1MULTIMEDIA-SYSTEM-CONTROL DEFINITIONS AUTOMATIC TAGS ::= 2BEGIN 3 4-- Export all symbols 5 6-- ======================================================================= 7-- Top level Messages 8-- ======================================================================= 9 10MultimediaSystemControlMessage ::=CHOICE 11{ 12 request RequestMessage, 13 response ResponseMessage, 14 command CommandMessage, 15 indication IndicationMessage, 16 ... 17} 18 19-- A RequestMessage results in action and requires an immediate response 20 21RequestMessage ::=CHOICE 22{ 23 nonStandard NonStandardMessage, 24 25 masterSlaveDetermination MasterSlaveDetermination, 26 27 terminalCapabilitySet TerminalCapabilitySet, 28 29 openLogicalChannel OpenLogicalChannel, 30 closeLogicalChannel CloseLogicalChannel, 31 32 requestChannelClose RequestChannelClose, 33 34 multiplexEntrySend MultiplexEntrySend, 35 36 requestMultiplexEntry RequestMultiplexEntry, 37 38 requestMode RequestMode, 39 40 roundTripDelayRequest RoundTripDelayRequest, 41 42 maintenanceLoopRequest MaintenanceLoopRequest, 43 44 ..., 45 communicationModeRequest CommunicationModeRequest, 46 conferenceRequest ConferenceRequest, 47 48 multilinkRequest MultilinkRequest, 49 logicalChannelRateRequest LogicalChannelRateRequest, 50 genericRequest GenericMessage 51} 52 53-- A ResponseMessage is the response to a RequestMessage 54 55ResponseMessage ::=CHOICE 56{ 57 nonStandard NonStandardMessage, 58 59 masterSlaveDeterminationAck MasterSlaveDeterminationAck, 60 masterSlaveDeterminationReject MasterSlaveDeterminationReject, 61 62 terminalCapabilitySetAck TerminalCapabilitySetAck, 63 terminalCapabilitySetReject TerminalCapabilitySetReject, 64 65 openLogicalChannelAck OpenLogicalChannelAck, 66 openLogicalChannelReject OpenLogicalChannelReject, 67 closeLogicalChannelAck CloseLogicalChannelAck, 68 69 requestChannelCloseAck RequestChannelCloseAck, 70 requestChannelCloseReject RequestChannelCloseReject, 71 72 multiplexEntrySendAck MultiplexEntrySendAck, 73 multiplexEntrySendReject MultiplexEntrySendReject, 74 75 requestMultiplexEntryAck RequestMultiplexEntryAck, 76 requestMultiplexEntryReject RequestMultiplexEntryReject, 77 78 requestModeAck RequestModeAck, 79 requestModeReject RequestModeReject, 80 81 roundTripDelayResponse RoundTripDelayResponse, 82 83 maintenanceLoopAck MaintenanceLoopAck, 84 maintenanceLoopReject MaintenanceLoopReject, 85 86 ..., 87 communicationModeResponse CommunicationModeResponse, 88 89 conferenceResponse ConferenceResponse, 90 91 multilinkResponse MultilinkResponse, 92 93 logicalChannelRateAcknowledge LogicalChannelRateAcknowledge, 94 logicalChannelRateReject LogicalChannelRateReject, 95 genericResponse GenericMessage 96 97 98} 99 100-- A CommandMessage requires action, but no explicit response 101 102CommandMessage ::=CHOICE 103{ 104 nonStandard NonStandardMessage, 105 106 maintenanceLoopOffCommand MaintenanceLoopOffCommand, 107 108 sendTerminalCapabilitySet SendTerminalCapabilitySet, 109 110 encryptionCommand EncryptionCommand, 111 112 flowControlCommand FlowControlCommand, 113 114 endSessionCommand EndSessionCommand, 115 116 miscellaneousCommand MiscellaneousCommand, 117 118 ..., 119 communicationModeCommand CommunicationModeCommand, 120 121 conferenceCommand ConferenceCommand, 122 123 h223MultiplexReconfiguration H223MultiplexReconfiguration, 124 125 newATMVCCommand NewATMVCCommand, 126 127 mobileMultilinkReconfigurationCommand MobileMultilinkReconfigurationCommand, 128 genericCommand GenericMessage 129 130} 131 132-- An IndicationMessage is information that does not require action or response 133 134IndicationMessage ::=CHOICE 135{ 136 nonStandard NonStandardMessage, 137 138 functionNotUnderstood FunctionNotUnderstood, 139 140 masterSlaveDeterminationRelease MasterSlaveDeterminationRelease, 141 142 terminalCapabilitySetRelease TerminalCapabilitySetRelease, 143 144 openLogicalChannelConfirm OpenLogicalChannelConfirm, 145 146 requestChannelCloseRelease RequestChannelCloseRelease, 147 148 multiplexEntrySendRelease MultiplexEntrySendRelease, 149 150 requestMultiplexEntryRelease RequestMultiplexEntryRelease, 151 152 requestModeRelease RequestModeRelease, 153 154 miscellaneousIndication MiscellaneousIndication, 155 156 jitterIndication