epan/dissectors/packet-h248_q1950.c

   1 /*
   2  *  packet-h248_q1950.c
   3  *  Q.1950 annex A
   4  *
   5  *  (c) 2006, Anders Broman <anders.broman@ericsson.com>
   6  *
   7  * $Id$
   8  *
   9  * Wireshark - Network traffic analyzer
  10  * By Gerald Combs <gerald@wireshark.org>
  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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  26  *
  27  * Ref ITU-T Rec. Q.1950 (12/2002)
  28  */
  29
  30 #include "config.h"
  31
  32 #include "packet-h248.h"
  33 #include "packet-isup.h"
  34
  35 #define PNAME  "H.248 Q.1950 Annex A"
  36 #define PSNAME "H248Q1950"
  37 #define PFNAME "h248q1950"
  38
  39 static int proto_q1950 = -1;
  40 static gboolean implicit = FALSE;
  41
  42 /* A.3 Bearer characteristics package */
  43 static int hf_h248_pkg_BCP = -1;
  44 static int hf_h248_pkg_BCP_BNCChar = -1;
  45
  46 static gint ett_h248_pkg_BCP = -1;
  47
  48 static const value_string h248_pkg_BCP_parameters[] _U_ = {
  49         {   0x0001, "BNCChar (BNC Characteristics)" },
  50         {0,     NULL}
  51 };
  52
  53 static const value_string h248_pkg_BCP_props_vals[] = {
  54         {0, "Bearer Characteristics Q.1950 Annex A (bcp)" },
  55         {1, "BNC Characteristics (BNCChar)"},
  56         {0,NULL}
  57 };
  58
  59 /* Properties */
  60 h248_pkg_param_t h248_pkg_BCP_props[] = {
  61         { 0x0001, &hf_h248_pkg_BCP_BNCChar, h248_param_ber_integer, &implicit },
  62         { 0, NULL, NULL, NULL}
  63 };
  64
  65 /* Packet defenitions */
  66 static h248_package_t h248_pkg_BCP = {
  67         0x001e,
  68         &hf_h248_pkg_BCP,
  69         &ett_h248_pkg_BCP,
  70         h248_pkg_BCP_props_vals,
  71         NULL,
  72         NULL,
  73         NULL,
  74         h248_pkg_BCP_props,                     /* Properties */
  75         NULL,                                           /* signals */
  76         NULL,                                           /* events */
  77         NULL                                            /* statistics */
  78 };
  79
  80 /* A.4 Bearer Network connection cut-through package */
  81 static int hf_h248_pkg_BNCCT = -1;
  82
  83 static int hf_h248_pkg_BNCCT_prop = -1;
  84
  85 static gint ett_h248_pkg_BNCCT = -1;
  86
  87 static const value_string h248_pkg_BNCCT_parameters[] _U_ = {
  88         {   0x0001, "BNC Cut Through Capability" },
  89         { 0, NULL }
  90 };
  91
  92 static const value_string h248_pkg_BNCCT_props_vals[] = {
  93         {0,"Bearer Network Connection Cut Q.1950 Annex A" },
  94         {1,"BNCCT"},
  95         {0,NULL}
  96 };
  97
  98 static const value_string h248_pkg_BNCCT_prop_vals[]  = {
  99         {1,"Early"},
 100         {2,"Late"},
 101         {0,NULL}
 102 };
 103
 104 /* Properties */
 105 static const h248_pkg_param_t h248_pkg_BNCCT_props[] = {
 106         { 0x0001, &hf_h248_pkg_BNCCT_prop, h248_param_ber_integer, &implicit },
 107         { 0, NULL, NULL, NULL}
 108 };
 109
 110 /* Packet defenitions */
 111 static h248_package_t h248_pkg_BNCCT = {
 112         0x001f,
 113         &hf_h248_pkg_BNCCT,
 114         &ett_h248_pkg_BNCCT,
 115         h248_pkg_BNCCT_props_vals,
 116         NULL,
 117         NULL,
 118         NULL,
 119         h248_pkg_BNCCT_props,                   /* Properties */
