packet-h450.c

   1 /* packet-h450.c
   2  * Routines for H.450 packet dissection
   3  * 2003  Graeme Reid (graeme.reid@norwoodsystems.com)
   4  *
   5  * Copied from packet-h225.c and packet-h245.c
   6  *
   7  * $Id: packet-h450.c,v 1.9 2004/05/17 20:03:36 sahlberg Exp $
   8  *
   9  * Ethereal - Network traffic analyzer
  10  * By Gerald Combs <gerald@ethereal.com>
  11  * Copyright 1998 Gerald Combs
  12  *
  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.
  17  *
  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.
  22  *
  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.
  26  */
  27
  28 #ifdef HAVE_CONFIG_H
  29 # include "config.h"
  30 #endif
  31
  32 #include <glib.h>
  33 #include <epan/packet.h>
  34 #include <epan/conversation.h>
  35
  36 #include <stdio.h>
  37 #include <string.h>
  38
  39 #include "prefs.h"
  40 #include "packet-per.h"
  41 #include "packet-h225.h"
  42 #include "packet-h245.h"
  43
  44 /* H.450.2 Call Transfer constants */
  45 #define CallTransferIdentify        7
  46 #define CallTransferAbandon         8
  47 #define CallTransferInitiate        9
  48 #define CallTransferSetup           10
  49 #define CallTransferUpdate          13
  50 #define SubaddressTransfer          14
  51 #define CallTransferComplete        12
  52 #define CallTransferActive          11
  53
  54 /* H.450.3 Call Diversion constants */
  55 #define ActivateDiversionQ          15
  56 #define DeactivateDiversionQ        16
  57 #define InterrogateDiversionQ       17
  58 #define CheckRestriction            18
  59 #define CallRerouting               19
  60 #define DivertingLegInformation1    20
  61 #define DivertingLegInformation2    21
  62 #define DivertingLegInformation3    22
  63 #define DivertingLegInformation4    100
  64 #define CfnrDivertedLegFailed       23
  65
  66 /* H.450.4 Call Hold constants */
  67 #define HoldNotific                 101
  68 #define RetrieveNotific             102
  69 #define RemoteHold                  103
  70 #define RemoteRetrieve              104
  71
  72 /* H.450.5 Call Park and Pickup constants */
  73 #define CpRequest                   106
  74 #define CpSetup                     107
  75 #define GroupIndicationOn           108
  76 #define GroupIndicationOff          109
  77 #define Pickrequ                    110
  78 #define Pickup                      111
  79 #define PickExe                     112
  80 #define CpNotify                    113
  81 #define CpickupNotify               114
  82
  83 /* H.450.6 Call Waiting constants */
  84 #define CallWaiting                 105
  85
  86 /* TODO - define other H.450.x constants here */
  87
  88 static dissector_handle_t h4501_handle;
  89
  90 static int proto_h4501 = -1;
  91
  92 static int hf_h4501 = -1;
  93 static int hf_h4501_EntityType = -1;
  94 static int hf_h4501_NetworkFacilityExtension = -1;
  95 static int hf_h4501_InterpretationApdu = -1;
  96 static int hf_h4501_constrained_invokeId = -1;
  97 static int hf_h4501_invokeId = -1;
  98 static int hf_h4501_localOpcode = -1;
  99 static int hf_h4501_globalCode = -1;
 100 static int hf_h4501_opcode = -1;
 101 static int hf_h4501_destinationAddress = -1;
 102 static int hf_h4501_EndpointAddress = -1;
 103 static int hf_h4501_H225InformationElement = -1;
 104 static int hf_h4501_SubaddressInformation = -1;
 105 static int hf_h4501_oddCountIndicator = -1;
 106 static int hf_h4501_UserSpecifiedSubaddress = -1;
 107 static int hf_h4501_NSAPAddress = -1;
 108 static int hf_h4501_PartySubaddress = -1;
 109 static int hf_h4501_argumentExtension = -1;
 110 static int hf_h4501_argument = -1;
 111 static int hf_h4501_Invoke = -1;
 112 static int hf_h4501_resultExtension = -1;
 113 static int hf_h4501_ReturnResult_result = -1;
 114 static int hf_h4501_result = -1;
 115 static int hf_h4501_ReturnResult = -1;
 116 static int hf_h4501_localErrorCode = -1;
 117 static int hf_h4501_errorCode = -1;
 118 static int hf_h4501_parameter = -1;
 119 static int hf_h4501_ReturnError = -1;
 120 static int hf_h4501_GeneralProblem = -1;
 121 static int hf_h4501_InvokeProblem = -1;
 122 static int hf_h4501_ReturnResultProblem = -1;
 123 static int hf_h4501_ReturnErrorProblem = -1;
 124 static int hf_h4501_problem = -1;
 125 static int hf_h4501_Reject = -1;
 126 static int hf_h4501_ROS = -1;
 127 static int hf_h4501_rosApdus = -1;
 128 static int hf_h4501_ServiceApdus = -1;
 129
 130 static int hf_h4502_nonStandardData = -1;
 131 static int hf_h4502_DummyArg = -1;
 132 static int hf_h4502_CallIdentity = -1;
 133 static int hf_h4502_CTInitiateArg = -1;
 134 static int hf_h4502_CTSetupArg = -1;
 135 static int hf_h4502_redirectionInfo = -1;
 136 static int hf_h4502_CTUpdateArg = -1;
 137 static int hf_h4502_SubaddressTransferArg = -1;
 138 static int hf_h4502_EndDesignation = -1;
 139 static int hf_h4502_CallStatus = -1;
 140 static int hf_h4502_CTCompleteArg = -1;
 141 static int hf_h4502_connectedInfo = -1;
 142 static int hf_h4502_CTActiveArg = -1;
 143 static int hf_h4502_CTIdentifyRes = -1;
 144 static int hf_h4502_DummyRes = -1;
 145
 146 static gint ett_h4501 = -1;
 147 static gint ett_h4501_EntityType = -1;
 148 static gint ett_h4501_NetworkFacilityExtension = -1;
 149 static gint ett_h4501_InterpretationApdu = -1;
 150 static gint ett_h4501_opcode = -1;
 151 static gint ett_h4501_destinationAddress = -1;
 152 static gint ett_h4501_EndpointAddress = -1;
 153 static gint ett_h4501_UserSpecifiedSubaddress = -1;
 154 static gint ett_h4501_PartySubaddress = -1;
 155 static gint ett_h4501_argumentExtension = -1;
 156 static gint ett_h4501_Invoke = -1;
 157 static gint ett_h4501_resultExtension = -1;
 158 static gint ett_h4501_result = -1;
 159 static gint ett_h4501_ReturnResult = -1;
 160 static gint ett_h4501_errorCode = -1;
 161 static gint ett_h4501_ReturnError = -1;
 162 static gint ett_h4501_problem = -1;
 163 static gint ett_h4501_Reject = -1;
 164 static gint ett_h4501_ROS = -1;
 165 static gint ett_h4501_rosApdus = -1;
 166 static gint ett_h4501_ServiceApdus = -1;
 167
 168 static gint ett_h4502_DummyArg = -1;
 169 static gint ett_h4502_CTInitiateArg = -1;
 170 static gint ett_h4502_CTSetupArg = -1;
 171 static gint ett_h4502_CTUpdateArg = -1;
 172 static gint ett_h4502_SubaddressTransferArg = -1;
 173 static gint ett_h4502_CTCompleteArg = -1;
 174 static gint ett_h4502_CTActiveArg = -1;
 175 static gint ett_h4502_CTIdentifyRes = -1;