JitterIndication, 157 158 h223SkewIndication H223SkewIndication, 159 160 newATMVCIndication NewATMVCIndication, 161 162 userInput UserInputIndication, 163 ..., 164 h2250MaximumSkewIndication H2250MaximumSkewIndication, 165 166 mcLocationIndication MCLocationIndication, 167 168 conferenceIndication ConferenceIndication, 169 170 vendorIdentification VendorIdentification, 171 172 functionNotSupported FunctionNotSupported, 173 174 multilinkIndication MultilinkIndication, 175 176 logicalChannelRateRelease LogicalChannelRateRelease, 177 178 flowControlIndication FlowControlIndication, 179 180 mobileMultilinkReconfigurationIndication MobileMultilinkReconfigurationIndication, 181 genericIndication GenericMessage 182 183} 184 185-- SequenceNumber is defined here as it is used in a number of Messages 186 187SequenceNumber ::=INTEGER (0..255) 188 189-- ============================================================================= 190-- Generic Message definitions 191-- ============================================================================= 192 193GenericMessage ::=SEQUENCE 194{ 195 messageIdentifier CapabilityIdentifier, 196 subMessageIdentifier INTEGER(0..127) OPTIONAL, 197 198 messageContent SEQUENCE OF GenericParameter OPTIONAL, 199 ... 200} 201 202GenericInformation ::=GenericMessage 203 204-- ============================================================================= 205-- Non-standard Message definitions 206-- ============================================================================= 207 208NonStandardMessage ::=SEQUENCE 209{ 210 nonStandardData NonStandardParameter, 211 ... 212} 213 214NonStandardParameter ::=SEQUENCE 215{ 216 nonStandardIdentifier NonStandardIdentifier, 217 data OCTET STRING 218} 219 220NonStandardIdentifier ::=CHOICE 221{ 222 object OBJECT IDENTIFIER, 223 h221NonStandard SEQUENCE 224 { 225 t35CountryCode INTEGER (0..255), -- country, per 226 -- Annex A/T.35 227 t35Extension INTEGER (0..255), 228 -- assigned nationally unless 229 -- t35CountryCode is binary 230 -- 1111 1111, in which case it shall 231 -- contain the country code 232 -- according to Annex B/T.35 233 manufacturerCode INTEGER (0..65535) -- assigned nationally 234 } 235} 236 237-- ============================================================================= 238-- Master-slave determination definitions 239-- ============================================================================= 240 241MasterSlaveDetermination ::=SEQUENCE 242{ 243 terminalType INTEGER (0..255), 244 statusDeterminationNumber INTEGER (0..16777215), 245 ... 246} 247 248MasterSlaveDeterminationAck ::=SEQUENCE 249{ 250 decision CHOICE 251 { 252 master NULL, 253 slave NULL 254 }, 255 ... 256} 257 258MasterSlaveDeterminationReject ::=SEQUENCE 259{ 260 cause CHOICE 261 { 262 identicalNumbers NULL, 263 ... 264 }, 265 ... 266} 267 268MasterSlaveDeterminationRelease ::=SEQUENCE 269{ 270 ... 271} 272 273-- ============================================================================= 274-- Capability exchange definitions 275-- ============================================================================= 276 277TerminalCapabilitySet ::=SEQUENCE 278{ 279 sequenceNumber SequenceNumber, 280 281 protocolIdentifier OBJECT IDENTIFIER, 282 -- shall be set to the value 283 -- {itu-t (0) recommendation (0) h (8) 245 284 -- version (0) 15} 285 286 287 multiplexCapability MultiplexCapability OPTIONAL, 288 289 capabilityTable SET SIZE (1..256) OF CapabilityTableEntry OPTIONAL, 290 291 capabilityDescriptors SET SIZE (1..256) OF CapabilityDescriptor OPTIONAL, 292 293 ..., 294 genericInformation SEQUENCE OF GenericInformation OPTIONAL 295 -- generic information associated 296 -- with the message 297} 298 299CapabilityTableEntry ::=SEQUENCE 300{ 301 capabilityTableEntryNumber CapabilityTableEntryNumber, 302 capability Capability OPTIONAL 303} 304 305CapabilityDescriptor ::=SEQUENCE 306{ 307 capabilityDescriptorNumber CapabilityDescriptorNumber, 308 simultaneousCapabilities SET SIZE (1..256) OF AlternativeCapabilitySet OPTIONAL 309} 310 311AlternativeCapabilitySet ::=SEQUENCE SIZE (1..256) OF CapabilityTableEntryNumber 312 313CapabilityTableEntryNumber ::=INTEGER (1..65535) 314 315CapabilityDescriptorNumber ::=INTEGER (0..255) 316 317TerminalCapabilitySetAck ::=SEQUENCE 318{ 319 sequenceNumber SequenceNumber, 320 ..., 321 genericInformation SEQUENCE OF GenericInformation OPTIONAL 322 -- generic information associated 323 -- with the message 324} 325 326TerminalCapabilitySetReject ::=SEQUENCE 327{ 328 sequenceNumber SequenceNumber, 329 cause CHOICE 330 { 331 unspecified NULL, 332 undefinedTableEntryUsed NULL, 333 descriptorCapacityExceeded NULL, 334 tableEntryCapacityExceeded CHOICE 335 { 336 highestEntryNumberProcessed CapabilityTableEntryNumber, 337 noneProcessed NULL 338 }, 339 ... 