 120         NULL,                                           /* signals */
 121         NULL,                                           /* events */
 122         NULL                                            /* statistics */
 123 };
 124
 125 /* A.5 Bearer Reuse Idle Package  */
 126 static int hf_h248_pkg_RI = -1;
 127
 128 static int hf_h248_pkg_RII= -1;
 129
 130 static gint ett_h248_pkg_RI= -1;
 131
 132 static const value_string h248_pkg_RI_parameters[] = {
 133         { 0x0000, "Reuse Idle Q.1950 Annex A" },
 134         { 0x0001, "Reuse Idle Indication" },
 135         { 0, NULL }
 136 };
 137
 138 static const value_string h248_pkg_RII_vals[]  = {
 139         {0,"Not_Reuse_Idle"},
 140         {1,"ReUse_Idle"},
 141         {0,NULL}
 142 };
 143
 144 /* Properties */
 145 h248_pkg_param_t h248_pkg_RI_props[] = {
 146         { 0x0001, &hf_h248_pkg_RII, h248_param_ber_integer, &implicit },
 147         { 0, NULL, NULL, NULL}
 148 };
 149
 150 /* Packet defenitions */
 151 static h248_package_t h248_pkg_RI = {
 152         0x0020,
 153         &hf_h248_pkg_RI,
 154         &ett_h248_pkg_RI,
 155         h248_pkg_RI_parameters,
 156         NULL,
 157         NULL,
 158         NULL,
 159         h248_pkg_RI_props,                      /* Properties */
 160         NULL,                                           /* signals */
 161         NULL,                                           /* events */
 162         NULL                                            /* statistics */
 163 };
 164
 165
 166 /* A.5 Bearer Reuse Idle Package  */
 167
 168 /* A.6 Generic bearer connection package
 169         Package Name: GB
 170         Package ID: 0x0021
 171  */
 172
 173 static int hf_h248_pkg_GB= -1;
 174 static int hf_h248_pkg_GB_BNCChange= -1;
 175 static int hf_h248_pkg_GB_BNCChange_type= -1;
 176 static int hf_h248_pkg_GB_EstBNC= -1;
 177 static int hf_h248_pkg_GB_ModBNC= -1;
 178 static int hf_h248_pkg_GB_RelBNC = -1;
 179 static int hf_h248_pkg_GB_RelBNC_Generalcause = -1;
 180 static int hf_h248_pkg_GB_RelBNC_Failurecause = -1;
 181 static int hf_h248_pkg_GB_RelBNC_Reset = -1;
 182
 183 static gint ett_h248_pkg_GB= -1;
 184 static gint ett_h248_pkg_GB_EstBNC= -1;
 185 static gint ett_h248_pkg_GB_ModBNC= -1;
 186 static gint ett_h248_pkg_GB_RelBNC= -1;
 187 static gint ett_h248_pkg_GB_BNCChange= -1;
 188
 189 static const value_string h248_pkg_GB_events_vals[] = {
 190         { 0x0001, "BNCChange" },
 191         { 0, NULL }
 192 };
 193
 194
 195 static const value_string h248_pkg_GB_BNCChange_type_vals[] = {
 196         {0x01, "Bearer Established"},
 197         {0x02,"Bearer Modified"},
 198         {0x03,"Bearer Cut through"},
 199         {0x04,"Bearer Modification Failure"},
 200         {0,NULL}
 201 };
 202
 203 static const value_string h248_pkg_GB_BNCChange_params_vals[] = {
 204         {0x01, "Type"},
 205         {0,NULL}
 206 };
 207
 208 static const h248_pkg_param_t h248_pkg_GB_BNCChange_pars[] = {
 209         { 0x0001, &hf_h248_pkg_GB_BNCChange_type, h248_param_ber_integer, &implicit },
 210         { 0, NULL, NULL, NULL}
 211 };
 212
 213 static const h248_pkg_evt_t h248_pkg_GB_events[] = {
 214         { 0x0001, &hf_h248_pkg_GB_BNCChange, &ett_h248_pkg_GB_BNCChange, h248_pkg_GB_BNCChange_pars, h248_pkg_GB_BNCChange_params_vals},