 176 static gint ett_h4502_DummyRes = -1;
 177
 178 static guint32 localOpcode;
 179 static guint32 localErrorCode;
 180
 181 static int
 182 dissect_h4501_NULL(tvbuff_t *tvb _U_, int offset, packet_info *pinfo _U_, proto_tree *tree _U_)
 183 {
 184         return offset;
 185 }
 186
 187
 188 static const value_string EntityType_vals[] = {
 189         { 0, "endpoint" },
 190         { 1, "anyEntity" },
 191         { 0, NULL}
 192 };
 193 static per_choice_t EntityType_choice[] = {
 194         { 0, "endpoint", ASN1_EXTENSION_ROOT,
 195                 dissect_h4501_NULL },
 196         { 1, "anyEntity", ASN1_EXTENSION_ROOT,
 197                 dissect_h4501_NULL },
 198         { 0, NULL, 0, NULL }
 199 };
 200 static int
 201 dissect_h4501_EntityType(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 202 {
 203    offset=dissect_per_choice(tvb, offset, pinfo, tree, hf_h4501_EntityType, ett_h4501_EntityType, EntityType_choice, "EntityType", NULL);
 204    return offset;
 205 }
 206
 207
 208 static per_sequence_t NetworkFacilityExtension_sequence[] = {
 209         { "sourceEntity", ASN1_EXTENSION_ROOT, ASN1_NOT_OPTIONAL,
 210                 dissect_h4501_EntityType },
 211         { "sourceEntityAddress", ASN1_EXTENSION_ROOT, ASN1_OPTIONAL,
 212                 dissect_h225_AliasAddress },
 213         { "destinationEntity", ASN1_EXTENSION_ROOT, ASN1_NOT_OPTIONAL,
 214                 dissect_h4501_EntityType },
 215         { "destinationEntityAddress", ASN1_EXTENSION_ROOT, ASN1_OPTIONAL,
 216                 dissect_h225_AliasAddress },
 217         { NULL, 0, 0, NULL }
 218 };
 219 static int
 220 dissect_h4501_NetworkFacilityExtension(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 221 {
 222    offset=dissect_per_sequence(tvb, offset, pinfo, tree, hf_h4501_NetworkFacilityExtension, ett_h4501_NetworkFacilityExtension, NetworkFacilityExtension_sequence);
 223    return offset;
 224 }
 225
 226
 227 static const value_string InterpretationApdu_vals[] = {
 228         { 0, "discardAnyUnrecognizedInvokePdu" },
 229         { 1, "clearCallIfAnyInvokePduNotRecognized" },
 230         { 2, "rejectAnyUnrecognizedInvokePdu" },
 231         { 0, NULL}
 232 };
 233 static per_choice_t InterpretationApdu_choice[] = {
 234         { 0, "discardAnyUnrecognizedInvokePdu", ASN1_EXTENSION_ROOT,
 235                 dissect_h4501_NULL },
 236         { 1, "clearCallIfAnyInvokePduNotRecognized", ASN1_EXTENSION_ROOT,
 237                 dissect_h4501_NULL },
 238         { 2, "rejectAnyUnrecognizedInvokePdu", ASN1_EXTENSION_ROOT,
 239                 dissect_h4501_NULL },
 240         { 0, NULL, 0, NULL }
 241 };
 242 static int
 243 dissect_h4501_InterpretationApdu(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 244 {
 245    offset=dissect_per_choice(tvb, offset, pinfo, tree, hf_h4501_InterpretationApdu, ett_h4501_InterpretationApdu, InterpretationApdu_choice, "InterpretationApdu", NULL);
 246    return offset;
 247 }
 248
 249
 250 static int
 251 dissect_h4501_constrained_invokeId(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 252 {
 253    offset=dissect_per_constrained_integer(tvb, offset, pinfo, tree, hf_h4501_constrained_invokeId, 0, 65535, NULL, NULL, FALSE);
 254         return offset;
 255 }
 256
 257
 258 static int
 259 dissect_h4501_invokeId(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 260 {
 261    offset=dissect_per_integer(tvb, offset, pinfo, tree, hf_h4501_invokeId, NULL, NULL);
 262         return offset;
 263 }
 264
 265
 266 static const value_string localOpcode_vals[] = {
 267    /* H.450.2 Call Transfer opcodes */
 268    { CallTransferIdentify,    "callTransferIdentify"},
 269    { CallTransferAbandon,     "callTransferAbandon"},
 270    { CallTransferInitiate,    "callTransferInitiate"},
 271    { CallTransferSetup,       "callTransferSetup"},
 272    { CallTransferUpdate,      "callTransferUpdate"},
 273    { SubaddressTransfer,      "subaddressTransfer"},
 274    { CallTransferComplete,    "callTransferComplete"},
 275    { CallTransferActive,      "callTransferActive"},
 276
 277    /* H.450.3 Call Diversion opcodes */
 278    { ActivateDiversionQ,      "activateDiversionQ"},
 279    { DeactivateDiversionQ,    "deactivateDiversionQ"},
 280    { InterrogateDiversionQ,   "interrogateDiversionQ"},
 281    { CheckRestriction,        "checkRestriction"},
 282    { CallRerouting,           "callRerouting"},
 283    { DivertingLegInformation1,"divertingLegInformation1"},
 284    { DivertingLegInformation2,"divertingLegInformation2"},
 285    { DivertingLegInformation3,"divertingLegInformation3"},
 286    { DivertingLegInformation4,"divertingLegInformation4"},
 287    { CfnrDivertedLegFailed,   "cfnrDivertedLegFailed"},
 288
 289    /* H.450.4 Call Hold opcodes */
 290    { HoldNotific,             "holdNotific"},
 291    { RetrieveNotific,         "retrieveNotific"},
 292    { RemoteHold,              "remoteHold"},
 293    { RemoteRetrieve,          "remoteRetrieve"},
 294
 295    /* H.450.5 Call Park and Pickup opcodes */
 296    { CpRequest,               "cpRequest"},
 297    { CpSetup,                 "cpSetup"},
 298    { GroupIndicationOn,       "groupIndicationOn"},
 299    { GroupIndicationOff,      "groupIndicationOff"},
 300    { Pickrequ,                "pickrequ"},
 301    { Pickup,                  "pickup"},
 302    { PickExe,                 "pickExe"},
 303    { CpNotify,                "cpNotify"},
 304    { CpickupNotify,           "cpickupNotify"},
 305
 306    /* H.450.6 Call Waiting opcodes */
 307    { CallWaiting,             "callWaiting"},
 308
 309    /* TODO - add other H.450.x invoke opcodes here */
 310
 311         {  0, NULL }
 312 };
 313 static int
 314 dissect_h4501_localOpcode(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 315 {
 316    offset=dissect_per_integer(tvb, offset, pinfo, tree, hf_h4501_localOpcode, &localOpcode, NULL);
 317         return offset;
 318 }
 319
 320
 321 static int
 322 dissect_h4501_globalCode(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 323 {
 324         offset=dissect_per_object_identifier(tvb, offset, pinfo, tree, hf_h4501_globalCode, NULL);
 325    return offset;
 326 }
 327
 328
 329 static const value_string opcode_vals[] = {
 330         { 0, "local" },
 331         { 1, "global" },
 332         { 0, NULL}
 333 };
 334 static per_choice_t opcode_choice[] = {
 335         { 0, "local", ASN1_NO_EXTENSIONS,
