH_IND_LENGTH;
2796 actual_length = tvb_length_remaining(optional_parameters_tvb, offset);
2797 if (actual_length > 0){
2798 parameter_tvb = tvb_new_subset(optional_parameters_tvb, offset, MIN(parameter_length, actual_length), parameter_length);
2799 switch (parameter_type) {
2800 case PARAM_TYPE_CALL_REF:
2801 dissect_isup_call_reference_parameter(parameter_tvb, parameter_tree, parameter_item);
2803 case PARAM_TYPE_TRANSM_MEDIUM_REQU:
2804 dissect_isup_transmission_medium_requirement_parameter(parameter_tvb, parameter_tree, parameter_item);
2806 case PARAM_TYPE_ACC_TRANSP:
2807 dissect_isup_access_transport_parameter(parameter_tvb, parameter_tree, parameter_item);
2809 case PARAM_TYPE_CALLED_PARTY_NR:
2810 dissect_isup_called_party_number_parameter(parameter_tvb, parameter_tree, parameter_item);
2812 case PARAM_TYPE_SUBSQT_NR:
2813 dissect_isup_subsequent_number_parameter(parameter_tvb, parameter_tree, parameter_item);
2815 case PARAM_TYPE_NATURE_OF_CONN_IND:
2816 dissect_isup_nature_of_connection_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
2818 case PARAM_TYPE_FORW_CALL_IND:
2819 dissect_isup_forward_call_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
2821 case PARAM_TYPE_OPT_FORW_CALL_IND:
2822 dissect_isup_optional_forward_call_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
2824 case PARAM_TYPE_CALLING_PRTY_CATEG:
2825 dissect_isup_calling_partys_category_parameter(parameter_tvb, parameter_tree, parameter_item);
2827 case PARAM_TYPE_CALLING_PARTY_NR:
2828 dissect_isup_calling_party_number_parameter(parameter_tvb, parameter_tree, parameter_item);
2830 case PARAM_TYPE_REDIRECTING_NR:
2831 dissect_isup_redirecting_number_parameter(parameter_tvb, parameter_tree, parameter_item);
2833 case PARAM_TYPE_REDIRECTION_NR:
2834 dissect_isup_redirection_number_parameter(parameter_tvb, parameter_tree, parameter_item);
2836 case PARAM_TYPE_CONNECTION_REQ:
2837 dissect_isup_connection_request_parameter(parameter_tvb, parameter_tree, parameter_item);
2839 case PARAM_TYPE_INFO_REQ_IND:
2840 dissect_isup_information_request_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
2842 case PARAM_TYPE_INFO_IND:
2843 dissect_isup_information_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
2845 case PARAM_TYPE_CONTINUITY_IND:
2846 dissect_isup_continuity_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
2848 case PARAM_TYPE_BACKW_CALL_IND:
2849 dissect_isup_backward_call_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
2851 case PARAM_TYPE_CAUSE_INDICATORS:
2852 dissect_isup_cause_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
2854 case PARAM_TYPE_REDIRECTION_INFO:
2855 dissect_isup_redirection_information_parameter(parameter_tvb, parameter_tree, parameter_item);
2857 case PARAM_TYPE_CIRC_GRP_SV_MSG_TYPE:
2858 dissect_isup_circuit_group_supervision_message_type_parameter(parameter_tvb, parameter_tree, parameter_item);
2860 case PARAM_TYPE_RANGE_AND_STATUS:
2861 dissect_isup_range_and_status_parameter(parameter_tvb, parameter_tree, parameter_item);
2863 case PARAM_TYPE_FACILITY_IND:
2864 dissect_isup_facility_ind_parameter(parameter_tvb, parameter_tree, parameter_item);
2866 case PARAM_TYPE_CLSD_USR_GRP_ILOCK_CD:
2867 dissect_isup_closed_user_group_interlock_code_parameter(parameter_tvb, parameter_tree, parameter_item);
2869 case PARAM_TYPE_USER_SERVICE_INFO:
2870 dissect_isup_user_service_information_parameter(parameter_tvb, parameter_tree, parameter_item);
2872 case PARAM_TYPE_SIGNALLING_POINT_CODE:
2873 dissect_isup_signalling_point_code_parameter(parameter_tvb, parameter_tree, parameter_item);
2875 case PARAM_TYPE_USER_TO_USER_INFO:
2876 dissect_isup_user_to_user_information_parameter(parameter_tvb, parameter_tree, parameter_item);
2878 case PARAM_TYPE_CONNECTED_NR:
2879 dissect_isup_connected_number_parameter(parameter_tvb, parameter_tree, parameter_item);
2881 case PARAM_TYPE_SUSP_RESUME_IND:
2882 dissect_isup_suspend_resume_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
2884 case PARAM_TYPE_TRANSIT_NETW_SELECT:
2885 dissect_isup_transit_network_selection_parameter(parameter_tvb, parameter_tree, parameter_item);
2887 case PARAM_TYPE_EVENT_INFO:
2888 dissect_isup_event_information_parameter(parameter_tvb, parameter_tree, parameter_item);
2890 case PARAM_TYPE_CIRC_ASSIGN_MAP:
2891 dissect_isup_circuit_assignment_map_parameter(parameter_tvb, parameter_tree, parameter_item);
2893 case PARAM_TYPE_CIRC_STATE_IND:
2894 dissect_isup_circuit_state_ind_parameter(parameter_tvb, parameter_tree, parameter_item);
2896 case PARAM_TYPE_AUTO_CONG_LEVEL:
2897 dissect_isup_automatic_congestion_level_parameter(parameter_tvb, parameter_tree, parameter_item);
2899 case PARAM_TYPE_ORIG_CALLED_NR:
2900 dissect_isup_original_called_number_parameter(parameter_tvb, parameter_tree, parameter_item);
2902 case PARAM_TYPE_OPT_BACKW_CALL_IND:
2903 dissect_isup_optional_backward_call_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
2905 case PARAM_TYPE_USER_TO_USER_IND:
2906 dissect_isup_user_to_user_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
2908 case PARAM_TYPE_ORIG_ISC_POINT_CODE:
2909 dissect_isup_original_isc_point_code_parameter(parameter_tvb, parameter_tree, parameter_item);
2911 case PARAM_TYPE_GENERIC_NOTIF_IND:
2912 dissect_isup_generic_notification_indicator_parameter(parameter_tvb, parameter_tree, parameter_item);
2914 case PARAM_TYPE_CALL_HIST_INFO :
2915 dissect_isup_call_history_information_parameter(parameter_tvb, parameter_tree, parameter_item);
2917 case PARAM_TYPE_ACC_DELIV_INFO:
2918 dissect_isup_access_delivery_information_parameter(parameter_tvb, parameter_tree, parameter_item);
2920 case PARAM_TYPE_NETW_SPECIFIC_FACLTY:
2921 dissect_isup_network_specific_facility_parameter(parameter_tvb, parameter_tree, parameter_item);
2923 case PARAM_TYPE_USER_SERVICE_INFO_PR:
2924 dissect_isup_user_service_information_prime_parameter(parameter_tvb, parameter_tree, parameter_item);
2926 case PARAM_TYPE_PROPAG_DELAY_COUNTER:
2927 dissect_isup_propagation_delay_counter_parameter(parameter_tvb, parameter_tree, parameter_item);
2929 case PARAM_TYPE_REMOTE_OPERATIONS:
2930 dissect_isup_remote_operations_parameter(parameter_tvb, parameter_tree, parameter_item);
2932 case PARAM_TYPE_SERVICE_ACTIVATION:
2933 dissect_isup_service_activation_parameter(parameter_tvb, parameter_tree, parameter_item);
2935 case PARAM_TYPE_USER_TELESERV_INFO:
2936 dissect_isup_user_teleservice_information_parameter(parameter_tvb, parameter_tree, parameter_item);
2938 case PARAM_TYPE_TRANSM_MEDIUM_USED:
2939 dissect_isup_transmission_medium_used_parameter(parameter_tvb, parameter_tree, parameter_item);
2941 case PARAM_TYPE_CALL_DIV_INFO:
2942 dissect_isup_call_diversion_information_parameter(parameter_tvb, parameter_tree, parameter_item);
2944 case PARAM_TYPE_ECHO_CTRL_INFO:
2945 dissect_isup_echo_control_information_parameter(parameter_tvb, parameter_tree, parameter_item);
2947 case PARAM_TYPE_MSG_COMPAT_INFO:
2948 dissect_isup_message_compatibility_information_parameter(parameter_tvb, parameter_tree, parameter_item);
2950 case PARAM_TYPE_PARAM_COMPAT_INFO:
2951 dissect_isup_parameter_compatibility_information_parameter(parameter_tvb, parameter_tree, parameter_item);
2953 case PARAM_TYPE_MLPP_PRECEDENCE:
2954 dissect_isup_mlpp_precedence_parameter(parameter_tvb, parameter_tree, parameter_item);
2956 case PARAM_TYPE_MCID_REQ_IND:
2957 dissect_isup_mcid_request_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
2959 case PARAM_TYPE_MCID_RSP_IND:
2960 dissect_isup_mcid_response_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
2962 case PARAM_TYPE_HOP_COUNTER:
2963 dissect_isup_hop_counter_parameter(parameter_tvb, parameter_tree, parameter_item);
2965 case PARAM_TYPE_TRANSM_MEDIUM_RQUR_PR:
2966 dissect_isup_transmission_medium_requirement_prime_parameter(parameter_tvb, parameter_tree, parameter_item);
2968 case PARAM_TYPE_LOCATION_NR:
2969 dissect_isup_location_number_parameter(parameter_tvb, parameter_tree, parameter_item);
2971 case PARAM_TYPE_REDIR_NR_RSTRCT:
2972 dissect_isup_redirection_number_restriction_parameter(parameter_tvb, parameter_tree, parameter_item);
2974 case PARAM_TYPE_CALL_TRANS_REF:
2975 dissect_isup_call_transfer_reference_parameter(parameter_tvb, parameter_tree, parameter_item);
2977 case PARAM_TYPE_LOOP_PREV_IND:
2978 dissect_isup_loop_prevention_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
2980 case PARAM_TYPE_CALL_TRANS_NR:
2981 dissect_isup_call_transfer_number_parameter(parameter_tvb, parameter_tree, parameter_item);
2983 case PARAM_TYPE_CCSS:
2984 dissect_isup_ccss_parameter(parameter_tvb, parameter_tree, parameter_item);
2986 case PARAM_TYPE_FORW_GVNS:
2987 dissect_isup_forward_gvns_parameter(parameter_tvb, parameter_tree, parameter_item);
2989 case PARAM_TYPE_BACKW_GVNS:
2990 dissect_isup_backward_gvns_parameter(parameter_tvb, parameter_tree, parameter_item);
2992 case PARAM_TYPE_REDIRECT_CAPAB:
2993 dissect_isup_redirect_capability_parameter(parameter_tvb, parameter_tree, parameter_item);
2995 case PARAM_TYPE_NETW_MGMT_CTRL:
2996 dissect_isup_network_management_controls_parameter(parameter_tvb, parameter_tree, parameter_item);
2998 case PARAM_TYPE_CORRELATION_ID:
2999 dissect_isup_correlation_id_parameter(parameter_tvb, parameter_tree, parameter_item);
3001 case PARAM_TYPE_SCF_ID:
3002 dissect_isup_scf_id_parameter(parameter_tvb, parameter_tree, parameter_item);
3004 case PARAM_TYPE_CALL_DIV_TREAT_IND:
3005 dissect_isup_call_diversion_treatment_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3007 case PARAM_TYPE_CALLED_IN_NR:
3008 dissect_isup_called_in_number_parameter(parameter_tvb, parameter_tree, parameter_item);
3010 case PARAM_TYPE_CALL_OFF_TREAT_IND:
3011 dissect_isup_call_offering_treatment_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3013 case PARAM_TYPE_CHARGED_PARTY_IDENT:
3014 dissect_isup_charged_party_identification_parameter(parameter_tvb, parameter_tree, parameter_item);
3016 case PARAM_TYPE_CONF_TREAT_IND:
3017 dissect_isup_conference_treatment_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3019 case PARAM_TYPE_DISPLAY_INFO:
3020 dissect_isup_display_information_parameter(parameter_tvb, parameter_tree, parameter_item);
3022 case PARAM_TYPE_UID_ACTION_IND:
3023 dissect_isup_uid_action_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3025 case PARAM_TYPE_UID_CAPAB_IND:
3026 dissect_isup_uid_capability_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3028 case PARAM_TYPE_REDIRECT_COUNTER:
3029 dissect_isup_redirect_counter_parameter(parameter_tvb, parameter_tree, parameter_item);
3031 case PARAM_TYPE_COLLECT_CALL_REQ:
3032 dissect_isup_collect_call_request_parameter(parameter_tvb, parameter_tree, parameter_item);
3034 case PARAM_TYPE_GENERIC_NR:
3035 dissect_isup_generic_number_parameter(parameter_tvb, parameter_tree, parameter_item);
3037 case PARAM_TYPE_GENERIC_DIGITS:
3038 dissect_isup_generic_digits_parameter(parameter_tvb, parameter_tree, parameter_item);
3041 dissect_isup_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
3044 offset += MIN(parameter_length, actual_length);
3049 /* End of optional parameters is reached */
3050 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);
3055 /* ------------------------------------------------------------------ */
3056 /* Dissectors for all used message types */
3057 /* Called by dissect_isup_message(), */
3058 /* call parameter dissectors in order of mandatory parameters */
3059 /* (since not labeled) */
3060 /* ------------------------------------------------------------------
3061 Dissector Message Type Initial address message
3064 dissect_isup_initial_address_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3065 { proto_item* parameter_item;
3066 proto_tree* parameter_tree;
3067 tvbuff_t *parameter_tvb;
3069 gint parameter_type, parameter_pointer, parameter_length, actual_length;
3071 /* Do stuff for first mandatory fixed parameter: Nature of Connection Indicators */
3072 parameter_type = PARAM_TYPE_NATURE_OF_CONN_IND;
3073 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3074 NATURE_OF_CONNECTION_IND_LENGTH,
3075 "Nature of Connection Indicators");
3076 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3077 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"));
3078 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3079 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(NATURE_OF_CONNECTION_IND_LENGTH, actual_length), NATURE_OF_CONNECTION_IND_LENGTH);
3080 dissect_isup_nature_of_connection_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3081 offset += NATURE_OF_CONNECTION_IND_LENGTH;
3083 /* Do stuff for 2nd mandatory fixed parameter: Forward Call Indicators */
3084 parameter_type = PARAM_TYPE_FORW_CALL_IND;
3085 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3086 FORWARD_CALL_IND_LENGTH,
3087 "Forward Call Indicators");
3088 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3089 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"));
3090 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3091 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(FORWARD_CALL_IND_LENGTH, actual_length), FORWARD_CALL_IND_LENGTH );
3092 dissect_isup_forward_call_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3093 offset += FORWARD_CALL_IND_LENGTH;
3095 /* Do stuff for 3nd mandatory fixed parameter: Calling party's category */
3096 parameter_type = PARAM_TYPE_CALLING_PRTY_CATEG;
3097 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3098 CALLING_PRTYS_CATEGORY_LENGTH,
3099 "Calling Party's category");
3100 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3101 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"));
3102 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3103 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(CALLING_PRTYS_CATEGORY_LENGTH, actual_length),CALLING_PRTYS_CATEGORY_LENGTH );
3104 dissect_isup_calling_partys_category_parameter(parameter_tvb, parameter_tree, parameter_item);
3105 offset += CALLING_PRTYS_CATEGORY_LENGTH;
3107 /* Do stuff for 4th mandatory fixed parameter: Transmission medium requirement */
3108 parameter_type = PARAM_TYPE_TRANSM_MEDIUM_REQU;
3109 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3110 TRANSMISSION_MEDIUM_REQUIREMENT_LENGTH,
3111 "Transmission medium requirement");
3112 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3113 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"));
3114 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3115 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(TRANSMISSION_MEDIUM_REQUIREMENT_LENGTH, actual_length), TRANSMISSION_MEDIUM_REQUIREMENT_LENGTH);
3116 dissect_isup_transmission_medium_requirement_parameter(parameter_tvb, parameter_tree, parameter_item);
3117 offset += TRANSMISSION_MEDIUM_REQUIREMENT_LENGTH;
3120 /* Do stuff for mandatory variable parameter Called party number */
3121 parameter_type = PARAM_TYPE_CALLED_PARTY_NR;
3122 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3123 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3125 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3126 offset + parameter_pointer,
3127 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3128 "Called Party Number");
3129 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3130 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"));
3131 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);
3132 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);
3133 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3134 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3135 dissect_isup_called_party_number_parameter(parameter_tvb, parameter_tree, parameter_item);
3136 offset += PARAMETER_POINTER_LENGTH;
3140 /* ------------------------------------------------------------------
3141 Dissector Message Type subsequent address message
3143 gint dissect_isup_subsequent_address_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3144 { proto_item* parameter_item;
3145 proto_tree* parameter_tree;
3146 tvbuff_t *parameter_tvb;
3148 gint parameter_type, parameter_pointer, parameter_length, actual_length;
3150 /* Do stuff for mandatory variable parameter Subsequent number */
3151 parameter_type = PARAM_TYPE_SUBSQT_NR;
3153 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3154 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3156 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3157 offset + parameter_pointer,