340 }, 341 ..., 342 genericInformation SEQUENCE OF GenericInformation OPTIONAL 343 -- generic information associated 344 -- with the message 345} 346 347TerminalCapabilitySetRelease ::=SEQUENCE 348{ 349 ..., 350 genericInformation SEQUENCE OF GenericInformation OPTIONAL 351 -- generic information associated 352 -- with the message 353} 354 355-- ============================================================================= 356-- Capability exchange definitions: top level capability description 357-- ============================================================================= 358 359Capability ::=CHOICE 360{ 361 nonStandard NonStandardParameter, 362 363 receiveVideoCapability VideoCapability, 364 transmitVideoCapability VideoCapability, 365 receiveAndTransmitVideoCapability VideoCapability, 366 367 receiveAudioCapability AudioCapability, 368 transmitAudioCapability AudioCapability, 369 receiveAndTransmitAudioCapability AudioCapability, 370 371 receiveDataApplicationCapability DataApplicationCapability, 372 transmitDataApplicationCapability DataApplicationCapability, 373 receiveAndTransmitDataApplicationCapability DataApplicationCapability, 374 375 h233EncryptionTransmitCapability BOOLEAN, 376 h233EncryptionReceiveCapability SEQUENCE 377 { 378 h233IVResponseTime INTEGER (0..255), -- units milliseconds 379 ... 380 }, 381 ..., 382 conferenceCapability ConferenceCapability, 383 h235SecurityCapability H235SecurityCapability, 384 maxPendingReplacementFor INTEGER (0..255), 385 receiveUserInputCapability UserInputCapability, 386 transmitUserInputCapability UserInputCapability, 387 receiveAndTransmitUserInputCapability UserInputCapability, 388 389 genericControlCapability GenericCapability, 390 receiveMultiplexedStreamCapability MultiplexedStreamCapability, 391 transmitMultiplexedStreamCapability MultiplexedStreamCapability, 392 receiveAndTransmitMultiplexedStreamCapability MultiplexedStreamCapability, 393 receiveRTPAudioTelephonyEventCapability AudioTelephonyEventCapability, 394 receiveRTPAudioToneCapability AudioToneCapability, 395 depFecCapability DepFECCapability, -- Deprecated, do not use 396 multiplePayloadStreamCapability MultiplePayloadStreamCapability, 397 fecCapability FECCapability, 398 redundancyEncodingCap RedundancyEncodingCapability, 399 oneOfCapabilities AlternativeCapabilitySet 400} 401 402H235SecurityCapability ::=SEQUENCE 403{ 404 encryptionAuthenticationAndIntegrity EncryptionAuthenticationAndIntegrity, 405 406 mediaCapability CapabilityTableEntryNumber, 407 -- NOTE � The mediaCapability shall refer to Capability Table Entries 408 -- that do contain, directly or indirectly, one or more transmit, 409 -- receive, or receiveAndTransmit AudioCapability, VideoCapability, 410 -- DataApplicationCapability, or similar capabilities indicated by a 411 -- NonStandardParameter or GenericCapability only 412 413 ... 414} 415 416-- ============================================================================= 417-- Capability exchange definitions: Multiplex capabilities 418-- ============================================================================= 419 420MultiplexCapability ::=CHOICE 421{ 422 nonStandard NonStandardParameter, 423 h222Capability H222Capability, 424 h223Capability H223Capability, 425 v76Capability V76Capability, 426 ..., 427 h2250Capability H2250Capability, 428 429 genericMultiplexCapability GenericCapability 430 431} 432 433H222Capability ::= SEQUENCE 434{ 435 numberOfVCs INTEGER (1..256), 436 vcCapability SET OF VCCapability, 437 ... 