 336                 dissect_h4501_localOpcode },
 337         { 1, "global", ASN1_NO_EXTENSIONS,
 338                 dissect_h4501_globalCode },
 339         { 0, NULL, 0, NULL }
 340 };
 341 static int
 342 dissect_h4501_opcode(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 343 {
 344    offset=dissect_per_choice(tvb, offset, pinfo, tree, hf_h4501_opcode, ett_h4501_opcode, opcode_choice, "Opcode", NULL);
 345    return offset;
 346 }
 347
 348
 349 static int
 350 dissect_h4501_ExtensionSeq(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 351 {
 352 PER_NOT_DECODED_YET("H.450.1 ExtensionSeq");
 353    return offset;
 354 }
 355
 356
 357 static int
 358 dissect_h4502_nonStandardData(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 359 {
 360         offset = dissect_h225_NonStandardParameter(tvb, offset, pinfo, tree,
 361                                 hf_h4502_nonStandardData);
 362         return offset;
 363 }
 364
 365 static const value_string Extension_vals[] = {
 366         { 0, "extensionSeq" },
 367         { 1, "nonStandardData" },
 368         { 0, NULL}
 369 };
 370 static per_choice_t Extension_choice[] = {
 371         { 0, "extensionSeq", ASN1_NO_EXTENSIONS,
 372                 dissect_h4501_ExtensionSeq },
 373         { 1, "nonStandardData", ASN1_NO_EXTENSIONS,
 374                 dissect_h4502_nonStandardData },
 375         { 0, NULL, 0, NULL }
 376 };
 377 static int
 378 dissect_h4502_DummyArg(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 379 {
 380    offset=dissect_per_choice(tvb, offset, pinfo, tree, hf_h4502_DummyArg, ett_h4502_DummyArg, Extension_choice, "DummyArg", NULL);
 381    return offset;
 382 }
 383
 384
 385 static int
 386 dissect_h4502_CallIdentity(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 387 {
 388    offset=dissect_per_NumericString(tvb, offset, pinfo, tree, hf_h4502_CallIdentity, 0, 4);
 389    return offset;
 390 }
 391
 392
 393 static int
 394 dissect_h4501_destinationAddress(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 395 {
 396         offset=dissect_per_sequence_of(tvb, offset, pinfo, tree, hf_h4501_destinationAddress, ett_h4501_destinationAddress, dissect_h225_AliasAddress);
 397    return offset;
 398 }
 399
 400
 401 static per_sequence_t EndpointAddress_sequence[] = {
 402         { "destinationAddress", ASN1_EXTENSION_ROOT, ASN1_NOT_OPTIONAL,
 403                 dissect_h4501_destinationAddress },
 404         { "remoteExtensionAddress", ASN1_EXTENSION_ROOT, ASN1_OPTIONAL,
 405                 dissect_h225_AliasAddress },
 406         { NULL, 0, 0, NULL }
 407 };
 408 static int
 409 dissect_h4501_EndpointAddress(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 410 {
 411    offset=dissect_per_sequence(tvb, offset, pinfo, tree, hf_h4501_EndpointAddress, ett_h4501_EndpointAddress, EndpointAddress_sequence);
 412    return offset;
 413 }
 414
 415
 416 static int
 417 dissect_h4501_argumentExtension(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 418 {
 419    offset=dissect_per_choice(tvb, offset, pinfo, tree, hf_h4501_argumentExtension, ett_h4501_argumentExtension, Extension_choice, "argumentExtension", NULL);
 420    return offset;
 421 }
 422
 423
 424 static per_sequence_t CTInitiateArg_sequence[] = {
 425         { "callIdentity", ASN1_EXTENSION_ROOT, ASN1_NOT_OPTIONAL,
 426                 dissect_h4502_CallIdentity },
 427         { "reroutingNumber", ASN1_EXTENSION_ROOT, ASN1_NOT_OPTIONAL,
 428                 dissect_h4501_EndpointAddress },
 429         { "argumentExtension", ASN1_EXTENSION_ROOT, ASN1_OPTIONAL,
 430                 dissect_h4501_argumentExtension },
 431         { NULL, 0, 0, NULL }
 432 };
 433 static int
 434 dissect_h4502_CTInitiateArg(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 435 {
 436    offset=dissect_per_sequence(tvb, offset, pinfo, tree, hf_h4502_CTInitiateArg, ett_h4502_CTInitiateArg, CTInitiateArg_sequence);
 437    return offset;
 438 }
 439
 440
 441 static per_sequence_t CTSetupArg_sequence[] = {
 442         { "callIdentity", ASN1_EXTENSION_ROOT, ASN1_NOT_OPTIONAL,
 443                 dissect_h4502_CallIdentity },
 444         { "transferringNumber", ASN1_EXTENSION_ROOT, ASN1_OPTIONAL,
 445                 dissect_h4501_EndpointAddress },
 446         { "argumentExtension", ASN1_EXTENSION_ROOT, ASN1_OPTIONAL,
 447                 dissect_h4501_argumentExtension },
 448         { NULL, 0, 0, NULL }
 449 };
 450 static int
 451 dissect_h4502_CTSetupArg(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 452 {
 453    offset=dissect_per_sequence(tvb, offset, pinfo, tree, hf_h4502_CTSetupArg, ett_h4502_CTSetupArg, CTSetupArg_sequence);
 454    return offset;
 455 }
 456
 457
 458 static int
 459 dissect_h4502_redirectionInfo(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 460 {
 461         offset=dissect_per_BMPString(tvb, offset, pinfo, tree, hf_h4502_redirectionInfo, 1, 128);
 462    return offset;
 463 }
 464
 465
 466 static int
 467 dissect_h4501_H225InformationElement(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 468 {
 469    offset=dissect_per_octet_string(tvb, offset, pinfo, tree, hf_h4501_H225InformationElement, -1, -1, NULL, NULL);
 470    return offset;
 471 }
 472
 473
 474 static per_sequence_t CTUpdateArg_sequence[] = {
 475         { "redirectionNumber", ASN1_EXTENSION_ROOT, ASN1_NOT_OPTIONAL,
 476                 dissect_h4501_EndpointAddress },
 477         { "redirectionInfo", ASN1_EXTENSION_ROOT, ASN1_OPTIONAL,
 478                 dissect_h4502_redirectionInfo },
 479         { "basicCallInfoElements", ASN1_EXTENSION_ROOT, ASN1_OPTIONAL,
 480                 dissect_h4501_H225InformationElement },
 481         { "argumentExtension", ASN1_EXTENSION_ROOT, ASN1_OPTIONAL,
 482                 dissect_h4501_argumentExtension },
 483         { NULL, 0, 0, NULL }
 484 };
 485 static int
 486 dissect_h4502_CTUpdateArg(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 487 {
 488    offset=dissect_per_sequence(tvb, offset, pinfo, tree, hf_h4502_CTUpdateArg, ett_h4502_CTUpdateArg, CTUpdateArg_sequence);
 489    return offset;
 490 }
 491
 492
 493 static int
 494 dissect_h4501_SubaddressInformation(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 495 {
 496         offset=dissect_per_octet_string(tvb, offset, pinfo, tree, hf_h4501_SubaddressInformation, 1, 20, NULL, NULL);
 497    return offset;
 498 }
 499
 500