3158 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3159 "Subsequent Number");
3160 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3161 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"));
3162 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);
3163 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);
3164 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3165 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3166 dissect_isup_subsequent_number_parameter(parameter_tvb, parameter_tree, parameter_item);
3167 offset += PARAMETER_POINTER_LENGTH;
3172 /* ------------------------------------------------------------------
3173 Dissector Message Type Information request message
3176 dissect_isup_information_request_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3177 { proto_item* parameter_item;
3178 proto_tree* parameter_tree;
3179 tvbuff_t *parameter_tvb;
3181 gint parameter_type, actual_length;
3183 /* Do stuff for first mandatory fixed parameter: Information request indicators*/
3184 parameter_type = PARAM_TYPE_INFO_REQ_IND;
3185 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3186 INFO_REQUEST_IND_LENGTH,
3187 "Information request indicators");
3188 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3189 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"));
3190 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3191 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(INFO_REQUEST_IND_LENGTH, actual_length), INFO_REQUEST_IND_LENGTH);
3192 dissect_isup_information_request_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3193 offset += INFO_REQUEST_IND_LENGTH;
3196 /* ------------------------------------------------------------------
3197 Dissector Message Type Information
3200 dissect_isup_information_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3201 { proto_item* parameter_item;
3202 proto_tree* parameter_tree;
3203 tvbuff_t *parameter_tvb;
3205 gint parameter_type, actual_length;
3207 /* Do stuff for first mandatory fixed parameter: Information indicators*/
3208 parameter_type = PARAM_TYPE_INFO_IND;
3209 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3211 "Information indicators");
3212 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3213 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"));
3214 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3215 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(INFO_IND_LENGTH, actual_length), INFO_IND_LENGTH);
3216 dissect_isup_information_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3217 offset += INFO_IND_LENGTH;
3220 /* ------------------------------------------------------------------
3221 Dissector Message Type Continuity
3224 dissect_isup_continuity_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3225 { proto_item* parameter_item;
3226 proto_tree* parameter_tree;
3227 tvbuff_t *parameter_tvb;
3229 gint parameter_type, actual_length;
3231 /* Do stuff for first mandatory fixed parameter: Continuity indicators*/
3232 parameter_type = PARAM_TYPE_CONTINUITY_IND;
3233 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3234 CONTINUITY_IND_LENGTH,
3235 "Continuity indicators");
3236 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3237 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"));
3238 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3239 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(CONTINUITY_IND_LENGTH, actual_length), CONTINUITY_IND_LENGTH);
3240 dissect_isup_continuity_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3241 offset += CONTINUITY_IND_LENGTH;
3244 /* ------------------------------------------------------------------
3245 Dissector Message Type Address complete
3248 dissect_isup_address_complete_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3249 { proto_item* parameter_item;
3250 proto_tree* parameter_tree;
3251 tvbuff_t *parameter_tvb;
3253 gint parameter_type, actual_length;
3255 /* Do stuff for first mandatory fixed parameter: backward call indicators*/
3256 parameter_type = PARAM_TYPE_BACKW_CALL_IND;
3257 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3258 BACKWARD_CALL_IND_LENGTH,
3259 "Backward Call Indicators");
3260 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3261 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"));
3262 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3263 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(BACKWARD_CALL_IND_LENGTH, actual_length), BACKWARD_CALL_IND_LENGTH);
3264 dissect_isup_backward_call_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3265 offset += BACKWARD_CALL_IND_LENGTH;
3268 /* ------------------------------------------------------------------
3269 Dissector Message Type Connect
3272 dissect_isup_connect_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3273 { proto_item* parameter_item;
3274 proto_tree* parameter_tree;
3275 tvbuff_t *parameter_tvb;
3277 gint parameter_type, actual_length;
3279 /* Do stuff for first mandatory fixed parameter: backward call indicators*/
3280 parameter_type = PARAM_TYPE_BACKW_CALL_IND;
3281 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3282 BACKWARD_CALL_IND_LENGTH,
3283 "Backward Call Indicators");
3284 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3285 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"));
3286 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3287 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(BACKWARD_CALL_IND_LENGTH, actual_length), BACKWARD_CALL_IND_LENGTH);
3288 dissect_isup_backward_call_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3289 offset += BACKWARD_CALL_IND_LENGTH;
3292 /* ------------------------------------------------------------------
3293 Dissector Message Type release message
3296 dissect_isup_release_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3297 { proto_item* parameter_item;
3298 proto_tree* parameter_tree;
3299 tvbuff_t *parameter_tvb;
3301 gint parameter_type, parameter_pointer, parameter_length, actual_length;
3303 /* Do stuff for mandatory variable parameter Cause indicators */
3304 parameter_type = PARAM_TYPE_CAUSE_INDICATORS;
3306 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3307 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3309 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3310 offset + parameter_pointer,
3311 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3312 "Cause indicators, see Q.850");
3313 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3314 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"));
3315 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);
3316 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);
3317 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3318 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3319 dissect_isup_cause_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3320 offset += PARAMETER_POINTER_LENGTH;
3324 /* ------------------------------------------------------------------
3325 Dissector Message Type Resume/Suspend
3328 dissect_isup_suspend_resume_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3329 { proto_item* parameter_item;
3330 proto_tree* parameter_tree;
3331 tvbuff_t *parameter_tvb;
3333 gint parameter_type, actual_length;
3335 /* Do stuff for first mandatory fixed parameter: backward call indicators*/
3336 parameter_type = PARAM_TYPE_SUSP_RESUME_IND;
3337 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3338 SUSPEND_RESUME_IND_LENGTH,
3339 "Suspend/Resume indicator");
3340 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3341 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"));
3342 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3343 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(SUSPEND_RESUME_IND_LENGTH, actual_length), SUSPEND_RESUME_IND_LENGTH);
3344 dissect_isup_suspend_resume_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3345 offset += SUSPEND_RESUME_IND_LENGTH;
3348 /* ------------------------------------------------------------------
3349 Dissector Message Type Circuit group reset/query message