 215         { 0, NULL, NULL, NULL, NULL}
 216 };
 217
 218 static const value_string h248_pkg_GB_signals_vals[] = {
 219         {0x01, "Establish BNC"},
 220         {0x02,"Modify BNC"},
 221         {0,NULL}
 222 };
 223
 224 static const value_string h248_pkg_GB_RelBNC_vals[] = {
 225         {0x01, "Generalcause"},
 226         {0x02,"Failurecause"},
 227         {0x03,"Reset"},
 228         {0,NULL}
 229 };
 230
 231 static const value_string h248_pkg_GB_RelBNC_Generalcause_vals[] = {
 232         {0x01, "Normal Release"},
 233         {0x02,"Unavailable Resources"},
 234         {0x03,"Failure, Temporary"},
 235         {0x04,"Failure, Permanent"},
 236         {0x05,"Interworking Error"},
 237         {0x06,"Unsupported"},
 238         {0,NULL}
 239 };
 240
 241 static const h248_pkg_param_t h248_pkg_GB_RelBNC_pars[] = {
 242         { 0x0001, &hf_h248_pkg_GB_RelBNC_Generalcause, h248_param_ber_integer, &implicit },
 243         { 0x0002, &hf_h248_pkg_GB_RelBNC_Failurecause, h248_param_ber_octetstring, &implicit },
 244         { 0x0003, &hf_h248_pkg_GB_RelBNC_Reset, h248_param_ber_boolean, &implicit },
 245         { 0, NULL, NULL, NULL}
 246 };
 247
 248
 249 static const h248_pkg_sig_t h248_pkg_GB_signals[] = {
 250         { 0x0001,&hf_h248_pkg_GB_EstBNC,&ett_h248_pkg_GB_EstBNC, NULL, NULL},
 251         { 0x0002,&hf_h248_pkg_GB_ModBNC,&ett_h248_pkg_GB_ModBNC, NULL, NULL},
 252         { 0x0003,&hf_h248_pkg_GB_RelBNC,&ett_h248_pkg_GB_RelBNC, h248_pkg_GB_RelBNC_pars, h248_pkg_GB_RelBNC_vals},
 253         { 0, NULL, NULL, NULL, NULL}
 254 };
 255
 256 static const value_string h248_pkg_GB_props_vals[] = {
 257         { 0x0000, "Generic Bearer Connection Q.1950 Annex A (gb)" },
 258         { 0, NULL }
 259 };
 260
 261 static h248_package_t h248_pkg_GB = {
 262         0x0021,
 263         &hf_h248_pkg_GB,
 264         &ett_h248_pkg_GB,
 265         h248_pkg_GB_props_vals,
 266         h248_pkg_GB_signals_vals,
 267         h248_pkg_GB_events_vals,
 268         NULL,
 269         NULL,                                           /* Properties */
 270         h248_pkg_GB_signals,                    /* signals */
 271         h248_pkg_GB_events,                     /* events */
 272         NULL                                            /* statistics */
 273 };
 274
 275
 276 /* A.7 Bearer control tunnelling package */
 277 static dissector_handle_t bctp_dissector = NULL;
 278
 279 static int hf_h248_pkg_bt = -1;
 280 static int hf_h248_pkg_bt_tind = -1;
 281 static int hf_h248_pkg_bt_tunopt = -1;
 282 static int hf_h248_pkg_bt_bit = -1;
 283
 284 static gint ett_h248_pkg_bt = -1;
 285 static gint ett_h248_pkg_bt_tind = -1;
 286 static gint ett_h248_pkg_bt_bit= -1;
 287
 288 static void dissect_bt_tunneled_proto(proto_tree* tree, tvbuff_t* tvb, packet_info* pinfo, int hfid, h248_curr_info_t* i _U_, void* d _U_) {
 289         tvbuff_t* bctp_tvb = NULL;
 290         gint8 class;
 291         gboolean pc;
 292         gint32 tag;
 293         asn1_ctx_t asn1_ctx;
 294
 295         asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
 296
 297         get_ber_identifier(tvb, 0, &class, &pc, &tag);
 298
 299         /* XXX: is this enough to guess it? */
 300         if (tag==BER_UNI_TAG_OCTETSTRING) {
 301                 dissect_ber_octet_string(FALSE, &asn1_ctx, tree, tvb, 0, hfid, &bctp_tvb);