 501 static const true_false_string tfs_oddCountIndicator_bit = {
 502         "oddCountIndicator bit is SET",
 503         "oddCountIndicator bit is CLEAR"
 504 };
 505 static int
 506 dissect_h4501_oddCountIndicator(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 507 {
 508         offset=dissect_per_boolean(tvb, offset, pinfo, tree, hf_h4501_oddCountIndicator, NULL, NULL);
 509    return offset;
 510 }
 511
 512
 513 static per_sequence_t UserSpecifiedSubaddress_sequence[] = {
 514         { "subaddressInformation", ASN1_EXTENSION_ROOT, ASN1_NOT_OPTIONAL,
 515                 dissect_h4501_SubaddressInformation },
 516         { "oddCountIndicator", ASN1_EXTENSION_ROOT, ASN1_OPTIONAL,
 517                 dissect_h4501_oddCountIndicator },
 518         { NULL, 0, 0, NULL }
 519 };
 520 static int
 521 dissect_h4501_UserSpecifiedSubaddress(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 522 {
 523    offset=dissect_per_sequence(tvb, offset, pinfo, tree, hf_h4501_UserSpecifiedSubaddress, ett_h4501_UserSpecifiedSubaddress, UserSpecifiedSubaddress_sequence);
 524    return offset;
 525 }
 526
 527
 528 static int
 529 dissect_h4501_NSAPSubaddress(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 530 {
 531         offset=dissect_per_octet_string(tvb, offset, pinfo, tree, hf_h4501_NSAPAddress, 1, 20, NULL, NULL);
 532    return offset;
 533 }
 534
 535
 536 static const value_string PartySubaddress_vals[] = {
 537         { 0, "userSpecifiedSubaddress" },
 538         { 1, "nsapSubaddress" },
 539         { 0, NULL}
 540 };
 541 static per_choice_t PartySubaddress_choice[] = {
 542         { 0, "userSpecifiedSubaddress", ASN1_EXTENSION_ROOT,
 543                 dissect_h4501_UserSpecifiedSubaddress },
 544         { 1, "nsapSubaddress", ASN1_EXTENSION_ROOT,
 545                 dissect_h4501_NSAPSubaddress },
 546         { 0, NULL, 0, NULL }
 547 };
 548 static int
 549 dissect_h4501_PartySubaddress(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 550 {
 551    offset=dissect_per_choice(tvb, offset, pinfo, tree, hf_h4501_PartySubaddress, ett_h4501_PartySubaddress, PartySubaddress_choice, "PartySubaddress", NULL);
 552    return offset;
 553 }
 554
 555
 556 static per_sequence_t SubaddressTransferArg_sequence[] = {
 557         { "redirectionSubaddress", ASN1_EXTENSION_ROOT, ASN1_NOT_OPTIONAL,
 558                 dissect_h4501_PartySubaddress },
 559         { "argumentExtension", ASN1_EXTENSION_ROOT, ASN1_OPTIONAL,
 560                 dissect_h4501_argumentExtension },
 561         { NULL, 0, 0, NULL }
 562 };
 563 static int
 564 dissect_h4502_SubaddressTransferArg(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 565 {
 566    offset=dissect_per_sequence(tvb, offset, pinfo, tree, hf_h4502_SubaddressTransferArg, ett_h4502_SubaddressTransferArg, SubaddressTransferArg_sequence);
 567    return offset;
 568 }
 569
 570
 571 static const value_string EndDesignation_vals[] = {
 572    {  0, "primaryEnd"},
 573    {  1, "secondaryEnd"},
 574    {  0, NULL }
 575 };
 576 static int
 577 dissect_h4502_EndDesignation(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 578 {
 579    offset=dissect_per_constrained_integer(tvb, offset, pinfo, tree, hf_h4502_EndDesignation, 0, 1, NULL, NULL, TRUE);
 580    return offset;
 581 }
 582
 583
 584 static const value_string CallStatus_vals[] = {
 585    {  0, "answered"},
 586    {  1, "alerting"},
 587    {  0, NULL }
 588 };
 589 static int
 590 dissect_h4502_CallStatus(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 591 {
 592    offset=dissect_per_constrained_integer(tvb, offset, pinfo, tree, hf_h4502_CallStatus, 0, 1, NULL, NULL, TRUE);
 593    return offset;
 594 }
 595
 596
 597 static per_sequence_t CTCompleteArg_sequence[] = {
 598         { "endDesignation", ASN1_EXTENSION_ROOT, ASN1_NOT_OPTIONAL,
 599                 dissect_h4502_EndDesignation },
 600         { "redirectionNumber", ASN1_EXTENSION_ROOT, ASN1_NOT_OPTIONAL,
 601                 dissect_h4501_EndpointAddress },
 602         { "basicCallInfoElements", ASN1_EXTENSION_ROOT, ASN1_OPTIONAL,
 603                 dissect_h4501_H225InformationElement },
 604         { "redirectionInfo", ASN1_EXTENSION_ROOT, ASN1_OPTIONAL,
 605                 dissect_h4502_redirectionInfo },
 606         { "callStatus", ASN1_EXTENSION_ROOT, ASN1_NOT_OPTIONAL,
 607                 dissect_h4502_CallStatus },
 608         { "argumentExtension", ASN1_EXTENSION_ROOT, ASN1_OPTIONAL,
 609                 dissect_h4501_argumentExtension },
 610         { NULL, 0, 0, NULL }
 611 };
 612 static int
 613 dissect_h4502_CTCompleteArg(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 614 {
 615    offset=dissect_per_sequence(tvb, offset, pinfo, tree, hf_h4502_CTCompleteArg, ett_h4502_CTCompleteArg, CTCompleteArg_sequence);
 616    return offset;
 617 }
 618
 619
 620 static int
 621 dissect_h4502_connectedInfo(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 622 {
 623         offset=dissect_per_BMPString(tvb, offset, pinfo, tree, hf_h4502_connectedInfo, 1, 128);
 624    return offset;
 625 }
 626
 627
 628 static per_sequence_t CTActiveArg_sequence[] = {
 629         { "connectedAddress", ASN1_EXTENSION_ROOT, ASN1_NOT_OPTIONAL,
 630                 dissect_h4501_EndpointAddress },
 631         { "basicCallInfoElements", ASN1_EXTENSION_ROOT, ASN1_OPTIONAL,
 632                 dissect_h4501_H225InformationElement },
 633         { "connectedInfo", ASN1_EXTENSION_ROOT, ASN1_OPTIONAL,
 634                 dissect_h4502_connectedInfo },
 635         { "argumentExtension", ASN1_EXTENSION_ROOT, ASN1_OPTIONAL,
 636                 dissect_h4501_argumentExtension },
 637         { NULL, 0, 0, NULL }
 638 };
 639 static int
 640 dissect_h4502_CTActiveArg(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 641 {
 642    offset=dissect_per_sequence(tvb, offset, pinfo, tree, hf_h4502_CTActiveArg, ett_h4502_CTActiveArg, CTActiveArg_sequence);
 643    return offset;
 644 }
 645
 646
 647 static int
 648 dissect_h4501_argument(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 649 {
 650    tvbuff_t *argument_tvb;
 651    guint32 argument_offset=0;
 652    guint32 argument_len=0;
 653
 654    offset=dissect_per_octet_string(tvb, offset, pinfo, tree, -1, -1, -1, &argument_offset, &argument_len);
 655
 656    if(argument_len){
 657       argument_tvb = tvb_new_subset(tvb, argument_offset, argument_len, argument_len);
 658
 659       switch (localOpcode) {