3352 dissect_isup_circuit_group_reset_query_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3353 { proto_item* parameter_item;
3354 proto_tree* parameter_tree;
3355 tvbuff_t *parameter_tvb;
3357 gint parameter_type, parameter_pointer, parameter_length, actual_length;
3359 /* Do stuff for mandatory variable parameter range and status*/
3360 parameter_type = PARAM_TYPE_RANGE_AND_STATUS;
3362 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3363 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3365 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3366 offset + parameter_pointer,
3367 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3368 "Range and status");
3369 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3370 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"));
3371 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);
3372 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);
3373 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3374 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3375 dissect_isup_range_and_status_parameter(parameter_tvb, parameter_tree, parameter_item);
3376 offset += PARAMETER_POINTER_LENGTH;
3380 /* ------------------------------------------------------------------
3381 Dissector Message Type Circuit group blocking/blocking ack/unblocking/unblocking ack messages
3384 dissect_isup_circuit_group_blocking_messages(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 first mandatory fixed parameter: circuit group supervision message type*/
3392 parameter_type = PARAM_TYPE_CIRC_GRP_SV_MSG_TYPE;
3393 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3394 CIRC_GRP_SV_MSG_TYPE_LENGTH,
3395 "Circuit group supervision message type");
3396 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3397 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"));
3398 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3399 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(CIRC_GRP_SV_MSG_TYPE_LENGTH, actual_length), CIRC_GRP_SV_MSG_TYPE_LENGTH);
3400 dissect_isup_circuit_group_supervision_message_type_parameter(parameter_tvb, parameter_tree, parameter_item);
3401 offset += CIRC_GRP_SV_MSG_TYPE_LENGTH;
3403 /* Do stuff for mandatory variable parameter range and status*/
3404 parameter_type = PARAM_TYPE_RANGE_AND_STATUS;
3406 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3407 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3409 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3410 offset + parameter_pointer,
3411 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3412 "Facility indicator");
3413 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3414 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"));
3415 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);
3416 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);
3417 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3418 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3419 dissect_isup_facility_ind_parameter(parameter_tvb, parameter_tree, parameter_item);
3420 offset += PARAMETER_POINTER_LENGTH;
3425 /* ------------------------------------------------------------------
3426 Dissector Message Type Facility request/accepted
3429 dissect_isup_facility_request_accepted_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3430 { proto_item* parameter_item;
3431 proto_tree* parameter_tree;
3432 tvbuff_t *parameter_tvb;
3434 gint parameter_type, actual_length;
3436 /* Do stuff for first mandatory fixed parameter: facility indicators*/
3437 parameter_type = PARAM_TYPE_FACILITY_IND;
3438 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3439 FACILITY_IND_LENGTH,
3440 "Facility indicator");
3441 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3442 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"));
3443 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3444 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(FACILITY_IND_LENGTH, actual_length), FACILITY_IND_LENGTH);
3445 dissect_isup_facility_ind_parameter(parameter_tvb, parameter_tree, parameter_item);
3446 offset += FACILITY_IND_LENGTH;
3449 /* ------------------------------------------------------------------
3450 Dissector Message Type Facility reject
3453 dissect_isup_facility_reject_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3454 { proto_item* parameter_item;
3455 proto_tree* parameter_tree;
3456 tvbuff_t *parameter_tvb;
3458 gint parameter_type, parameter_pointer, parameter_length, actual_length;
3460 /* Do stuff for first mandatory fixed parameter: facility indicators*/
3461 parameter_type = PARAM_TYPE_FACILITY_IND;
3462 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3463 FACILITY_IND_LENGTH,
3464 "Facility indicator");
3465 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3466 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"));
3467 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3468 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(FACILITY_IND_LENGTH, actual_length), FACILITY_IND_LENGTH);
3469 dissect_isup_facility_ind_parameter(parameter_tvb, parameter_tree, parameter_item);
3470 offset += FACILITY_IND_LENGTH;
3472 /* Do stuff for mandatory variable parameter Cause indicators */
3473 parameter_type = PARAM_TYPE_CAUSE_INDICATORS;
3475 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3476 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3478 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3479 offset + parameter_pointer,
3480 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3481 "Cause indicators, see Q.850");
3482 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3483 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"));
3484 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);
3485 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);
3486 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3487 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3488 dissect_isup_cause_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3489 offset += PARAMETER_POINTER_LENGTH;
3493 /* ------------------------------------------------------------------
3494 Dissector Message Type Circuit group reset acknowledgement message
3497 dissect_isup_circuit_group_reset_acknowledgement_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3498 { proto_item* parameter_item;
3499 proto_tree* parameter_tree;
3500 tvbuff_t *parameter_tvb;
3502 gint parameter_type, parameter_pointer, parameter_length, actual_length;
3504 /* Do stuff for mandatory variable parameter range and status*/
3505 parameter_type = PARAM_TYPE_RANGE_AND_STATUS;
3507 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3508 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3510 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3511 offset + parameter_pointer,
3512 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3513 "Range and status");
3514 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3515 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"));
3516 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);
3517 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);
3518 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3519 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3520 dissect_isup_range_and_status_parameter(parameter_tvb, parameter_tree, parameter_item);
3521 offset += PARAMETER_POINTER_LENGTH;
3525 /* ------------------------------------------------------------------
3526 Dissector Message Type Circuit group query response message
3529 dissect_isup_circuit_group_query_response_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3530 { proto_item* parameter_item;
3531 proto_tree* parameter_tree;
3532 tvbuff_t *parameter_tvb;
3534 gint parameter_type, parameter_pointer, parameter_length, actual_length;
3536 /* Do stuff for 1. mandatory variable parameter range and status*/
3537 parameter_type = PARAM_TYPE_RANGE_AND_STATUS;
3539 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3540 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3542 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3543 offset + parameter_pointer,
3544 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3545 "Range and status");