438} 439 440VCCapability ::=SEQUENCE 441{ 442 aal1 SEQUENCE 443 { 444 nullClockRecovery BOOLEAN, 445 srtsClockRecovery BOOLEAN, 446 adaptiveClockRecovery BOOLEAN, 447 nullErrorCorrection BOOLEAN, 448 longInterleaver BOOLEAN, 449 shortInterleaver BOOLEAN, 450 errorCorrectionOnly BOOLEAN, 451 structuredDataTransfer BOOLEAN, 452 partiallyFilledCells BOOLEAN, 453 ... 454 } OPTIONAL, 455 aal5 SEQUENCE 456 { 457 forwardMaximumSDUSize INTEGER (0..65535), -- units octets 458 backwardMaximumSDUSize INTEGER (0..65535), -- units octets 459 ... 460 } OPTIONAL, 461 transportStream BOOLEAN, 462 programStream BOOLEAN, 463 availableBitRates SEQUENCE 464 { 465 type CHOICE 466 { 467 singleBitRate INTEGER (1..65535), -- units 64 kbit/s 468 rangeOfBitRates SEQUENCE 469 { 470 lowerBitRate INTEGER (1..65535), -- units 64 kbit/s 471 higherBitRate INTEGER (1..65535) -- units 64 kbit/s 472 } 473 }, 474 ... 475 }, 476 ..., 477 aal1ViaGateway SEQUENCE 478 { 479 gatewayAddress SET SIZE(1..256) OF Q2931Address, 480 nullClockRecovery BOOLEAN, 481 srtsClockRecovery BOOLEAN, 482 adaptiveClockRecovery BOOLEAN, 483 nullErrorCorrection BOOLEAN, 484 longInterleaver BOOLEAN, 485 shortInterleaver BOOLEAN, 486 errorCorrectionOnly BOOLEAN, 487 structuredDataTransfer BOOLEAN, 488 partiallyFilledCells BOOLEAN, 489 ... 490 } OPTIONAL 491} 492 493H223Capability ::=SEQUENCE 494{ 495 transportWithI-frames BOOLEAN, -- I-frame transport 496 -- of H.245 497 498 videoWithAL1 BOOLEAN, 499 videoWithAL2 BOOLEAN, 500 videoWithAL3 BOOLEAN, 501 audioWithAL1 BOOLEAN, 502 audioWithAL2 BOOLEAN, 503 audioWithAL3 BOOLEAN, 504 dataWithAL1 BOOLEAN, 505 dataWithAL2 BOOLEAN, 506 dataWithAL3 BOOLEAN, 507 508 maximumAl2SDUSize INTEGER (0..65535), -- units octets 509 maximumAl3SDUSize INTEGER (0..65535), -- units octets 510 511 maximumDelayJitter INTEGER (0..1023), -- units milliseconds 512 513 h223MultiplexTableCapability CHOICE 514 { 515 basic NULL, 516 enhanced SEQUENCE 517 { 518 maximumNestingDepth INTEGER (1..15), 519 maximumElementListSize INTEGER (2..255), 520 maximumSubElementListSize INTEGER (2..255), 521 ... 522 } 523 }, 524 ..., 525 maxMUXPDUSizeCapability BOOLEAN, 526 nsrpSupport BOOLEAN, 527 mobileOperationTransmitCapability SEQUENCE 528 { 529 modeChangeCapability BOOLEAN, 530 h223AnnexA BOOLEAN, 531 h223AnnexADoubleFlag BOOLEAN, 532 h223AnnexB BOOLEAN, 533 h223AnnexBwithHeader BOOLEAN, 534 ... 535 } OPTIONAL, 536 h223AnnexCCapability H223AnnexCCapability OPTIONAL, 537 538 bitRate INTEGER (1..19200) OPTIONAL, -- units of 539 -- 100 bit/s 540 mobileMultilinkFrameCapability SEQUENCE 541 { 542 maximumSampleSize INTEGER (1..255), -- units octets 543 maximumPayloadLength INTEGER (1..65025), -- units octets 544 ... 545 } OPTIONAL 546 547} 548 549H223AnnexCCapability ::= SEQUENCE 550{ 551 videoWithAL1M BOOLEAN, 552 videoWithAL2M BOOLEAN, 553 videoWithAL3M BOOLEAN, 554 audioWithAL1M BOOLEAN, 555 audioWithAL2M BOOLEAN, 556 audioWithAL3M BOOLEAN, 557 dataWithAL1M BOOLEAN, 558 dataWithAL2M BOOLEAN, 559 dataWithAL3M BOOLEAN, 560 alpduInterleaving BOOLEAN, 561 562 maximumAL1MPDUSize INTEGER (0..65535), -- units octets 563 maximumAL2MSDUSize INTEGER (0..65535), -- units octets 564 maximumAL3MSDUSize INTEGER (0..65535), -- units octets 565 ..., 566 rsCodeCapability BOOLEAN OPTIONAL 567} 568 569V76Capability ::=SEQUENCE 570{ 571 suspendResumeCapabilitywAddress BOOLEAN, 572 suspendResumeCapabilitywoAddress BOOLEAN, 573 rejCapability BOOLEAN, 574 sREJCapability BOOLEAN, 575 mREJCapability BOOLEAN, 576 crc8bitCapability BOOLEAN, 577 crc16bitCapability BOOLEAN, 578 crc32bitCapability BOOLEAN, 579 uihCapability BOOLEAN, 580 numOfDLCS INTEGER (2..8191), 581 twoOctetAddressFieldCapability BOOLEAN, 582 loopBackTestCapability BOOLEAN, 583 n401Capability INTEGER (1..4095), 584 maxWindowSizeCapability INTEGER (1..127), 585 v75Capability V75Capability, 586 ... 587} 588 589V75Capability ::=SEQUENCE 590{ 591 audioHeader BOOLEAN, 592 ... 593} 594 595H2250Capability ::=SEQUENCE 596{ 597 maximumAudioDelayJitter INTEGER(0..1023), -- units in 598 -- milliseconds 599 receiveMultipointCapability MultipointCapability, 600 transmitMultipointCapability MultipointCapability, 601 receiveAndTransmitMultipointCapability MultipointCapability, 602 mcCapability SEQUENCE 603 { 604 centralizedConferenceMC BOOLEAN, 605 decentralizedConferenceMC BOOLEAN, 606 ... 