 660       case CallTransferIdentify:
 661       case CallTransferAbandon:
 662          offset = dissect_h4502_DummyArg(argument_tvb, 0, pinfo, tree);
 663          break;
 664
 665       case CallTransferInitiate:
 666          offset = dissect_h4502_CTInitiateArg(argument_tvb, 0, pinfo, tree);
 667          break;
 668
 669       case CallTransferSetup:
 670          offset = dissect_h4502_CTSetupArg(argument_tvb, 0, pinfo, tree);
 671          break;
 672
 673       case CallTransferUpdate:
 674          offset = dissect_h4502_CTUpdateArg(argument_tvb, 0, pinfo, tree);
 675          break;
 676
 677       case SubaddressTransfer:
 678          offset = dissect_h4502_SubaddressTransferArg(argument_tvb, 0, pinfo, tree);
 679          break;
 680
 681       case CallTransferComplete:
 682          offset = dissect_h4502_CTCompleteArg(argument_tvb, 0, pinfo, tree);
 683          break;
 684
 685       case CallTransferActive:
 686          offset = dissect_h4502_CTActiveArg(argument_tvb, 0, pinfo, tree);
 687          break;
 688
 689       /* TODO - decode other H.450.x invoke arguments here */
 690
 691       default:
 692 PER_NOT_DECODED_YET("Unrecognized H.450.x operation");
 693          break;
 694       }
 695    }
 696         return offset;
 697 }
 698
 699
 700 static per_sequence_t Invoke_sequence[] = {
 701         { "invokeID", ASN1_NO_EXTENSIONS, ASN1_NOT_OPTIONAL,
 702                 dissect_h4501_constrained_invokeId },
 703         { "linkedId", ASN1_NO_EXTENSIONS, ASN1_OPTIONAL,
 704                 dissect_h4501_invokeId },
 705         { "opcode", ASN1_NO_EXTENSIONS, ASN1_NOT_OPTIONAL,
 706                 dissect_h4501_opcode },
 707         { "argument", ASN1_NO_EXTENSIONS, ASN1_OPTIONAL,
 708                 dissect_h4501_argument },
 709         { NULL, 0, 0, NULL }
 710 };
 711 static int
 712 dissect_h4501_Invoke(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 713 {
 714    offset=dissect_per_sequence(tvb, offset, pinfo, tree, hf_h4501_Invoke, ett_h4501_Invoke, Invoke_sequence);
 715    return offset;
 716 }
 717
 718
 719 static int
 720 dissect_h4501_resultExtension(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 721 {
 722    offset=dissect_per_choice(tvb, offset, pinfo, tree, hf_h4501_resultExtension, ett_h4501_resultExtension, Extension_choice, "resultExtension", NULL);
 723    return offset;
 724 }
 725
 726
 727 static per_sequence_t CTIdentifyRes_sequence[] = {
 728         { "callIdentity", ASN1_EXTENSION_ROOT, ASN1_NOT_OPTIONAL,
 729                 dissect_h4502_CallIdentity },
 730         { "reroutingNumber", ASN1_EXTENSION_ROOT, ASN1_NOT_OPTIONAL,
 731                 dissect_h4501_EndpointAddress },
 732         { "resultExtension", ASN1_EXTENSION_ROOT, ASN1_OPTIONAL,
 733                 dissect_h4501_resultExtension },
 734         { NULL, 0, 0, NULL }
 735 };
 736 static int
 737 dissect_h4502_CTIdentifyRes(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 738 {
 739    offset=dissect_per_sequence(tvb, offset, pinfo, tree, hf_h4502_CTIdentifyRes, ett_h4502_CTIdentifyRes, CTIdentifyRes_sequence);
 740    return offset;
 741 }
 742
 743
 744 static int
 745 dissect_h4502_DummyRes(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 746 {
 747    offset=dissect_per_choice(tvb, offset, pinfo, tree, hf_h4502_DummyRes, ett_h4502_DummyRes, Extension_choice, "DummyRes", NULL);
 748    return offset;
 749 }
 750
 751
 752 static int
 753 dissect_h4501_ReturnResult_result(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 754 {
 755    tvbuff_t *result_tvb;
 756    guint32 result_offset=0;
 757    guint32 result_len=0;
 758
 759    offset=dissect_per_octet_string(tvb, offset, pinfo, tree, -1, -1, -1, &result_offset, &result_len);
 760
 761    if(result_len){
 762       result_tvb = tvb_new_subset(tvb, result_offset, result_len, result_len);
 763
 764       switch (localOpcode) {
 765       case CallTransferIdentify:
 766          offset = dissect_h4502_CTIdentifyRes(result_tvb, 0, pinfo, tree);
 767          break;
 768
 769       case CallTransferInitiate:
 770       case CallTransferSetup:
 771          offset = dissect_h4502_DummyRes(result_tvb, 0, pinfo, tree);
 772          break;
 773
 774       default:
 775 PER_NOT_DECODED_YET("Unrecognized H.450.x return result");
 776          break;
 777       }
 778    }
 779
 780    return offset;
 781 }
 782
 783
 784 static per_sequence_t result_sequence[] = {
 785         { "opcode", ASN1_EXTENSION_ROOT, ASN1_NOT_OPTIONAL,
 786                 dissect_h4501_opcode },
 787         { "result", ASN1_EXTENSION_ROOT, ASN1_NOT_OPTIONAL,
 788                 dissect_h4501_ReturnResult_result },
 789         { NULL, 0, 0, NULL }
 790 };
 791 static int
 792 dissect_h4501_result(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 793 {
 794    offset=dissect_per_sequence(tvb, offset, pinfo, tree, hf_h4501_result, ett_h4501_result, result_sequence);
 795    return offset;
 796 }
 797
 798
 799 static per_sequence_t ReturnResult_sequence[] = {
 800         { "invokeID", ASN1_NO_EXTENSIONS, ASN1_NOT_OPTIONAL,
 801                 dissect_h4501_invokeId },
 802         { "result", ASN1_NO_EXTENSIONS, ASN1_OPTIONAL,
 803                 dissect_h4501_result },
 804         { NULL, 0, 0, NULL }
 805 };
 806 static int
 807 dissect_h4501_ReturnResult(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 808 {
 809    offset=dissect_per_sequence(tvb, offset, pinfo, tree, hf_h4501_ReturnResult, ett_h4501_ReturnResult, ReturnResult_sequence);
 810    return offset;
 811 }
 812
 813
 814 static const value_string localErrorCode_vals[] = {
 815    /* H.450.1 general error list */
 816    {    0, "userNotSubscribed"},
 817    {    1, "RejectedByNetwork"},
 818    {    2, "RejectedByUser"},
 819    {    3, "NotAvailable"},
 820    {    5, "InsufficientInformation"},
 821    {    6, "InvalidServedUserNumber"},
 822    {    7, "InvalidCallState"},
 823    {    8, "BasicServiceNotProvided"},
 824    {    9, "NotIncomingCall"},
 825    {   10, "SupplementaryServiceInteractionNotAllowed"},
 826    {   11, "ResourceUnavailable"},
 827    {   25, "CallFailure"},
 828    {   43, "ProceduralError"},
 829
 830    /* H.450.2 Call Transfer return errors */
 831    { 1004, "invalidReroutingNumber"},
 832    { 1005, "unrecognizedCallIdentity"},
 833    { 1006, "establishmentFailure"},
 834    { 1008, "unspecified"},
 835
 836    /* H.450.4 Call Hold return errors */