 302
 303                 if (bctp_tvb) {
 304                         call_dissector(bctp_dissector,bctp_tvb,pinfo,tree);
 305                 }
 306         } else {
 307                 proto_tree_add_item(tree,hfid,tvb,0,-1,ENC_NA);
 308         }
 309
 310 }
 311
 312
 313 /* Properties */
 314 static const value_string h248_pkg_bt_props_vals[] = {
 315         { 0, "Bearer Control Tunnelling Q.1950 Annex A" },
 316         { 1, "Tunnelling Options"},
 317         { 0, NULL}
 318 };
 319
 320 static const  value_string h248_pkg_bt_tunopt_vals[]  = {
 321         { 1, "1 (In the same message as the command response to the command which generated the bearer control tunnel)"},
 322         { 2, "2 (Tunnel message at any time)"},
 323         { 3, "NO"},
 324         { 0, NULL}
 325 };
 326
 327 static const h248_pkg_param_t h248_pkg_bt_props[] = {
 328         { 0x0001, &hf_h248_pkg_bt_tunopt, h248_param_ber_integer, &implicit },
 329         { 0, NULL, NULL, NULL}
 330 };
 331
 332 /* Events */
 333 static const value_string h248_pkg_bt_evt_vals[] = {
 334         {1,"Tunnel indication"},
 335         {0,NULL}
 336 };
 337
 338 static const value_string h248_pkg_bt_tind_vals[] = {
 339         {1,"Tunnel Indication"},
 340         {0,NULL}
 341 };
 342
 343 static const h248_pkg_param_t h248_pkg_bt_bit_params[] = {
 344         { 0x0001, &hf_h248_pkg_bt_bit, dissect_bt_tunneled_proto, &implicit },
 345         { 0, NULL, NULL, NULL}
 346 };
 347
 348 static const value_string h248_pkg_bt_sigs_vals[] = {
 349         {1,"Bearer Information Tunnel"},
 350         {0,NULL}
 351 };
 352
 353 static const h248_pkg_evt_t h248_pkg_bt_events[] = {
 354         { 0x0001, &hf_h248_pkg_bt_tind, &ett_h248_pkg_bt_tind, h248_pkg_bt_bit_params, h248_pkg_bt_tind_vals},
 355         { 0, NULL, NULL, NULL, NULL}
 356 };
 357
 358 static const h248_pkg_sig_t h248_pkg_bt_signals[] = {
 359         { 0x0001,&hf_h248_pkg_bt_bit,&ett_h248_pkg_bt_bit, h248_pkg_bt_bit_params, h248_pkg_bt_tind_vals},
 360         { 0, NULL, NULL, NULL, NULL}
 361 };
 362
 363 /* Packet defenitions */
 364 static h248_package_t h248_pkg_bct = {
 365         0x0022,
 366         &hf_h248_pkg_bt,
 367         &ett_h248_pkg_bt,
 368         h248_pkg_bt_props_vals,
 369         h248_pkg_bt_sigs_vals,
 370         h248_pkg_bt_evt_vals,
 371         NULL,
 372         h248_pkg_bt_props,                      /* Properties */
 373         h248_pkg_bt_signals,            /* signals */
 374         h248_pkg_bt_events,                     /* events */
 375         NULL                                            /* statistics */
 376 };
 377
 378 /* A.8 Basic call progress tones generator with directionality */
 379 static int hf_h248_pkg_bcg = -1;
 380 static int hf_h248_pkg_bcg_sig_bdt_par_btd = -1;
 381 static int hf_h248_pkg_bcg_sig_bdt = -1;
 382 static int hf_h248_pkg_bcg_sig_brt = -1;
 383 static int hf_h248_pkg_bcg_sig_bbt = -1;
 384 static int hf_h248_pkg_bcg_sig_bct = -1;
 385 static int hf_h248_pkg_bcg_sig_bsit = -1;
 386 static int hf_h248_pkg_bcg_sig_bwt = -1;
 387 static int hf_h248_pkg_bcg_sig_bpt = -1;
 388 static int hf_h248_pkg_bcg_sig_bcw = -1;
 389 static int hf_h248_pkg_bcg_sig_bcr = -1;
 390 static int hf_h248_pkg_bcg_sig_bpy = -1;
 391