3546 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3547 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"));
3548 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);
3549 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);
3550 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3551 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3552 dissect_isup_range_and_status_parameter(parameter_tvb, parameter_tree, parameter_item);
3553 offset += PARAMETER_POINTER_LENGTH;
3555 /* Do stuff for 2. mandatory variable parameter Circuit state indicator*/
3556 parameter_type = PARAM_TYPE_CIRC_STATE_IND;
3558 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3559 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3561 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3562 offset + parameter_pointer,
3563 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3564 "Circuit state indicator (national use)");
3565 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3566 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"));
3567 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);
3568 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);
3569 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3570 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3571 dissect_isup_circuit_state_ind_parameter(parameter_tvb, parameter_tree, parameter_item);
3572 offset += PARAMETER_POINTER_LENGTH;
3576 /* ------------------------------------------------------------------
3577 Dissector Message Type Call Progress
3580 dissect_isup_call_progress_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3581 { proto_item* parameter_item;
3582 proto_tree* parameter_tree;
3583 tvbuff_t *parameter_tvb;
3585 gint parameter_type, actual_length;
3587 /* Do stuff for first mandatory fixed parameter: Event information*/
3588 parameter_type = PARAM_TYPE_EVENT_INFO;
3589 parameter_item = proto_tree_add_text(isup_tree, message_tvb, offset,
3591 "Event information");
3592 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3593 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"));
3594 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3595 parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(EVENT_INFO_LENGTH, actual_length), EVENT_INFO_LENGTH);
3596 dissect_isup_event_information_parameter(parameter_tvb, parameter_tree, parameter_item);
3597 offset += EVENT_INFO_LENGTH;
3600 /* ------------------------------------------------------------------
3601 Dissector Message Type User-to-User information
3604 dissect_isup_user_to_user_information_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3605 { proto_item* parameter_item;
3606 proto_tree* parameter_tree;
3607 tvbuff_t *parameter_tvb;
3609 gint parameter_type, parameter_pointer, parameter_length, actual_length;
3611 /* Do stuff for mandatory variable parameter User-to-user information*/
3612 parameter_type = PARAM_TYPE_USER_TO_USER_INFO;
3614 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3615 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3617 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3618 offset + parameter_pointer,
3619 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3620 "User-to-user information, see Q.931");
3621 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3622 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"));
3623 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);
3624 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);
3625 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3626 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3627 dissect_isup_user_to_user_information_parameter(parameter_tvb, parameter_tree, parameter_item);
3628 offset += PARAMETER_POINTER_LENGTH;
3632 /* ------------------------------------------------------------------
3633 Dissector Message Type Confusion
3636 dissect_isup_confusion_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
3637 { proto_item* parameter_item;
3638 proto_tree* parameter_tree;
3639 tvbuff_t *parameter_tvb;
3641 gint parameter_type, parameter_pointer, parameter_length, actual_length;
3643 /* Do stuff for mandatory variable parameter Cause indicators */
3644 parameter_type = PARAM_TYPE_CAUSE_INDICATORS;
3646 parameter_pointer = tvb_get_guint8(message_tvb, offset);
3647 parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
3649 parameter_item = proto_tree_add_text(isup_tree, message_tvb,
3650 offset + parameter_pointer,
3651 parameter_length + PARAMETER_LENGTH_IND_LENGTH,
3652 "Cause indicators, see Q.850");
3653 parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
3654 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"));
3655 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);
3656 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);
3657 actual_length = tvb_ensure_length_remaining(message_tvb, offset);
3658 parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
3659 dissect_isup_cause_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
3660 offset += PARAMETER_POINTER_LENGTH;
3664 /* ------------------------------------------------------------------ */
3666 dissect_isup_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *isup_tree)
3668 tvbuff_t *parameter_tvb;
3669 tvbuff_t *optional_parameter_tvb;
3670 proto_item* pass_along_item;
3671 proto_tree* pass_along_tree;
3672 gint offset, bufferlength;
3673 guint8 message_type, opt_parameter_pointer;
3674 gint opt_part_possible = FALSE; /* default setting - for message types allowing optional
3675 params explicitely set to TRUE in case statement */
3678 /* Extract message type field */
3679 message_type = tvb_get_guint8(message_tvb,0);
3681 if (check_col(pinfo->cinfo, COL_INFO)){
3682 col_append_str(pinfo->cinfo, COL_INFO, val_to_str(message_type, isup_message_type_value, "reserved"));
3683 col_append_str(pinfo->cinfo, COL_INFO, " ");
3686 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);
3687 offset += MESSAGE_TYPE_LENGTH;
3689 bufferlength = tvb_ensure_length_remaining(message_tvb, offset);
3690 parameter_tvb = tvb_new_subset(message_tvb, offset, bufferlength, bufferlength);
3692 /* distinguish between message types:*/
3693 switch (message_type) {
3694 case MESSAGE_TYPE_INITIAL_ADDR:
3695 offset += dissect_isup_initial_address_message(parameter_tvb, isup_tree);
3696 opt_part_possible = TRUE;
3698 case MESSAGE_TYPE_SUBSEQ_ADDR:
3699 offset += dissect_isup_subsequent_address_message(parameter_tvb, isup_tree);
3700 opt_part_possible = TRUE;
3702 case MESSAGE_TYPE_INFO_REQ:
3703 offset += dissect_isup_information_request_message(parameter_tvb, isup_tree);
3704 opt_part_possible = TRUE;
3706 case MESSAGE_TYPE_INFO:
3707 offset += dissect_isup_information_message(parameter_tvb, isup_tree);
3708 opt_part_possible = TRUE;
3710 case MESSAGE_TYPE_CONTINUITY:
3711 offset += dissect_isup_continuity_message(parameter_tvb, isup_tree);
3713 case MESSAGE_TYPE_ADDR_CMPL:
3714 offset += dissect_isup_address_complete_message(parameter_tvb, isup_tree);
3715 opt_part_possible = TRUE;
3717 case MESSAGE_TYPE_CONNECT:
3718 offset += dissect_isup_connect_message(parameter_tvb, isup_tree);
3719 opt_part_possible = TRUE;
3721 case MESSAGE_TYPE_FORW_TRANS:
3722 /* no dissector necessary since no mandatory parameters included */
3723 opt_part_possible = TRUE;
3725 case MESSAGE_TYPE_ANSWER:
3726 /* no dissector necessary since no mandatory parameters included */
3727 opt_part_possible = TRUE;
3729 case MESSAGE_TYPE_RELEASE:
3730 offset += dissect_isup_release_message(parameter_tvb, isup_tree);
3731 opt_part_possible = TRUE;
3733 case MESSAGE_TYPE_SUSPEND:
3734 offset += dissect_isup_suspend_resume_message(parameter_tvb, isup_tree);
3735 opt_part_possible = TRUE;
3737 case MESSAGE_TYPE_RESUME:
3738 offset += dissect_isup_suspend_resume_message(parameter_tvb, isup_tree);
3739 opt_part_possible = TRUE;
3741 case MESSAGE_TYPE_REL_CMPL:
3742 /* no dissector necessary since no mandatory parameters included */
3743 opt_part_possible = TRUE;
3745 case MESSAGE_TYPE_CONT_CHECK_REQ:
3746 /* no dissector necessary since no mandatory parameters included */
3748 case MESSAGE_TYPE_RESET_CIRCUIT:
3749 /* no dissector necessary since no mandatory parameters included */
3751 case MESSAGE_TYPE_BLOCKING:
3752 /* no dissector necessary since no mandatory parameters included */
3754 case MESSAGE_TYPE_UNBLOCKING:
3755 /* no dissector necessary since no mandatory parameters included */
3757 case MESSAGE_TYPE_BLOCK_ACK:
3758 /* no dissector necessary since no mandatory parameters included */
3760 case MESSAGE_TYPE_UNBLOCK_ACK:
3761 /* no dissector necessary since no mandatory parameters included */
3763 case MESSAGE_TYPE_CIRC_GRP_RST:
3764 offset += dissect_isup_circuit_group_reset_query_message(parameter_tvb, isup_tree);
3766 case MESSAGE_TYPE_CIRC_GRP_BLCK:
3767 offset += dissect_isup_circuit_group_blocking_messages(parameter_tvb, isup_tree);
3769 case MESSAGE_TYPE_CIRC_GRP_UNBL:
3770 offset += dissect_isup_circuit_group_blocking_messages(parameter_tvb, isup_tree);
3772 case MESSAGE_TYPE_CIRC_GRP_BL_ACK:
3773 offset += dissect_isup_circuit_group_blocking_messages(parameter_tvb, isup_tree);
3775 case MESSAGE_TYPE_CIRC_GRP_UNBL_ACK:
3776 offset += dissect_isup_circuit_group_blocking_messages(parameter_tvb, isup_tree);
3778 case MESSAGE_TYPE_FACILITY_REQ:
3779 offset += dissect_isup_facility_request_accepted_message(parameter_tvb, isup_tree);
3780 opt_part_possible = TRUE;
3782 case MESSAGE_TYPE_FACILITY_ACC:
3783 offset += dissect_isup_facility_request_accepted_message(parameter_tvb, isup_tree);
3784 opt_part_possible = TRUE;
3786 case MESSAGE_TYPE_FACILITY_REJ:
3787 offset += dissect_isup_facility_reject_message(parameter_tvb, isup_tree);
3788 opt_part_possible = TRUE;
3790 case MESSAGE_TYPE_LOOP_BACK_ACK:
3791 /* no dissector necessary since no mandatory parameters included */
3793 case MESSAGE_TYPE_PASS_ALONG:
3794 /* call dissect_isup_message recursively */
3795 { guint8 pa_message_type;
3796 pa_message_type = tvb_get_guint8(parameter_tvb, 0);
3797 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, "reserved"), pa_message_type);
3798 pass_along_tree = proto_item_add_subtree(pass_along_item, ett_isup_pass_along_message);
3799 dissect_isup_message(parameter_tvb, pinfo, pass_along_tree);
3802 case MESSAGE_TYPE_CIRC_GRP_RST_ACK:
3803 offset += dissect_isup_circuit_group_reset_acknowledgement_message(parameter_tvb, isup_tree);
3805 case MESSAGE_TYPE_CIRC_GRP_QRY:
3806 offset += dissect_isup_circuit_group_reset_query_message(parameter_tvb, isup_tree);
3808 case MESSAGE_TYPE_CIRC_GRP_QRY_RSP:
3809 offset += dissect_isup_circuit_group_query_response_message(parameter_tvb, isup_tree);
3811 case MESSAGE_TYPE_CALL_PROGRSS:
3812 offset += dissect_isup_call_progress_message(parameter_tvb, isup_tree);
3813 opt_part_possible = TRUE;
3815 case MESSAGE_TYPE_USER2USER_INFO:
3816 offset += dissect_isup_user_to_user_information_message(parameter_tvb, isup_tree);
3817 opt_part_possible = TRUE;
3819 case MESSAGE_TYPE_UNEQUIPPED_CIC:
3820 /* no dissector necessary since no mandatory parameters included */
3822 case MESSAGE_TYPE_CONFUSION:
3823 offset += dissect_isup_confusion_message(parameter_tvb, isup_tree);
3824 opt_part_possible = TRUE;
3826 case MESSAGE_TYPE_OVERLOAD:
3827 /* no dissector necessary since no mandatory parameters included */
3829 case MESSAGE_TYPE_CHARGE_INFO:
3830 /* do nothing since format is a national matter */
3831 proto_tree_add_text(isup_tree, parameter_tvb, 0, bufferlength, "Format is a national matter");
3833 case MESSAGE_TYPE_NETW_RESRC_MGMT:
3834 /* no dissector necessary since no mandatory parameters included */
3835 opt_part_possible = TRUE;
3837 case MESSAGE_TYPE_FACILITY:
3838 /* no dissector necessary since no mandatory parameters included */
3839 opt_part_possible = TRUE;
3841 case MESSAGE_TYPE_USER_PART_TEST:
3842 /* no dissector necessary since no mandatory parameters included */
3843 opt_part_possible = TRUE;
3845 case MESSAGE_TYPE_USER_PART_AVAIL:
3846 /* no dissector necessary since no mandatory parameters included */
3847 opt_part_possible = TRUE;
3849 case MESSAGE_TYPE_IDENT_REQ:
3850 /* no dissector necessary since no mandatory parameters included */
3851 opt_part_possible = TRUE;
3853 case MESSAGE_TYPE_IDENT_RSP:
3854 /* no dissector necessary since no mandatory parameters included */
3855 opt_part_possible = TRUE;
3857 case MESSAGE_TYPE_SEGMENTATION:
3858 /* no dissector necessary since no mandatory parameters included */
3859 opt_part_possible = TRUE;
3861 case MESSAGE_TYPE_LOOP_PREVENTION:
3862 /* no dissector necessary since no mandatory parameters included */
3863 opt_part_possible = TRUE;
3866 proto_tree_add_text(isup_tree, parameter_tvb, 0, bufferlength, "Unknown Message type (possibly reserved/used in former ISUP version)");
3870 /* extract pointer to start of optional part (if any) */
3871 if (opt_part_possible == TRUE){
3872 opt_parameter_pointer = tvb_get_guint8(message_tvb, offset);
3873 if (opt_parameter_pointer > 0){
3874 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);
3875 offset += opt_parameter_pointer;
3876 optional_parameter_tvb = tvb_new_subset(message_tvb, offset, -1, -1 );
3877 dissect_isup_optional_parameter(optional_parameter_tvb, isup_tree);
3880 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);
3882 else if (message_type !=MESSAGE_TYPE_CHARGE_INFO)
3883 proto_tree_add_text(isup_tree, message_tvb, 0, 0, "No optional parameters are possible with this message type");
3887 /* ------------------------------------------------------------------ */
3889 dissect_isup(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
3892 /* Set up structures needed to add the protocol subtree and manage it */
3894 proto_tree *isup_tree;
3895 tvbuff_t *message_tvb;
3898 /* Make entries in Protocol column and Info column on summary display */
3899 if (check_col(pinfo->cinfo, COL_PROTOCOL))
3900 col_set_str(pinfo->cinfo, COL_PROTOCOL, "ISUP");
3902 if (check_col(pinfo->cinfo, COL_INFO))
3903 col_add_str(pinfo->cinfo, COL_INFO, "ISUP message: ");
3905 /* In the interest of speed, if "tree" is NULL, don't do any work not
3906 necessary to generate protocol tree items. */
3908 ti = proto_tree_add_item(tree, proto_isup, tvb, 0, -1, FALSE);
3909 isup_tree = proto_item_add_subtree(ti, ett_isup);
3911 /* dissect CIC in main dissector since pass-along message type carrying complete IUSP message w/o CIC needs
3912 recursive message dissector call */
3913 cic = tvb_get_letohs(tvb, CIC_OFFSET) & 0x0FFF; /*since upper 4 bits spare */
3915 proto_tree_add_uint_format(isup_tree, hf_isup_cic, tvb, CIC_OFFSET, CIC_LENGTH, cic, "CIC: %u", cic);
3917 message_tvb = tvb_new_subset(tvb, CIC_LENGTH, -1, -1);
3918 dissect_isup_message(message_tvb, pinfo, isup_tree);
3923 /*---------------------------------------------------------------------*/
3924 /* Register the protocol with Ethereal */
3926 proto_register_isup(void)
3928 /* Setup list of header fields See Section 1.6.1 for details*/
3929 static hf_register_info hf[] = {
3931 { "CIC", "isup.cic",
3932 FT_UINT16, BASE_HEX, NULL, 0xFF0F,
3935 { &hf_isup_message_type,
3936 { "Message Type", "isup.message_type",
3937 FT_UINT8, BASE_DEC, NULL, 0x0,
3940 { &hf_isup_parameter_type,
3941 { "Parameter Type", "isup.parameter_type",
3942 FT_UINT8, BASE_DEC, NULL, 0x0,
3945 { &hf_isup_parameter_length,
3946 { "Parameter Length", "isup.parameter_length",
3947 FT_UINT8, BASE_DEC, NULL, 0x0,
3950 { &hf_isup_mandatory_variable_parameter_pointer,
3951 { "Pointer to Parameter", "isup.mandatory_variable_parameter_pointer",
3952 FT_UINT8, BASE_DEC, NULL, 0x0,
3955 { &hf_isup_pointer_to_start_of_optional_part,
3956 { "Pointer to optional parameter part", "isup.optional_parameter_part_pointer",
3957 FT_UINT8, BASE_DEC, NULL, 0x0,
3960 { &hf_isup_satellite_indicator,
3961 { "Satellite Indicator", "isup.satellite_indicator",
3962 FT_UINT8, BASE_HEX, VALS(isup_satellite_ind_value), BA_8BIT_MASK,
3965 { &hf_isup_continuity_check_indicator,
3966 { "Continuity Check Indicator", "isup.continuity_check_indicator",
3967 FT_UINT8, BASE_HEX, VALS(isup_continuity_check_ind_value), DC_8BIT_MASK,
3970 { &hf_isup_echo_control_device_indicator,
3971 { "Echo Control Device Indicator", "isup.echo_control_device_indicator",
3972 FT_BOOLEAN, 8, TFS(&isup_echo_control_device_ind_value),E_8BIT_MASK,