 837    { 2002, "undefined"},
 838
 839    /* H.450.5 Call Park and Pickup return errors */
 840    { 2000, "callPickupIdInvalid"},
 841    { 2001, "callAlreadyPickedUp"},
 842
 843    /* TODO - add other H.450.x error codes here */
 844
 845    {  0, NULL }
 846 };
 847 static int
 848 dissect_h4501_localErrorCode(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 849 {
 850    offset=dissect_per_integer(tvb, offset, pinfo, tree, hf_h4501_localErrorCode, &localErrorCode, NULL);
 851         return offset;
 852 }
 853
 854
 855 static const value_string errorCode_vals[] = {
 856         { 0, "local" },
 857         { 1, "global" },
 858         { 0, NULL}
 859 };
 860 static per_choice_t errorCode_choice[] = {
 861         { 0, "local", ASN1_NO_EXTENSIONS,
 862                 dissect_h4501_localErrorCode },
 863         { 1, "global", ASN1_NO_EXTENSIONS,
 864                 dissect_h4501_globalCode },
 865         { 0, NULL, 0, NULL }
 866 };
 867 static int
 868 dissect_h4501_errorCode(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 869 {
 870    offset=dissect_per_choice(tvb, offset, pinfo, tree, hf_h4501_errorCode, ett_h4501_errorCode, errorCode_choice, "errorCode", NULL);
 871    return offset;
 872 }
 873
 874
 875 static int
 876 dissect_h4501_parameter(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 877 {
 878    /* TODO - decode return error parameter based on localErrorCode */
 879    offset=dissect_per_octet_string(tvb, offset, pinfo, tree, hf_h4501_parameter, -1, -1, NULL, NULL);
 880    return offset;
 881 }
 882
 883
 884 static per_sequence_t ReturnError_sequence[] = {
 885         { "invokeID", ASN1_NO_EXTENSIONS, ASN1_NOT_OPTIONAL,
 886                 dissect_h4501_invokeId },
 887         { "errorCode", ASN1_NO_EXTENSIONS, ASN1_NOT_OPTIONAL,
 888                 dissect_h4501_errorCode },
 889         { "parameter", ASN1_NO_EXTENSIONS, ASN1_OPTIONAL,
 890                 dissect_h4501_parameter },
 891         { NULL, 0, 0, NULL }
 892 };
 893 static int
 894 dissect_h4501_ReturnError(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 895 {
 896    offset=dissect_per_sequence(tvb, offset, pinfo, tree, hf_h4501_ReturnError, ett_h4501_ReturnError, ReturnError_sequence);
 897    return offset;
 898 }
 899
 900
 901 static const value_string GeneralProblem_vals[] = {
 902    {  0, "unrecognizedCompenent"},
 903    {  1, "mistypedCompenent"},
 904    {  2, "badlyStructuredCompenent"},
 905    {  0, NULL }
 906 };
 907 static int
 908 dissect_h4501_GeneralProblem(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 909 {
 910    offset=dissect_per_constrained_integer(tvb, offset, pinfo, tree, hf_h4501_GeneralProblem, 0, 2, NULL, NULL, FALSE);
 911    return offset;
 912 }
 913
 914
 915 static const value_string InvokeProblem_vals[] = {
 916    {  0, "duplicateInvocation"},
 917    {  1, "unrecognizedOperation"},
 918    {  2, "mistypedArgument"},
 919    {  3, "resourceLimitation"},
 920    {  4, "releaseInProgress"},
 921    {  5, "unrecognizedLinkedId"},
 922    {  6, "linkedResponseUnexpected"},
 923    {  7, "unexpectedLinkedOperation"},
 924    {  0, NULL }
 925 };
 926 static int
 927 dissect_h4501_InvokeProblem(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 928 {
 929    offset=dissect_per_constrained_integer(tvb, offset, pinfo, tree, hf_h4501_InvokeProblem, 0, 7, NULL, NULL, FALSE);
 930    return offset;
 931 }
 932
 933
 934 static const value_string ReturnResultProblem_vals[] = {
 935    {  0, "unrecognizedInvocation"},
 936    {  1, "resultResponseUnexpected"},
 937    {  2, "mistypedResult"},
 938    {  0, NULL }
 939 };
 940 static int
 941 dissect_h4501_ReturnResultProblem(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 942 {
 943    offset=dissect_per_constrained_integer(tvb, offset, pinfo, tree, hf_h4501_ReturnResultProblem, 0, 2, NULL, NULL, FALSE);
 944    return offset;
 945 }
 946
 947
 948 static const value_string ReturnErrorProblem_vals[] = {
 949    {  0, "unrecognizedInvocation"},
 950    {  1, "errorResponseUnexpected"},
 951    {  2, "unrecognizedError"},
 952    {  3, "unexpectedError"},
 953    {  4, "mistypedParameter"},
 954    {  0, NULL }
 955 };
 956 static int
 957 dissect_h4501_ReturnErrorProblem(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 958 {
 959    offset=dissect_per_constrained_integer(tvb, offset, pinfo, tree, hf_h4501_ReturnErrorProblem, 0, 4, NULL, NULL, FALSE);
 960    return offset;
 961 }
 962
 963
 964 static const value_string problem_vals[] = {
 965         { 0, "general" },
 966         { 1, "invoke" },
 967         { 2, "returnResult" },
 968         { 3, "returnError" },
 969         { 0, NULL}
 970 };
 971 static per_choice_t problem_choice[] = {
 972         { 0, "general", ASN1_NO_EXTENSIONS,
 973                 dissect_h4501_GeneralProblem },
 974         { 1, "invoke", ASN1_NO_EXTENSIONS,
 975                 dissect_h4501_InvokeProblem },
 976         { 2, "returnResult", ASN1_NO_EXTENSIONS,
 977                 dissect_h4501_ReturnResultProblem },
 978         { 3, "returnError", ASN1_NO_EXTENSIONS,
 979                 dissect_h4501_ReturnErrorProblem },
 980         { 0, NULL, 0, NULL }
 981 };
 982 static int
 983 dissect_h4501_problem(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 984 {
 985    offset=dissect_per_choice(tvb, offset, pinfo, tree, hf_h4501_problem, ett_h4501_problem, problem_choice, "problem", NULL);
 986    return offset;
 987 }
 988
 989
 990 static per_sequence_t Reject_sequence[] = {
 991         { "invokeID", ASN1_NO_EXTENSIONS, ASN1_NOT_OPTIONAL,
 992                 dissect_h4501_invokeId },
 993         { "problem", ASN1_NO_EXTENSIONS, ASN1_NOT_OPTIONAL,
 994                 dissect_h4501_problem },
 995         { NULL, 0, 0, NULL }
 996 };
 997 static int
 998 dissect_h4501_Reject(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
 999 {
1000    offset=dissect_per_sequence(tvb, offset, pinfo, tree, hf_h4501_Reject, ett_h4501_Reject, Reject_sequence);
1001    return offset;
1002 }
1003
1004
1005 static const value_string ROS_vals[] = {
1006         { 1, "invoke" },
1007         { 2, "returnResult" },
1008         { 3, "returnError" },
1009         { 4, "reject" },
1010         { 0, NULL}
1011 };
1012 static per_choice_t ROS_choice[] = {
1013         { 1, "invoke", ASN1_NO_EXTENSIONS,
1014                 dissect_h4501_Invoke },
1015         { 2, "returnResult", ASN1_NO_EXTENSIONS,