607 }, 608 rtcpVideoControlCapability BOOLEAN, -- FIR and NACK 609 mediaPacketizationCapability MediaPacketizationCapability, 610 ..., 611 transportCapability TransportCapability OPTIONAL, 612 redundancyEncodingCapability SEQUENCE SIZE(1..256) OF RedundancyEncodingCapability OPTIONAL, 613 logicalChannelSwitchingCapability BOOLEAN, 614 t120DynamicPortCapability BOOLEAN 615 616} 617 618MediaPacketizationCapability ::=SEQUENCE 619{ 620 h261aVideoPacketization BOOLEAN, 621 ..., 622 rtpPayloadType SEQUENCE SIZE(1..256) OF RTPPayloadType OPTIONAL 623} 624 625RSVPParameters ::=SEQUENCE 626{ 627 qosMode QOSMode OPTIONAL, 628 tokenRate INTEGER (1..4294967295) OPTIONAL, 629 -- rate in bytes/s 630 bucketSize INTEGER (1..4294967295) OPTIONAL, 631 -- size in bytes 632 peakRate INTEGER (1..4294967295) OPTIONAL, 633 -- peak bandwidth bytes/s 634 minPoliced INTEGER (1..4294967295) OPTIONAL, 635 -- 636 maxPktSize INTEGER (1..4294967295) OPTIONAL, 637 -- size in bytes 638 ... 639} 640 641QOSMode ::=CHOICE 642{ 643 guaranteedQOS NULL, 644 controlledLoad NULL, 645 ... 646} 647 648ATMParameters ::=SEQUENCE 649{ 650 maxNTUSize INTEGER(0..65535), -- units in octets 651 atmUBR BOOLEAN, -- unspecified bit rate 652 atmrtVBR BOOLEAN, -- real time variable 653 -- bit rate 654 atmnrtVBR BOOLEAN, -- non real time 655 -- variable bit rate 656 atmABR BOOLEAN, -- available bit rate 657 atmCBR BOOLEAN, -- constant bit rate 658 ... 659} 660 661ServicePriorityValue ::=SEQUENCE 662{ 663 nonStandardParameter NonStandardParameter OPTIONAL, 664 ... , 665 value INTEGER(0..255) 666} 667 668ServicePriority ::=SEQUENCE 669{ 670 nonStandardData NonStandardParameter OPTIONAL, 671 servicePrioritySignalled BOOLEAN, 672 servicePriorityValue ServicePriorityValue OPTIONAL, 673 ... , 674 serviceClass INTEGER(0..4095) OPTIONAL, 675 serviceSubclass INTEGER(0..255) OPTIONAL 676} 677 678AuthorizationParameters ::=SEQUENCE 679{ 680 nonStandardData NonStandardParameter OPTIONAL, 681 ... 682} 683 684QOSType ::=CHOICE 685{ 686 desired NULL, 687 required NULL, 688 ... 689} 690 691QOSClass ::=CHOICE 692{ 693 class0 NULL, 694 class1 NULL, 695 class2 NULL, 696 class3 NULL, 697 class4 NULL, 698 class5 NULL, 699 ... 700} 701 702QOSDescriptor ::=SEQUENCE 703{ 704 nonStandardData NonStandardParameter OPTIONAL, 705 qosType QOSType, 706 qosClass QOSClass, 707 ... 708} 709 710GenericTransportParameters ::=SEQUENCE 711{ 712 nonStandardData NonStandardParameter OPTIONAL, 713 averageRate INTEGER (1..4294967295) OPTIONAL, 714 -- average bandwidth bytes/s 715 burst INTEGER (1..4294967295) OPTIONAL, 716 -- size in bytes 717 peakRate INTEGER (1..4294967295) OPTIONAL, 718 -- peak bandwidth bytes/s 719 maxPktSize INTEGER (1..4294967295) OPTIONAL, 720 -- size in bytes 721 ... 722} 723QOSCapability ::=SEQUENCE 724{ 725 nonStandardData NonStandardParameter OPTIONAL, 726 rsvpParameters RSVPParameters OPTIONAL, 727 atmParameters ATMParameters OPTIONAL, 728 ..., 729 localQoS BOOLEAN OPTIONAL, 730 genericTransportParameters GenericTransportParameters OPTIONAL, 731 servicePriority ServicePriority OPTIONAL, 732 authorizationParameter AuthorizationParameters OPTIONAL, 733 qosDescriptor QOSDescriptor OPTIONAL, 734 dscpValue INTEGER (0..63) OPTIONAL 735} 736 737MediaTransportType ::=CHOICE 738{ 739 ip-UDP NULL, 740 ip-TCP NULL, 741 atm-AAL5-UNIDIR NULL, -- virtual circuits used as unidirectional 742 atm-AAL5-BIDIR NULL, -- virtual circuits used as bidirectional 743 ..., 744 atm-AAL5-compressed SEQUENCE 745 { 746 variable-delta BOOLEAN, 747 ... 748 } 749 750} 751 752MediaChannelCapability ::=SEQUENCE 753{ 754 mediaTransport MediaTransportType OPTIONAL, 755 ... 756} 757 758TransportCapability ::=SEQUENCE 759{ 760 nonStandard NonStandardParameter OPTIONAL, 761 qOSCapabilities SEQUENCE SIZE(1..256) OF QOSCapability OPTIONAL, 762 mediaChannelCapabilities SEQUENCE SIZE(1..256) OF MediaChannelCapability OPTIONAL, 763 ... 764} 765 766RedundancyEncodingCapability ::=SEQUENCE 767{ 768 redundancyEncodingMethod RedundancyEncodingMethod, 769 primaryEncoding CapabilityTableEntryNumber, 770 secondaryEncoding SEQUENCE SIZE(1..256) OF CapabilityTableEntryNumber OPTIONAL, 771 -- must be Audio, Video, or Data capabilities, not derived 772 -- capabilities; redundancy order is inferred from number of 773 -- secondary encodings 774 ... 