 392 static gint ett_h248_pkg_bcg = -1;
 393 static gint ett_h248_pkg_bcg_sig_bdt = -1;
 394
 395 static const value_string h248_pkg_bcg_sig_bdt_par_btd_vals[] = {
 396         {   0x0001, "ext (External)" },
 397         {   0x0002, "int (Internal)" },
 398         {   0x0003, "both (Both)" },
 399         {0,     NULL},
 400 };
 401
 402 static h248_pkg_param_t  h248_pkg_h248_pkg_bcg_sig_bdt_params[] = {
 403         { 0x0001, &hf_h248_pkg_bcg_sig_bdt_par_btd, h248_param_ber_integer, &implicit },
 404         { 0, NULL, NULL, NULL}
 405 };
 406
 407 static const value_string h248_pkg_bcg_signals_vals[] = {
 408         { 0x0041, "Dial Tone (bdt)" },
 409         { 0x0042, "Ringing Tone (brt)" },
 410         { 0x0043, "Busy Tone (bbt)" },
 411         { 0x0044, "Congestion Tone (bct)" },
 412         { 0x0045, "Warning Tone (bwt)" },
 413         { 0x0046, "Payphone Recognition Tone (bpt)" },
 414         { 0x0047, "Call Waiting Tone (bcw)" },
 415         { 0x0048, "Caller Waiting Tone (bcr)" },
 416         { 0x0049, "Pay Tone (bpy)" },
 417         { 0, NULL }
 418 };
 419
 420 static h248_pkg_sig_t h248_pkg_bcg_signals[] = {
 421         /* All the tones have the same parameters */
 422         { 0x0040, &hf_h248_pkg_bcg_sig_bdt, &ett_h248_pkg_bcg_sig_bdt, h248_pkg_h248_pkg_bcg_sig_bdt_params, NULL },
 423         { 0x0041, &hf_h248_pkg_bcg_sig_brt, &ett_h248_pkg_bcg_sig_bdt, h248_pkg_h248_pkg_bcg_sig_bdt_params, NULL },
 424         { 0x0042, &hf_h248_pkg_bcg_sig_bbt, &ett_h248_pkg_bcg_sig_bdt, h248_pkg_h248_pkg_bcg_sig_bdt_params, NULL },
 425         { 0x0043, &hf_h248_pkg_bcg_sig_bct, &ett_h248_pkg_bcg_sig_bdt, h248_pkg_h248_pkg_bcg_sig_bdt_params, NULL },
 426         { 0x0044, &hf_h248_pkg_bcg_sig_bsit, &ett_h248_pkg_bcg_sig_bdt, h248_pkg_h248_pkg_bcg_sig_bdt_params, NULL },
 427         { 0x0045, &hf_h248_pkg_bcg_sig_bwt, &ett_h248_pkg_bcg_sig_bdt, h248_pkg_h248_pkg_bcg_sig_bdt_params, NULL},
 428         { 0x0046, &hf_h248_pkg_bcg_sig_bpt, &ett_h248_pkg_bcg_sig_bdt, h248_pkg_h248_pkg_bcg_sig_bdt_params, NULL },
 429         { 0x0047, &hf_h248_pkg_bcg_sig_bcw, &ett_h248_pkg_bcg_sig_bdt, h248_pkg_h248_pkg_bcg_sig_bdt_params, NULL },
 430         { 0x0048, &hf_h248_pkg_bcg_sig_bcr, &ett_h248_pkg_bcg_sig_bdt, h248_pkg_h248_pkg_bcg_sig_bdt_params, NULL },
 431         { 0x0049, &hf_h248_pkg_bcg_sig_bpy, &ett_h248_pkg_bcg_sig_bdt, h248_pkg_h248_pkg_bcg_sig_bdt_params, NULL },
 432         { 0, NULL, NULL, NULL,NULL}
 433 };
 434
 435 static const value_string h248_pkg_bcg_props_vals[] = {
 436         { 0, "Basic Call Progress Tones Q.1950 Annex A" },
 437         { 0, NULL }
 438 };
 439
 440 /* Packet defenitions */
 441 static h248_package_t h248_pkg_bcg = {
 442         0x0023,
 443         &hf_h248_pkg_bcg,
 444         &ett_h248_pkg_bcg,
 445         h248_pkg_bcg_props_vals,
 446         h248_pkg_bcg_signals_vals,
 447         NULL,
 448         NULL,
 449         NULL,                                           /* Properties */
 450         h248_pkg_bcg_signals,                   /* signals */
 451         NULL,                                           /* events */
 452         NULL                                            /* statistics */
 453 };
 454
 455
 456 void proto_reg_handoff_q1950(void) {
 457         bctp_dissector = find_dissector("bctp");
 458