3975 { &hf_isup_forw_call_natnl_inatnl_call_indicator,
3976 { "National/international call indicator", "isup.forw_call_natnl_inatnl_call_indicator",
3977 FT_BOOLEAN, 16, TFS(&isup_natnl_inatnl_call_ind_value),A_16BIT_MASK,
3980 { &hf_isup_forw_call_end_to_end_method_indicator,
3981 { "End-to-end method indicator", "isup.forw_call_end_to_end_method_indicator",
3982 FT_UINT16, BASE_HEX, VALS(isup_end_to_end_method_ind_value), CB_16BIT_MASK,
3985 { &hf_isup_forw_call_interworking_indicator,
3986 { "Interworking indicator", "isup.forw_call_interworking_indicator",
3987 FT_BOOLEAN, 16, TFS(&isup_interworking_ind_value), D_16BIT_MASK,
3990 { &hf_isup_forw_call_end_to_end_info_indicator,
3991 { "End-to-end information indicator", "isup.forw_call_end_to_end_information_indicator",
3992 FT_BOOLEAN, 16, TFS(&isup_end_to_end_info_ind_value), E_16BIT_MASK,
3995 { &hf_isup_forw_call_isdn_user_part_indicator,
3996 { "ISDN user part indicator", "isup.forw_call_isdn_user_part_indicator",
3997 FT_BOOLEAN, 16, TFS(&isup_ISDN_user_part_ind_value), F_16BIT_MASK,
4000 { &hf_isup_forw_call_preferences_indicator,
4001 { "ISDN user part preference indicator", "isup.forw_call_preferences_indicator",
4002 FT_UINT16, BASE_HEX, VALS(isup_preferences_ind_value), HG_16BIT_MASK,
4005 { &hf_isup_forw_call_isdn_access_indicator,
4006 { "ISDN access indicator", "isup.forw_call_isdn_access_indicator",
4007 FT_BOOLEAN, 16, TFS(&isup_ISDN_originating_access_ind_value), I_16BIT_MASK,
4010 { &hf_isup_forw_call_sccp_method_indicator,
4011 { "SCCP method indicator", "isup.forw_call_sccp_method_indicator",
4012 FT_UINT16, BASE_HEX, VALS(isup_SCCP_method_ind_value), KJ_16BIT_MASK,
4015 { &hf_isup_calling_partys_category,
4016 { "Calling Party's category", "isup.calling_partys_category",
4017 FT_UINT8, BASE_HEX, VALS(isup_calling_partys_category_value), 0x0,
4020 { &hf_isup_transmission_medium_requirement,
4021 { "Transmission medium requirement", "isup.transmission_medium_requirement",
4022 FT_UINT8, BASE_DEC, VALS(isup_transmission_medium_requirement_value), 0x0,
4025 { &hf_isup_odd_even_indicator,
4026 { "Odd/even indicator", "isup.isdn_odd_even_indicator",
4027 FT_BOOLEAN, 8, TFS(&isup_odd_even_ind_value), ISUP_ODD_EVEN_MASK,
4030 { &hf_isup_called_party_nature_of_address_indicator,
4031 { "Nature of address indicator", "isup.called_party_nature_of_address_indicator",
4032 FT_UINT8, BASE_DEC, VALS(isup_called_party_nature_of_address_ind_value), ISUP_NATURE_OF_ADDRESS_IND_MASK,
4035 { &hf_isup_calling_party_nature_of_address_indicator,
4036 { "Nature of address indicator", "isup.calling_party_nature_of_address_indicator",
4037 FT_UINT8, BASE_DEC, VALS(isup_calling_party_nature_of_address_ind_value), ISUP_NATURE_OF_ADDRESS_IND_MASK,
4040 { &hf_isup_inn_indicator,
4041 { "INN indicator", "isup.inn_indicator",
4042 FT_BOOLEAN, 8, TFS(&isup_INN_ind_value), ISUP_INN_MASK,
4045 { &hf_isup_ni_indicator,
4046 { "NI indicator", "isup.ni_indicator",
4047 FT_BOOLEAN, 8, TFS(&isup_NI_ind_value), ISUP_NI_MASK,
4050 { &hf_isup_numbering_plan_indicator,
4051 { "Numbering plan indicator", "isup.numbering_plan_indicator",
4052 FT_UINT8, BASE_DEC, VALS(isup_numbering_plan_ind_value), ISUP_NUMBERING_PLAN_IND_MASK,
4055 { &hf_isup_address_presentation_restricted_indicator,
4056 { "Address presentation restricted indicator", "isup.address_presentation_restricted_indicator",
4057 FT_UINT8, BASE_DEC, VALS(isup_address_presentation_restricted_ind_value), ISUP_ADDRESS_PRESENTATION_RESTR_IND_MASK,
4060 { &hf_isup_screening_indicator,
4061 { "Screening indicator", "isup.screening_indicator",
4062 FT_UINT8, BASE_DEC, VALS(isup_screening_ind_value), ISUP_SCREENING_IND_MASK,
4065 { &hf_isup_screening_indicator_enhanced,
4066 { "Screening indicator", "isup.screening_indicator_enhanced",
4067 FT_UINT8, BASE_DEC, VALS(isup_screening_ind_enhanced_value), ISUP_SCREENING_IND_MASK,
4070 { &hf_isup_called_party_odd_address_signal_digit,
4071 { "Address signal digit", "isup.called_party_odd_address_signal_digit",
4072 FT_UINT8, BASE_DEC, VALS(isup_called_party_address_digit_value), ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK,
4075 { &hf_isup_calling_party_odd_address_signal_digit,
4076 { "Address signal digit", "isup.calling_party_odd_address_signal_digit",
4077 FT_UINT8, BASE_DEC, VALS(isup_calling_party_address_digit_value), ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK,
4080 { &hf_isup_called_party_even_address_signal_digit,
4081 { "Address signal digit", "isup.called_party_even_address_signal_digit",
4082 FT_UINT8, BASE_DEC, VALS(isup_called_party_address_digit_value), ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK,
4085 { &hf_isup_calling_party_even_address_signal_digit,
4086 { "Address signal digit", "isup.calling_party_even_address_signal_digit",
4087 FT_UINT8, BASE_DEC, VALS(isup_calling_party_address_digit_value), ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK,
4090 { &hf_isup_calling_party_address_request_indicator,
4091 { "Calling party address request indicator", "isup.calling_party_address_request_indicator",
4092 FT_BOOLEAN, 16, TFS(&isup_calling_party_address_request_ind_value), A_16BIT_MASK,
4095 { &hf_isup_info_req_holding_indicator,
4096 { "Holding indicator", "isup.info_req_holding_indicator",
4097 FT_BOOLEAN, 16, TFS(&isup_holding_ind_value), B_16BIT_MASK,
4100 { &hf_isup_calling_partys_category_request_indicator,
4101 { "Calling party's category request indicator", "isup.calling_partys_category_request_indicator",
4102 FT_BOOLEAN, 16, TFS(&isup_calling_partys_category_request_ind_value), D_16BIT_MASK,
4105 { &hf_isup_charge_information_request_indicator,
4106 { "Charge information request indicator", "isup.charge_information_request_indicator",
4107 FT_BOOLEAN, 16, TFS(&isup_charge_information_request_ind_value), E_16BIT_MASK,
4110 { &hf_isup_malicious_call_identification_request_indicator,
4111 { "Malicious call identification request indicator (ISUP'88)", "isup.malicious_call_ident_request_indicator",
4112 FT_BOOLEAN, 16, TFS(&isup_malicious_call_identification_request_ind_value), H_16BIT_MASK,
4115 { &hf_isup_calling_party_address_response_indicator,
4116 { "Calling party address response indicator", "isup.calling_party_address_response_indicator",
4117 FT_UINT16, BASE_HEX, VALS(isup_calling_party_address_response_ind_value), BA_16BIT_MASK,
4120 { &hf_isup_hold_provided_indicator,
4121 { "Hold provided indicator", "isup.hold_provided_indicator",
4122 FT_BOOLEAN, 16, TFS(&isup_hold_provided_ind_value), C_16BIT_MASK,
4125 { &hf_isup_calling_partys_category_response_indicator,
4126 { "Calling party's category response indicator", "isup.calling_partys_category_response_indicator",
4127 FT_BOOLEAN, 16, TFS(&isup_calling_partys_category_response_ind_value), F_16BIT_MASK,
4130 { &hf_isup_charge_information_response_indicator,
4131 { "Charge information response indicator", "isup.charge_information_response_indicator",
4132 FT_BOOLEAN, 16, TFS(&isup_charge_information_response_ind_value), G_16BIT_MASK,
4135 { &hf_isup_solicited_indicator,
4136 { "Solicited indicator", "isup.solicided_indicator",
4137 FT_BOOLEAN, 16, TFS(&isup_solicited_information_ind_value), H_16BIT_MASK,
4140 { &hf_isup_continuity_indicator,
4141 { "Continuity indicator", "isup.continuity_indicator",
4142 FT_BOOLEAN, 8, TFS(&isup_continuity_ind_value), A_8BIT_MASK,
4145 { &hf_isup_backw_call_charge_ind,
4146 { "Charge indicator", "isup.charge_indicator",
4147 FT_UINT16, BASE_HEX, VALS(isup_charge_ind_value), BA_16BIT_MASK,
4150 { &hf_isup_backw_call_called_partys_status_ind,
4151 { "Called party's status indicator", "isup.called_partys_status_indicator",
4152 FT_UINT16, BASE_HEX, VALS(isup_called_partys_status_ind_value), DC_16BIT_MASK,
4155 { &hf_isup_backw_call_called_partys_category_ind,
4156 { "Called party's category indicator", "isup.called_partys_category_indicator",
4157 FT_UINT16, BASE_HEX, VALS(isup_called_partys_category_ind_value), FE_16BIT_MASK,
4160 { &hf_isup_backw_call_end_to_end_method_ind,
4161 { "End-to-end method indicator", "isup.backw_call_end_to_end_method_indicator",
4162 FT_UINT16, BASE_HEX, VALS(isup_end_to_end_method_ind_value), HG_16BIT_MASK,