775} 776 777RedundancyEncodingMethod ::=CHOICE 778{ 779 nonStandard NonStandardParameter, 780 rtpAudioRedundancyEncoding NULL, 781 ..., 782 rtpH263VideoRedundancyEncoding RTPH263VideoRedundancyEncoding 783} 784 785RTPH263VideoRedundancyEncoding ::= SEQUENCE 786{ 787 numberOfThreads INTEGER (1..16), 788 framesBetweenSyncPoints INTEGER (1..256), 789 frameToThreadMapping CHOICE 790 { 791 roundrobin NULL, 792 custom SEQUENCE SIZE(1..256) OF 793 RTPH263VideoRedundancyFrameMapping, 794 -- empty SEQUENCE for capability negotiation 795 -- meaningful contents only OpenLogicalChannel 796 ... 797 }, 798 containedThreads SEQUENCE SIZE(1..256) OF INTEGER (0..15) OPTIONAL, 799 -- only used for opening of logical channels 800 ... 801} 802 803RTPH263VideoRedundancyFrameMapping ::= SEQUENCE 804{ 805 threadNumber INTEGER (0..15), 806 frameSequence SEQUENCE SIZE(1..256) OF INTEGER (0..255), 807 ... 808} 809 810MultipointCapability ::=SEQUENCE 811{ 812 multicastCapability BOOLEAN, 813 multiUniCastConference BOOLEAN, 814 mediaDistributionCapability SEQUENCE OF MediaDistributionCapability, 815 ... 816} 817 818MediaDistributionCapability ::=SEQUENCE 819{ 820 centralizedControl BOOLEAN, 821 distributedControl BOOLEAN, -- for further study in 822 -- ITU-T Rec. H.323 823 centralizedAudio BOOLEAN, 824 distributedAudio BOOLEAN, 825 centralizedVideo BOOLEAN, 826 distributedVideo BOOLEAN, 827 centralizedData SEQUENCE OF DataApplicationCapability OPTIONAL, 828 distributedData SEQUENCE OF DataApplicationCapability OPTIONAL, 829 -- for further study in 830 -- ITU-T Rec. H.323 831 ... 832} 833 834 835 836-- ============================================================================= 837-- Capability exchange definitions: Video capabilities 838-- ============================================================================= 839 840VideoCapability ::=CHOICE 841{ 842 nonStandard NonStandardParameter, 843 h261VideoCapability H261VideoCapability, 844 h262VideoCapability H262VideoCapability, 845 h263VideoCapability H263VideoCapability, 846 is11172VideoCapability IS11172VideoCapability, 847 ..., 848 genericVideoCapability GenericCapability, 849 extendedVideoCapability ExtendedVideoCapability 850 851} 852 853ExtendedVideoCapability ::= SEQUENCE 854{ 855 videoCapability SEQUENCE OF VideoCapability, 856 videoCapabilityExtension SEQUENCE OF GenericCapability OPTIONAL, 857 ... 858} 859 860H261VideoCapability ::=SEQUENCE 861{ 862 qcifMPI INTEGER (1..4) OPTIONAL, -- units 1/29.97 Hz 863 cifMPI INTEGER (1..4) OPTIONAL, -- units 1/29.97 Hz 864 temporalSpatialTradeOffCapability BOOLEAN, 865 maxBitRate INTEGER (1..19200), -- units of 866 -- 100 bit/s 867 stillImageTransmission BOOLEAN, -- Annex D/H.261 868 ..., 869 videoBadMBsCap BOOLEAN 870} 871 872H262VideoCapability ::=SEQUENCE 873{ 874 profileAndLevel-SPatML BOOLEAN, 875 profileAndLevel-MPatLL BOOLEAN, 876 profileAndLevel-MPatML BOOLEAN, 877 profileAndLevel-MPatH-14 BOOLEAN, 878 profileAndLevel-MPatHL BOOLEAN, 879 profileAndLevel-SNRatLL BOOLEAN, 880 profileAndLevel-SNRatML BOOLEAN, 881 profileAndLevel-SpatialatH-14 BOOLEAN, 882 profileAndLevel-HPatML BOOLEAN, 883 profileAndLevel-HPatH-14 BOOLEAN, 884 profileAndLevel-HPatHL BOOLEAN, 885 videoBitRate INTEGER (0.. 1073741823) OPTIONAL, -- units 400 bit/s 886 vbvBufferSize INTEGER (0.. 262143) OPTIONAL, -- units 16 384 bits 887 samplesPerLine INTEGER (0..16383) OPTIONAL, -- units samples/line 888 linesPerFrame INTEGER (0..16383) OPTIONAL, -- units lines/frame 889 framesPerSecond INTEGER (0..15) OPTIONAL, -- frame_rate_code 890 luminanceSampleRate INTEGER (0..4294967295) OPTIONAL, -- units samples/s 891 ..., 892 videoBadMBsCap BOOLEAN 893} 894 895H263VideoCapability ::=SEQUENCE 896{ 897 sqcifMPI INTEGER (1..32) OPTIONAL, -- units 1/29.97 Hz 898 qcifMPI INTEGER (1..32) OPTIONAL, -- units 1/29.97 Hz 899 cifMPI INTEGER (1..32) OPTIONAL, -- units 1/29.97 Hz 900 cif4MPI INTEGER (1..32) OPTIONAL, -- units 1/29.97 Hz 901 cif16MPI INTEGER (1..32) OPTIONAL, -- units 1/29.97 Hz 902 maxBitRate INTEGER (1..192400), -- units 100 bit/s 903 unrestrictedVector BOOLEAN, 904 arithmeticCoding BOOLEAN, 905 advancedPrediction BOOLEAN, 906 pbFrames BOOLEAN, 907 temporalSpatialTradeOffCapability BOOLEAN, 908 hrd-B INTEGER (0..524287) OPTIONAL, -- units 