 459 }
 460
 461 /* Register dissector */
 462 void proto_register_q1950(void) {
 463         static hf_register_info hf[] = {
 464                 /* A.3 Bearer characteristics package */
 465                 { &hf_h248_pkg_BCP,
 466                         { "BCP (Bearer characteristics package)", "h248.pkg.BCP",
 467                         FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }
 468                 },
 469                 { &hf_h248_pkg_BCP_BNCChar,
 470                         { "BNCChar (BNC Characteristics)", "h248.pkg.bcp.bncchar",
 471                         FT_UINT32, BASE_HEX|BASE_EXT_STRING, &bearer_network_connection_characteristics_vals_ext, 0, "BNC Characteristics", HFILL }
 472                 },
 473
 474                 /* A.4 Bearer Network connection cut-through package */
 475                 { &hf_h248_pkg_BNCCT,
 476                         { "BNCCT (Bearer network connection cut-through package)", "h248.pkg.BNCCT",
 477                         FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }
 478                 },
 479                 { &hf_h248_pkg_BNCCT_prop,
 480                         { "Bearer network connection cut-through capability", "h248.pkg.bcp.bncct",
 481                         FT_UINT32, BASE_HEX, VALS(h248_pkg_BNCCT_prop_vals), 0, "This property allows the MGC to ask the MG when the cut through of a bearer will occur, early or late.", HFILL }
 482                 },
 483
 484                 { &hf_h248_pkg_GB,
 485                         { "GB (Generic bearer connection)", "h248.pkg.GB",
 486                         FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }
 487                 },
 488                 { &hf_h248_pkg_GB_BNCChange,
 489                         { "BNCChange", "h248.pkg.GB.BNCChang",
 490                         FT_BYTES, BASE_NONE, NULL, 0, "This event occurs whenever a change to a Bearer Network connection occurs", HFILL }
 491                 },
 492                 { &hf_h248_pkg_GB_BNCChange_type,
 493                         { "Type", "h248.pkg.GB.BNCChang.Type",
 494                         FT_UINT32, BASE_HEX, VALS(h248_pkg_GB_BNCChange_type_vals), 0, NULL, HFILL }
 495                 },
 496                 { &hf_h248_pkg_GB_EstBNC,
 497                         { "Type", "h248.pkg.GB.BNCChang.EstBNC",
 498                         FT_BYTES, BASE_NONE, NULL, 0, "This signal triggers the bearer control function to send bearer establishment signalling", HFILL }
 499                 },
 500                 { &hf_h248_pkg_GB_ModBNC,
 501                         { "Type", "h248.pkg.GB.BNCChang.Type",
 502                         FT_BYTES, BASE_NONE, NULL, 0, "This signal triggers the bearer control function to send bearer modification", HFILL }
 503                 },
 504                 { &hf_h248_pkg_GB_RelBNC,
 505                         { "RelBNC", "h248.pkg.GB.BNCChang.RelBNC",
 506                         FT_BYTES, BASE_NONE, NULL, 0, "This signal triggers the bearer control function to send bearer release", HFILL }
 507                 },
 508                 { &hf_h248_pkg_GB_RelBNC_Generalcause,
 509                         { "Generalcause", "h248.pkg.GB.BNCChang.RelBNC.Generalcause",