4165 { &hf_isup_backw_call_interworking_ind,
4166 { "Interworking indicator", "isup.backw_call_interworking_indicator",
4167 FT_BOOLEAN, 16, TFS(&isup_interworking_ind_value), I_16BIT_MASK,
4170 { &hf_isup_backw_call_end_to_end_info_ind,
4171 { "End-to-end information indicator", "isup.backw_call_end_to_end_information_indicator",
4172 FT_BOOLEAN, 16, TFS(&isup_end_to_end_info_ind_value), J_16BIT_MASK,
4175 { &hf_isup_backw_call_isdn_user_part_ind,
4176 { "ISDN user part indicator", "isup.backw_call_isdn_user_part_indicator",
4177 FT_BOOLEAN, 16, TFS(&isup_ISDN_user_part_ind_value), K_16BIT_MASK,
4180 { &hf_isup_backw_call_holding_ind,
4181 { "Holding indicator", "isup.backw_call_holding_indicator",
4182 FT_BOOLEAN, 16, TFS(&isup_holding_ind_value), L_16BIT_MASK,
4185 { &hf_isup_backw_call_isdn_access_ind,
4186 { "ISDN access indicator", "isup.backw_call_isdn_access_indicator",
4187 FT_BOOLEAN, 16, TFS(&isup_ISDN_terminating_access_ind_value), M_16BIT_MASK,
4190 { &hf_isup_backw_call_echo_control_device_ind,
4191 { "Echo Control Device Indicator", "isup.backw_call_echo_control_device_indicator",
4192 FT_BOOLEAN, 16, TFS(&isup_echo_control_device_ind_value), N_16BIT_MASK,
4195 { &hf_isup_backw_call_sccp_method_ind,
4196 { "SCCP method indicator", "isup.backw_call_sccp_method_indicator",
4197 FT_UINT16, BASE_HEX, VALS(isup_SCCP_method_ind_value), PO_16BIT_MASK,
4200 { &hf_isup_suspend_resume_indicator,
4201 { "Suspend/Resume indicator", "isup.suspend_resume_indicator",
4202 FT_BOOLEAN, 8, TFS(&isup_suspend_resume_ind_value), A_8BIT_MASK,
4205 { &hf_isup_transmission_medium_requirement,
4206 { "Transmission medium requirement", "isup.transmission_medium_requirement",
4207 FT_UINT8, BASE_DEC, VALS(isup_transmission_medium_requirement_value), 0x0,
4210 { &hf_isup_range_indicator,
4211 { "Range indicator", "isup.range_indicator",
4212 FT_UINT8, BASE_DEC, NULL , 0x0,
4215 { &hf_isup_cgs_message_type,
4216 { "Circuit group supervision message type", "isup.cgs_message_type",
4217 FT_UINT8, BASE_DEC, VALS(isup_cgs_message_type_value), BA_8BIT_MASK,
4220 { &hf_isup_mtc_blocking_state1,
4221 { "Maintenance blocking state", "isup.mtc_blocking_state",
4222 FT_UINT8, BASE_DEC, VALS(isup_mtc_blocking_state_DC00_value), BA_8BIT_MASK,
4225 { &hf_isup_mtc_blocking_state2,
4226 { "Maintenance blocking state", "isup.mtc_blocking_state",
4227 FT_UINT8, BASE_DEC, VALS(isup_mtc_blocking_state_DCnot00_value), BA_8BIT_MASK,
4230 { &hf_isup_call_proc_state,
4231 { "Call processing state", "isup.call_processing_state",
4232 FT_UINT8, BASE_DEC, VALS(isup_call_processing_state_value), DC_8BIT_MASK,
4235 { &hf_isup_hw_blocking_state,
4236 { "HW blocking state", "isup.hw_blocking_state",
4237 FT_UINT8, BASE_DEC, VALS(isup_HW_blocking_state_value), FE_8BIT_MASK,
4240 { &hf_isup_event_ind,
4241 { "Event indicator", "isup.event_ind",
4242 FT_UINT8, 8, NULL, 0x0,
4245 { &hf_isup_event_presentation_restricted_ind,
4246 { "Event presentation restricted indicator", "isup.event_presentatiation_restr_ind",
4247 FT_BOOLEAN, 8, TFS(&isup_event_presentation_restricted_ind_value), H_8BIT_MASK,
4250 { &hf_isup_cug_call_ind,
4251 { "Closed user group call indicator", "isup.clg_call_ind",
4252 FT_UINT8, BASE_DEC, VALS(isup_CUG_call_ind_value), BA_8BIT_MASK,
4255 { &hf_isup_simple_segmentation_ind,
4256 { "Simple segmentation indicator", "isup.simple_segmentation_ind",
4257 FT_BOOLEAN, 8, TFS(&isup_simple_segmentation_ind_value), C_8BIT_MASK,
4260 { &hf_isup_connected_line_identity_request_ind,
4261 { "Connected line identity request indicator", "isup.connected_line_identity_request_ind",
4262 FT_BOOLEAN, 8, TFS(&isup_connected_line_identity_request_ind_value), H_8BIT_MASK,
4265 { &hf_isup_redirecting_ind,
4266 { "Redirection indicator", "isup.redirecting_ind",
4267 FT_UINT16, BASE_DEC, VALS(isup_redirecting_ind_value), CBA_16BIT_MASK,
4270 { &hf_isup_original_redirection_reason,
4271 { "Original redirection reason", "isup.original_redirection_reason",
4272 FT_UINT16, BASE_DEC, VALS(isup_original_redirection_reason_value), HGFE_16BIT_MASK,
4275 { &hf_isup_redirection_counter,
4276 { "Redirection counter", "isup.redirection_counter",
4277 FT_UINT16, BASE_DEC, NULL, KJI_16BIT_MASK,
4280 { &hf_isup_redirection_reason,
4281 { "Redirection reason", "isup.redirection_reason",
4282 FT_UINT16, BASE_DEC, VALS(isup_redirection_reason_value), PONM_16BIT_MASK,
4285 { &hf_isup_type_of_network_identification,
4286 { "Type of network identification", "isup.type_of_network_identification",
4287 FT_UINT8, BASE_DEC, VALS(isup_type_of_network_identification_value), GFE_8BIT_MASK,
4290 { &hf_isup_network_identification_plan,
4291 { "Network identification plan", "isup.network_identification_plan",
4292 FT_UINT8, BASE_DEC, VALS(isup_network_identification_plan_value), DCBA_8BIT_MASK,
4295 { &hf_isup_map_type,
4296 { "Map Type", "isup.map_type",
4297 FT_UINT8, BASE_DEC, VALS(isup_map_type_value), FEDCBA_8BIT_MASK,
4300 { &hf_isup_automatic_congestion_level,
4301 { "Automatic congestion level", "isup.automatic_congestion_level",
4302 FT_UINT8, BASE_DEC, VALS(isup_auto_congestion_level_value), 0x0,
4305 { &hf_isup_inband_information_ind,
4306 { "In-band information indicator", "isup.inband_information_ind",
4307 FT_BOOLEAN, 8, TFS(&isup_inband_information_ind_value), A_8BIT_MASK,
4310 { &hf_isup_call_diversion_may_occur_ind,
4311 { "Call diversion may occur indicator", "isup.call_diversion_may_occur_ind",
4312 FT_BOOLEAN, 8, TFS(&isup_call_diversion_may_occur_ind_value), B_8BIT_MASK,
4315 { &hf_isup_mlpp_user_ind,
4316 { "MLPP user indicator", "isup.mlpp_user",
4317 FT_BOOLEAN, 8, TFS(&isup_MLPP_user_ind_value), D_8BIT_MASK,
4320 { &hf_isup_access_delivery_ind,
4321 { "Access delivery indicator", "isup.access_delivery_ind",
4322 FT_BOOLEAN, 8, TFS(&isup_access_delivery_ind_value), A_8BIT_MASK,
4325 { &hf_isup_transmission_medium_requirement_prime,
4326 { "Transmission medium requirement prime", "isup.transmission_medium_requirement_prime",
4327 FT_UINT8, BASE_DEC, VALS(isup_transmission_medium_requirement_prime_value), 0x0,
4330 { &hf_isup_loop_prevention_response_ind,
4331 { "Response indicator", "isup.loop_prevention_response_ind",
4332 FT_UINT8, BASE_DEC, VALS(isup_loop_prevention_response_ind_value), CB_8BIT_MASK,
4335 { &hf_isup_temporary_alternative_routing_ind,
4336 { "Temporary alternative routing indicator", "isup.temporary_alternative_routing_ind",
4337 FT_BOOLEAN, 8, TFS(&isup_temporary_alternative_routing_ind_value), A_8BIT_MASK,
4340 { &hf_isup_extension_ind,
4341 { "Extension indicator", "isup.extension_ind",
4342 FT_BOOLEAN, 8, TFS(&isup_extension_ind_value), H_8BIT_MASK,
4345 { &hf_isup_call_to_be_diverted_ind,
4346 { "Call to be diverted indicator", "isup.call_to_be_diverted_ind",
4347 FT_UINT8, BASE_DEC, VALS(isup_call_to_be_diverted_ind_value), BA_8BIT_MASK,
4350 { &hf_isup_call_to_be_offered_ind,
4351 { "Call to be offered indicator", "isup.call_to_be_offered_ind",
4352 FT_UINT8, BASE_DEC, VALS(isup_call_to_be_offered_ind_value), BA_8BIT_MASK,
4355 { &hf_isup_conference_acceptance_ind,
4356 { "Conference acceptance indicator", "isup.conference_acceptance_ind",
4357 FT_UINT8, BASE_DEC, VALS(isup_conference_acceptance_ind_value), BA_8BIT_MASK,
4361 /* Setup protocol subtree array */
4362 static gint *ett[] = {
4364 &ett_isup_parameter,
4365 &ett_isup_address_digits,
4366 &ett_isup_pass_along_message,
4367 &ett_isup_circuit_state_ind
4370 /* Register the protocol name and description */
4371 proto_isup = proto_register_protocol("ISDN User Part",
4374 /* Required function calls to register the header fields and subtrees used */
4375 proto_register_field_array(proto_isup, hf, array_length(hf));
4376 proto_register_subtree_array(ett, array_length(ett));
4380 /* ------------------------------------------------------------------ */
4381 /* Register isup with the sub-laying MTP L3 dissector */
4383 proto_reg_handoff_isup(void)
4385 dissector_handle_t isup_handle;
4387 isup_handle = create_dissector_handle(dissect_isup, proto_isup);
4388 dissector_add("mtp3.service_indicator", MTP3_ISUP_SERVICE_INDICATOR, isup_handle);
4389 dissector_add("m3ua.protocol_data_si", MTP3_ISUP_SERVICE_INDICATOR, isup_handle);