1016                 dissect_h4501_ReturnResult },
1017         { 3, "returnError", ASN1_NO_EXTENSIONS,
1018                 dissect_h4501_ReturnError },
1019         { 4, "reject", ASN1_NO_EXTENSIONS,
1020                 dissect_h4501_Reject },
1021         { 0, NULL, 0, NULL }
1022 };
1023 static int
1024 dissect_h4501_ROS(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
1025 {
1026    offset=dissect_per_choice(tvb, offset, pinfo, tree, hf_h4501_ROS, ett_h4501_ROS, ROS_choice, "ROS", NULL);
1027    return offset;
1028 }
1029
1030
1031 static int
1032 dissect_h4501_rosApdus(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
1033 {
1034         offset=dissect_per_sequence_of(tvb, offset, pinfo, tree, hf_h4501_rosApdus, ett_h4501_rosApdus, dissect_h4501_ROS);
1035         return offset;
1036 }
1037
1038
1039 static const value_string ServiceApdus_vals[] = {
1040         { 0, "rosApdus" },
1041         { 0, NULL}
1042 };
1043 static per_choice_t ServiceApdus_choice[] = {
1044         { 0, "rosApdus", ASN1_EXTENSION_ROOT,
1045                 dissect_h4501_rosApdus },
1046         { 0, NULL, 0, NULL }
1047 };
1048 static int
1049 dissect_h4501_ServiceApdus(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
1050 {
1051    offset=dissect_per_choice(tvb, offset, pinfo, tree, hf_h4501_ServiceApdus, ett_h4501_ServiceApdus, ServiceApdus_choice, "ServiceApdus", NULL);
1052    return offset;
1053 }
1054
1055
1056 static per_sequence_t H4501_SupplementaryService_sequence[] = {
1057         { "networkFacilityExtension", ASN1_EXTENSION_ROOT, ASN1_OPTIONAL,
1058                 dissect_h4501_NetworkFacilityExtension },
1059         { "interpretationApdu", ASN1_EXTENSION_ROOT, ASN1_OPTIONAL,
1060                 dissect_h4501_InterpretationApdu },
1061         { "serviceApdu", ASN1_EXTENSION_ROOT, ASN1_NOT_OPTIONAL,
1062                 dissect_h4501_ServiceApdus },
1063         { NULL, 0, 0, NULL }
1064 };
1065 static void
1066 dissect_h4501(tvbuff_t *tvb, packet_info *pinfo, proto_tree* tree)
1067 {
1068    proto_item *it;
1069    proto_tree *tr;
1070    guint32 offset=0;
1071
1072    it=proto_tree_add_protocol_format(tree, proto_h4501, tvb, 0, tvb_length(tvb), "H.450.1");
1073    tr=proto_item_add_subtree(it, ett_h4501);
1074
1075    offset=dissect_per_sequence(tvb, offset, pinfo, tr, hf_h4501, ett_h4501, H4501_SupplementaryService_sequence);
1076 }
1077
1078
1079 void
1080 proto_register_h4501(void)
1081 {
1082         static hf_register_info hf[] =
1083         {
1084    { &hf_h4501,
1085       { "SupplementaryService", "h4501.SupplementaryService", FT_NONE, BASE_NONE,
1086       NULL, 0, "SupplementaryService sequence", HFILL }},
1087    { &hf_h4501_EntityType,
1088       { "EntityType", "h4501.EntityType", FT_UINT32, BASE_DEC,
1089       VALS(EntityType_vals), 0, "EntityType choice", HFILL }},
1090    { &hf_h4501_NetworkFacilityExtension,
1091       { "NetworkFacilityExtension", "h4501.NetworkFacilityExtension", FT_NONE, BASE_NONE,
1092       NULL, 0, "NetworkFacilityExtension sequence", HFILL }},
1093    { &hf_h4501_InterpretationApdu,
1094       { "InterpretationApdu", "h4501.InterpretationApdu", FT_UINT32, BASE_DEC,
1095       VALS(InterpretationApdu_vals), 0, "InterpretationApdu choice", HFILL }},
1096    { &hf_h4501_constrained_invokeId,
1097       { "invokeId", "h4501.invokeId", FT_UINT32, BASE_DEC,
1098       NULL, 0, "invokeId", HFILL }},
1099    { &hf_h4501_invokeId,
1100       { "invokeId", "h4501.invokeId", FT_INT32, BASE_DEC,
1101       NULL, 0, "invokeId", HFILL }},
1102    { &hf_h4501_localOpcode,
1103       { "opcode", "h4501.opcode", FT_INT32, BASE_DEC,
1104       VALS(localOpcode_vals), 0, "local", HFILL }},
1105    { &hf_h4501_globalCode,
1106       { "global", "h4501.global", FT_STRING, BASE_HEX,
1107       NULL, 0, "global", HFILL }},
1108    { &hf_h4501_opcode,
1109       { "opcode", "h4501.opcode", FT_UINT32, BASE_DEC,
1110       VALS(opcode_vals), 0, "opcode choice", HFILL }},
1111    { &hf_h4502_CallIdentity,
1112       { "CallIdentity", "h4502.CallIdentity", FT_STRING, BASE_NONE,
1113       NULL, 0, "CallIdentity", HFILL }},
1114    { &hf_h4501_destinationAddress,
1115       { "destinationAddress", "h4501.destinationAddress", FT_NONE, BASE_NONE,
1116       NULL, 0, "destinationAddress sequence of", HFILL }},
1117    { &hf_h4501_EndpointAddress,
1118       { "EndpointAddress", "h4501.EndpointAddress", FT_NONE, BASE_NONE,
1119       NULL, 0, "EndpointAddress sequence of", HFILL }},
1120    { &hf_h4501_H225InformationElement,
1121       { "H225InformationElement", "h4501.H225InformationElement", FT_BYTES, BASE_HEX,
1122       NULL, 0, "H225InformationElement", HFILL }},
1123    { &hf_h4502_nonStandardData,
1124       { "nonStandardData", "h4502.nonStandardData", FT_NONE, BASE_NONE,
1125           NULL, 0, "NonStandardParameter SEQUENCE", HFILL }},
1126    { &hf_h4502_DummyArg,
1127       { "DummyArg", "h4502.DummyArg", FT_UINT32, BASE_DEC,
1128       VALS(Extension_vals), 0, "DummyArg choice", HFILL }},
1129    { &hf_h4502_CTInitiateArg,
1130       { "CTInitiateArg", "h4502.CTInitiateArg", FT_NONE, BASE_NONE,
1131       NULL, 0, "CTInitiateArg sequence of", HFILL }},
1132    { &hf_h4502_CTSetupArg,
1133       { "CTSetupArg", "h4502.CTSetupArg", FT_NONE, BASE_NONE,
1134       NULL, 0, "CTSetupArg sequence of", HFILL }},
1135         { &hf_h4502_redirectionInfo,
1136                 { "redirectionInfo", "h4502.redirectionInfo", FT_STRING, BASE_HEX,
1137                 NULL, 0, "redirectionInfo BMPString", HFILL }},
1138    { &hf_h4502_CTUpdateArg,
1139       { "CTUpdateArg", "h4502.CTUpdateArg", FT_NONE, BASE_NONE,
1140       NULL, 0, "CTUpdateArg sequence of", HFILL }},
1141    { &hf_h4501_SubaddressInformation,
1142                 { "SubaddressInformation", "h4501.SubaddressInformation", FT_BYTES, BASE_HEX,
1143                 NULL, 0, "SubaddressInformation octet string", HFILL }},
1144         { &hf_h4501_oddCountIndicator,
1145                 { "oddCountIndicator", "h4501.oddCountIndicator", FT_BOOLEAN, 8,
1146                 TFS(&tfs_oddCountIndicator_bit), 0x01, "The oddCountIndicator bit", HFILL }},
1147    { &hf_h4501_UserSpecifiedSubaddress,
1148       { "UserSpecifiedSubaddress", "h4501.UserSpecifiedSubaddress", FT_NONE, BASE_NONE,
1149       NULL, 0, "UserSpecifiedSubaddress sequence of", HFILL }},
1150    { &hf_h4501_NSAPAddress,