 510                         FT_UINT32, BASE_HEX, VALS(h248_pkg_GB_RelBNC_Generalcause_vals), 0, "This indicates the general reason for the Release", HFILL }
 511                 },
 512                 { &hf_h248_pkg_GB_RelBNC_Failurecause,
 513                         { "Failurecause", "h248.pkg.GB.BNCChang.RelBNC.Failurecause",
 514                         FT_BYTES, BASE_NONE, NULL, 0, "The Release Cause is the value generated by the Released equipment", HFILL }
 515                 },
 516                 { &hf_h248_pkg_GB_RelBNC_Reset,
 517                         { "RelBNC", "h248.pkg.GB.BNCChang.RelBNC",
 518                         FT_BOOLEAN, BASE_NONE, NULL, 0x0, "This signal triggers the bearer control function to send bearer release", HFILL }
 519                 },
 520
 521                 /* A.5 Bearer Network connection cut-through package */
 522                 { &hf_h248_pkg_RI,
 523                         { "RI (Reuse idle package)", "h248.pkg.RI",
 524                         FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }
 525                 },
 526                 { &hf_h248_pkg_RII,
 527                         { "Reuse Idle Indication", "h248.pkg.bcp.rii",
 528                         FT_UINT32, BASE_HEX, VALS(h248_pkg_RII_vals), 0, "This property indicates that the provided bearer network connection relates to an Idle Bearer.", HFILL }
 529                 },
 530
 531                 /* A.7 Bearer control tunnelling package */
 532                 { &hf_h248_pkg_bt,
 533                         { "BT (Bearer control Tunneling)", "h248.pkg.BT",
 534                         FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }
 535                 },
 536                 { &hf_h248_pkg_bt_tunopt,
 537                         { "Tunnelling Options", "h248.pkg.BT.TunOpt",
 538                                 FT_UINT32, BASE_DEC, VALS(h248_pkg_bt_tunopt_vals), 0, NULL, HFILL }
 539                 },
 540                 { &hf_h248_pkg_bt_tind,
 541                         { "tind (Tunnel INDication)", "h248.pkg.BT.TIND",
 542                                 FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }
 543                 },
 544                 { &hf_h248_pkg_bt_bit,
 545                         { "Bearer Information Transport", "h248.pkg.BT.BIT",
 546                                 FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }
 547                 },
 548
 549
 550                 /* A.8 Basic call progress tones generator with directionality */
 551                 { &hf_h248_pkg_bcg,
 552                         { "bcg (Basic call progress tones generator with directionality)", "h248.pkg.bcg",
 553                         FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }
 554                 },
 555                 { &hf_h248_pkg_bcg_sig_bdt_par_btd,
 556                         { "btd (Tone Direction)", "h248.pkg.bcp.btd",
 557                         FT_UINT32, BASE_HEX, VALS(h248_pkg_bcg_sig_bdt_par_btd_vals), 0, NULL, HFILL }
 558                 },
 559                 { &hf_h248_pkg_bcg_sig_bdt,
 560                         { "bdt (Dial Tone)", "h248.pkg.bcg.bdt",
 561                         FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }
 562                 },
 563                 { &hf_h248_pkg_bcg_sig_brt,
 564                         { "brt (Ringing tone)", "h248.pkg.bcg.brt",