128 bits 909 bppMaxKb INTEGER (0..65535) OPTIONAL, -- units 1024 bits 910 ..., 911 912 slowSqcifMPI INTEGER (1..3600) OPTIONAL, -- units seconds/frame 913 slowQcifMPI INTEGER (1..3600) OPTIONAL, -- units seconds/frame 914 slowCifMPI INTEGER (1..3600) OPTIONAL, -- units seconds/frame 915 slowCif4MPI INTEGER (1..3600) OPTIONAL, -- units seconds/frame 916 slowCif16MPI INTEGER (1..3600) OPTIONAL, -- units seconds/frame 917 errorCompensation BOOLEAN, 918 919 enhancementLayerInfo EnhancementLayerInfo OPTIONAL, 920 h263Options H263Options OPTIONAL 921 922} 923 924EnhancementLayerInfo ::=SEQUENCE 925{ 926 baseBitRateConstrained BOOLEAN, 927 snrEnhancement SET SIZE(1..14) OF EnhancementOptions OPTIONAL, 928 spatialEnhancement SET SIZE(1..14) OF EnhancementOptions OPTIONAL, 929 bPictureEnhancement SET SIZE(1..14) OF BEnhancementParameters OPTIONAL, 930 ... 931} 932 933BEnhancementParameters ::=SEQUENCE 934{ 935 enhancementOptions EnhancementOptions, 936 numberOfBPictures INTEGER (1..64), 937 ... 938} 939 940EnhancementOptions ::=SEQUENCE 941{ 942 sqcifMPI INTEGER (1..32) OPTIONAL, -- units 1/29.97 Hz 943 qcifMPI INTEGER (1..32) OPTIONAL, -- units 1/29.97 Hz 944 cifMPI INTEGER (1..32) OPTIONAL, -- units 1/29.97 Hz 945 cif4MPI INTEGER (1..32) OPTIONAL, -- units 1/29.97 Hz 946 cif16MPI INTEGER (1..32) OPTIONAL, -- units 1/29.97 Hz 947 maxBitRate INTEGER (1..192400), -- units 100 bit/s 948 unrestrictedVector BOOLEAN, 949 arithmeticCoding BOOLEAN, 950 temporalSpatialTradeOffCapability BOOLEAN, 951 slowSqcifMPI INTEGER (1..3600) OPTIONAL, -- units seconds/frame 952 slowQcifMPI INTEGER (1..3600) OPTIONAL, -- units seconds/frame 953 slowCifMPI INTEGER (1..3600) OPTIONAL, -- units seconds/frame 954 slowCif4MPI INTEGER (1..3600) OPTIONAL, -- units seconds/frame 955 slowCif16MPI INTEGER (1..3600) OPTIONAL, -- units seconds/frame 956 errorCompensation BOOLEAN, 957 h263Options H263Options OPTIONAL, 958 ... 959} 960 961H263Options ::= SEQUENCE 962{ 963 advancedIntraCodingMode BOOLEAN, 964 deblockingFilterMode BOOLEAN, 965 improvedPBFramesMode BOOLEAN, 966 967 unlimitedMotionVectors BOOLEAN, 968 969 fullPictureFreeze BOOLEAN, 970 partialPictureFreezeAndRelease BOOLEAN, 971 resizingPartPicFreezeAndRelease BOOLEAN, 972 fullPictureSnapshot BOOLEAN, 973 partialPictureSnapshot BOOLEAN, 974 videoSegmentTagging BOOLEAN, 975 progressiveRefinement BOOLEAN, 976 977 dynamicPictureResizingByFour BOOLEAN, 978 dynamicPictureResizingSixteenthPel BOOLEAN, 979 dynamicWarpingHalfPel BOOLEAN, 980 dynamicWarpingSixteenthPel BOOLEAN, 981 982 independentSegmentDecoding BOOLEAN, 983 984 slicesInOrder-NonRect BOOLEAN, 985 slicesInOrder-Rect BOOLEAN, 986 slicesNoOrder-NonRect BOOLEAN, 987 slicesNoOrder-Rect BOOLEAN, 988 989 alternateInterVLCMode BOOLEAN, 990 modifiedQuantizationMode BOOLEAN, 991 reducedResolutionUpdate BOOLEAN, 992 993 transparencyParameters TransparencyParameters OPTIONAL, 994 separateVideoBackChannel BOOLEAN, 995 refPictureSelection RefPictureSelection OPTIONAL, 996 customPictureClockFrequency SET SIZE (1..16) OF CustomPictureClockFrequency OPTIONAL, 997 customPictureFormat SET SIZE (1..16) OF CustomPictureFormat OPTIONAL, 998 modeCombos SET SIZE (1..16) OF H263VideoModeCombos OPTIONAL, 999 ..., 1000 videoBadMBsCap BOOLEAN, 1001 h263Version3Options H263Version3Options 1002 1003} 1004 1005TransparencyParameters ::= SEQUENCE 1006{ 1007 presentationOrder INTEGER(1..256), 1008 offset-x INTEGER(-262144..262143), -- 1/8 pixels 1009 offset-y INTEGER(-262144..262143), -- 1/8 pixels 1010 scale-x INTEGER(1..255), 1011 scale-y INTEGER(1..255), 1012 ... 1013} 1014 1015RefPictureSelection ::=SEQUENCE 1016{ 1017 additionalPictureMemory SEQUENCE 1018 { 1019 sqcifAdditionalPictureMemory INTEGER (1..256) OPTIONAL, -- units frame 1020 qcifAdditionalPictureMemory INTEGER (1..256) OPTIONAL, -- units frame 1021 cifAdditionalPictureMemory INTEGER (1..256) OPTIONAL, -- units frame 1022 cif4AdditionalPictureMemory INTEGER (1..256) OPTIONAL, -- units frame 1023 cif16AdditionalPictureMemory INTEGER (1..256) OPTIONAL, -- units frame 1024 bigCpfAdditionalPictureMemory INTEGER (1..256) OPTIONAL, -- units frame 1025 ... 