1151                 { "NSAPAddress", "h4501.NSAPAddress", FT_BYTES, BASE_HEX,
1152                 NULL, 0, "NSAPAddress octet string", HFILL }},
1153    { &hf_h4501_PartySubaddress,
1154       { "PartySubaddress", "h4501.PartySubaddress", FT_UINT32, BASE_DEC,
1155       VALS(PartySubaddress_vals), 0, "PartySubaddress choice", HFILL }},
1156    { &hf_h4502_SubaddressTransferArg,
1157       { "SubaddressTransferArg", "h4502.SubaddressTransferArg", FT_NONE, BASE_NONE,
1158       NULL, 0, "SubaddressTransferArg sequence of", HFILL }},
1159    { &hf_h4502_EndDesignation,
1160       { "EndDesignation", "h4502.EndDesignation", FT_UINT32, BASE_DEC,
1161       VALS(EndDesignation_vals), 0, "EndDesignation", HFILL }},
1162    { &hf_h4502_CallStatus,
1163       { "CallStatus", "h4502.CallStatus", FT_UINT32, BASE_DEC,
1164       VALS(CallStatus_vals), 0, "CallStatus", HFILL }},
1165    { &hf_h4502_CTCompleteArg,
1166       { "CTCompleteArg", "h4502.CTCompleteArg", FT_NONE, BASE_NONE,
1167       NULL, 0, "CTCompleteArg sequence of", HFILL }},
1168         { &hf_h4502_connectedInfo,
1169                 { "connectedInfo", "h4502.connectedInfo", FT_STRING, BASE_HEX,
1170                 NULL, 0, "connectedInfo BMPString", HFILL }},
1171    { &hf_h4502_CTActiveArg,
1172       { "CTActiveArg", "h4502.CTActiveArg", FT_NONE, BASE_NONE,
1173       NULL, 0, "CTActiveArg sequence of", HFILL }},
1174    { &hf_h4501_argumentExtension,
1175       { "argumentExtension", "h4501.argumentExtension", FT_UINT32, BASE_DEC,
1176       VALS(Extension_vals), 0, "argumentExtension choice", HFILL }},
1177    { &hf_h4501_argument,
1178       { "argument", "h4501.argument", FT_BYTES, BASE_HEX,
1179       NULL, 0, "argument", HFILL }},
1180    { &hf_h4501_Invoke,
1181       { "Invoke", "h4501.Invoke", FT_NONE, BASE_NONE,
1182       NULL, 0, "Invoke sequence of", HFILL }},
1183    { &hf_h4502_CTIdentifyRes,
1184       { "CTIdentifyRes", "h4502.CTIdentifyRes", FT_NONE, BASE_NONE,
1185       NULL, 0, "CTIdentifyRes sequence of", HFILL }},
1186    { &hf_h4502_DummyRes,
1187       { "DummyRes", "h4502.DummyRes", FT_UINT32, BASE_DEC,
1188       VALS(Extension_vals), 0, "DummyRes Choice", HFILL }},
1189    { &hf_h4501_resultExtension,
1190       { "resultExtension", "h4501.resultExtension", FT_UINT32, BASE_DEC,
1191       VALS(Extension_vals), 0, "resultExtension choice", HFILL }},
1192    { &hf_h4501_ReturnResult_result,
1193       { "result", "h4501.ReturnResult.result", FT_BYTES, BASE_HEX,
1194       NULL, 0, "result", HFILL }},
1195    { &hf_h4501_result,
1196       { "result", "h4501.result", FT_NONE, BASE_NONE,
1197       NULL, 0, "result sequence of", HFILL }},
1198    { &hf_h4501_ReturnResult,
1199       { "ReturnResult", "h4501.ReturnResult", FT_NONE, BASE_NONE,
1200       NULL, 0, "ReturnResult sequence of", HFILL }},
1201    { &hf_h4501_localErrorCode,
1202       { "errorCode", "h4501.errorCode", FT_INT32, BASE_DEC,
1203       VALS(localErrorCode_vals), 0, "local", HFILL }},
1204    { &hf_h4501_errorCode,
1205       { "errorCode", "h4501.errorCode", FT_UINT32, BASE_DEC,
1206       VALS(errorCode_vals), 0, "errorCode", HFILL }},
1207    { &hf_h4501_parameter,
1208       { "parameter", "h4501.parameter", FT_BYTES, BASE_HEX,
1209       NULL, 0, "parameter", HFILL }},
1210    { &hf_h4501_ReturnError,
1211       { "ReturnError", "h4501.ReturnError", FT_NONE, BASE_NONE,
1212       NULL, 0, "ReturnError sequence of", HFILL }},
1213    { &hf_h4501_GeneralProblem,
1214       { "GeneralProblem", "h4501.GeneralProblem", FT_UINT32, BASE_DEC,
1215       VALS(GeneralProblem_vals), 0, "GeneralProblem", HFILL }},
1216    { &hf_h4501_InvokeProblem,
1217       { "InvokeProblem", "h4501.InvokeProblem", FT_UINT32, BASE_DEC,
1218       VALS(InvokeProblem_vals), 0, "InvokeProblem", HFILL }},
1219    { &hf_h4501_ReturnResultProblem,
1220       { "ReturnResultProblem", "h4501.ReturnResultProblem", FT_UINT32, BASE_DEC,
1221       VALS(ReturnResultProblem_vals), 0, "ReturnResultProblem", HFILL }},
1222    { &hf_h4501_ReturnErrorProblem,
1223       { "ReturnErrorProblem", "h4501.ReturnErrorProblem", FT_UINT32, BASE_DEC,
1224       VALS(ReturnErrorProblem_vals), 0, "ReturnErrorProblem", HFILL }},
1225    { &hf_h4501_problem,
1226       { "problem", "h4501.problem", FT_UINT32, BASE_DEC,
1227       VALS(problem_vals), 0, "problem choice", HFILL }},
1228    { &hf_h4501_Reject,
1229       { "Reject", "h4501.Reject", FT_NONE, BASE_NONE,
1230       NULL, 0, "Reject sequence of", HFILL }},
1231    { &hf_h4501_ROS,
1232       { "ROS", "h4501.ROS", FT_UINT32, BASE_DEC,
1233       VALS(ROS_vals), 0, "ROS choice", HFILL }},
1234    { &hf_h4501_rosApdus,
1235       { "rosApdus", "h4501.rosApdus", FT_NONE, BASE_NONE,
1236       NULL, 0, "rosApdus sequence of", HFILL }},
1237    { &hf_h4501_ServiceApdus,
1238       { "ServiceApdus", "h4501.ServiceApdus", FT_UINT32, BASE_DEC,
1239       VALS(ServiceApdus_vals), 0, "ServiceApdus choice", HFILL }}
1240    };
1241
1242         static gint *ett[] =
1243         {
1244       &ett_h4501,
1245       &ett_h4501_EntityType,
1246       &ett_h4501_NetworkFacilityExtension,
1247       &ett_h4501_InterpretationApdu,
1248       &ett_h4501_opcode,
1249       &ett_h4501_destinationAddress,
1250       &ett_h4501_EndpointAddress,
1251       &ett_h4501_PartySubaddress,
1252       &ett_h4501_argumentExtension,
1253       &ett_h4501_Invoke,
1254       &ett_h4501_resultExtension,
1255       &ett_h4501_result,
1256       &ett_h4501_ReturnResult,
1257       &ett_h4501_errorCode,
1258       &ett_h4501_ReturnError,
1259       &ett_h4501_problem,
1260       &ett_h4501_Reject,
1261       &ett_h4501_ROS,
1262       &ett_h4501_rosApdus,
1263       &ett_h4501_ServiceApdus,
1264
1265       &ett_h4502_DummyArg,
1266       &ett_h4502_CTInitiateArg,
1267       &ett_h4502_CTSetupArg,
1268       &ett_h4502_CTUpdateArg,
1269       &ett_h4502_SubaddressTransferArg,
1270       &ett_h4502_CTCompleteArg,
1271       &ett_h4502_CTActiveArg,
1272       &ett_h4502_CTIdentifyRes,
1273       &ett_h4502_DummyRes
1274    };
1275
1276    proto_h4501 = proto_register_protocol("H4501", "H4501", "h4501");
1277    proto_register_field_array(proto_h4501, hf, array_length(hf));
1278    proto_register_subtree_array(ett, array_length(ett));
1279    register_dissector("h4501", dissect_h4501, proto_h4501);
1280 }
1281
1282 void
1283 proto_reg_handoff_h4501(void)
1284 {
1285    h4501_handle=create_dissector_handle(dissect_h4501, proto_h4501);
1286 }