 565                         FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }
 566                 },
 567                 { &hf_h248_pkg_bcg_sig_bbt,
 568                         { "bbt (Busy tone)", "h248.pkg.bcg.bbt",
 569                         FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }
 570                 },
 571                 { &hf_h248_pkg_bcg_sig_bct,
 572                         { "bct (Congestion tone)", "h248.pkg.bcg.bct",
 573                         FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }
 574                 },
 575                 { &hf_h248_pkg_bcg_sig_bsit,
 576                         { "bsit (Special information tone)", "h248.pkg.bcg.bsit",
 577                         FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }
 578                 },
 579                 { &hf_h248_pkg_bcg_sig_bwt,
 580                         { "bwt (Warning tone)", "h248.pkg.bcg.bwt",
 581                         FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }
 582                 },
 583                 { &hf_h248_pkg_bcg_sig_bpt,
 584                         { "bpt (Payphone recognition tone)", "h248.pkg.bcg.bpt",
 585                         FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }
 586                 },
 587                 { &hf_h248_pkg_bcg_sig_bcw,
 588                         { "bcw (Call waiting tone)", "h248.pkg.bcg.bcw",
 589                         FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }
 590                 },
 591                 { &hf_h248_pkg_bcg_sig_bcr,
 592                         { "bcr (Call ringing tone)", "h248.pkg.bcg.bcr",
 593                         FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }
 594                 },
 595                 { &hf_h248_pkg_bcg_sig_bpy,
 596                         { "bpy (Pay tone)", "h248.pkg.bcg.bpy",
 597                         FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }
 598                 },
 599         };
 600
 601         static gint *ett[] = {
 602                 &ett_h248_pkg_BCP,
 603                 &ett_h248_pkg_bt,
 604                 &ett_h248_pkg_bt_tind,
 605                 &ett_h248_pkg_bt_bit,
 606                 &ett_h248_pkg_bcg,
 607                 &ett_h248_pkg_bcg_sig_bdt,
 608                 &ett_h248_pkg_BNCCT,
 609                 &ett_h248_pkg_RI,
 610                 &ett_h248_pkg_GB,
 611                 &ett_h248_pkg_GB_EstBNC,
 612                 &ett_h248_pkg_GB_ModBNC,
 613                 &ett_h248_pkg_GB_RelBNC,
 614                 &ett_h248_pkg_GB_BNCChange
 615         };
 616
 617         proto_q1950 = proto_register_protocol(PNAME, PSNAME, PFNAME);
 618
 619         proto_register_field_array(proto_q1950, hf, array_length(hf));
 620
 621         proto_register_subtree_array(ett, array_length(ett));
 622
 623         /* Register the packages */
 624         h248_register_package(&h248_pkg_BCP,REPLACE_PKG);
 625         h248_register_package(&h248_pkg_BNCCT,REPLACE_PKG);
 626         h248_register_package(&h248_pkg_RI,REPLACE_PKG);
 627         h248_register_package(&h248_pkg_GB,REPLACE_PKG);
 628         h248_register_package(&h248_pkg_bcg,REPLACE_PKG);
 629         h248_register_package(&h248_pkg_bct,REPLACE_PKG);
 630
 631 }