1026 } OPTIONAL, 1027 videoMux BOOLEAN, 1028 videoBackChannelSend CHOICE 1029 { 1030 none NULL, 1031 ackMessageOnly NULL, 1032 nackMessageOnly NULL, 1033 ackOrNackMessageOnly NULL, 1034 ackAndNackMessage NULL, 1035 ... 1036 }, 1037 ..., 1038 enhancedReferencePicSelect SEQUENCE 1039 { 1040 subPictureRemovalParameters SEQUENCE 1041 { 1042 mpuHorizMBs INTEGER (1..128), 1043 mpuVertMBs INTEGER (1..72), 1044 mpuTotalNumber INTEGER (1..65536), 1045 ... 1046 } OPTIONAL, 1047 ... 1048 } 1049} 1050 1051CustomPictureClockFrequency ::=SEQUENCE 1052{ 1053 clockConversionCode INTEGER(1000..1001), 1054 clockDivisor INTEGER(1..127), 1055 sqcifMPI INTEGER (1..2048) OPTIONAL, 1056 qcifMPI INTEGER (1..2048) OPTIONAL, 1057 cifMPI INTEGER (1..2048) OPTIONAL, 1058 cif4MPI INTEGER (1..2048) OPTIONAL, 1059 cif16MPI INTEGER (1..2048) OPTIONAL, 1060 ... 1061} 1062 1063CustomPictureFormat ::=SEQUENCE 1064{ 1065 maxCustomPictureWidth INTEGER(1..2048), -- units 4 pixels 1066 maxCustomPictureHeight INTEGER(1..2048), -- units 4 pixels 1067 minCustomPictureWidth INTEGER(1..2048), -- units 4 pixels 1068 minCustomPictureHeight INTEGER(1..2048), -- units 4 pixels 1069 mPI SEQUENCE 1070 { 1071 standardMPI INTEGER (1..31) OPTIONAL, 1072 customPCF SET SIZE (1..16) OF SEQUENCE 1073 { 1074 clockConversionCode INTEGER (1000..1001), 1075 clockDivisor INTEGER (1..127), 1076 customMPI INTEGER (1..2048), 1077 ... 1078 } OPTIONAL, 1079 ... 1080 }, 1081 1082 pixelAspectInformation CHOICE 1083 { 1084 anyPixelAspectRatio BOOLEAN, 1085 pixelAspectCode SET SIZE (1..14) OF INTEGER(1..14), 1086 extendedPAR SET SIZE (1..256) OF SEQUENCE 1087 { 1088 width INTEGER(1..255), 1089 height INTEGER(1..255), 1090 ... 1091 }, 1092 ... 1093 } , 1094 ... 1095} 1096 1097H263VideoModeCombos ::= SEQUENCE 1098{ 1099 h263VideoUncoupledModes H263ModeComboFlags, 1100 h263VideoCoupledModes SET SIZE (1..16) OF H263ModeComboFlags, 1101 ... 1102} 1103 1104H263ModeComboFlags ::= SEQUENCE 1105{ 1106 unrestrictedVector BOOLEAN, 1107 arithmeticCoding BOOLEAN, 1108 advancedPrediction BOOLEAN, 1109 pbFrames BOOLEAN, 1110 advancedIntraCodingMode BOOLEAN, 1111 deblockingFilterMode BOOLEAN, 1112 unlimitedMotionVectors BOOLEAN, 1113 slicesInOrder-NonRect BOOLEAN, 1114 slicesInOrder-Rect BOOLEAN, 1115 slicesNoOrder-NonRect BOOLEAN, 1116 slicesNoOrder-Rect BOOLEAN, 1117 improvedPBFramesMode BOOLEAN, 1118 referencePicSelect BOOLEAN, 1119 dynamicPictureResizingByFour BOOLEAN, 1120 dynamicPictureResizingSixteenthPel BOOLEAN, 1121 dynamicWarpingHalfPel BOOLEAN, 1122 dynamicWarpingSixteenthPel BOOLEAN, 1123 reducedResolutionUpdate BOOLEAN, 1124 independentSegmentDecoding BOOLEAN, 1125 alternateInterVLCMode BOOLEAN, 1126 modifiedQuantizationMode BOOLEAN, 1127 ..., 1128 enhancedReferencePicSelect BOOLEAN, 1129 h263Version3Options H263Version3Options} 1130 1131H263Version3Options ::=SEQUENCE 1132{ 1133 dataPartitionedSlices BOOLEAN, 1134 fixedPointIDCT0 BOOLEAN, 1135 interlacedFields BOOLEAN, 1136 currentPictureHeaderRepetition BOOLEAN, 1137 previousPictureHeaderRepetition BOOLEAN, 1138 nextPictureHeaderRepetition BOOLEAN, 1139 pictureNumber BOOLEAN, 1140 spareReferencePictures BOOLEAN, 1141 ... 1142} 1143 1144IS11172VideoCapability ::=SEQUENCE 1145{ 1146 constrainedBitstream BOOLEAN, 1147 videoBitRate INTEGER (0.. 1073741823) OPTIONAL, -- units 400 bit/s 1148 vbvBufferSize INTEGER (0.. 262143) OPTIONAL, -- units 16 384 bits 1149 samplesPerLine INTEGER (0..16383) OPTIONAL, -- units samples/line 1150 linesPerFrame INTEGER (0..16383) OPTIONAL, -- units lines/frame 1151 pictureRate INTEGER (0..15) OPTIONAL, 1152 luminanceSampleRate INTEGER (0..4294967295) OPTIONAL, -- units samples/s 1153 ..., 1154 videoBadMBsCap BOOLEAN 1155} 1156 1157-- ============================================================================= 1158-- Capability exchange definitions: Audio capabilities 1159-- ============================================================================= 1160 1161-- For an H.222 multiplex, the integers indicate the size of the STD buffer 1162-- in units of 256 octets 1163-- For an H.223 multiplex, the integers indicate the maximum number of audio 1164-- frames per AL-SDU 1165-- For an H.225.0 multiplex, the integers indicate the maximum number of audio 1166-- frames per packet 1167 1168AudioCapability ::=CHOICE 1169{ 1170 nonStandard NonStandardParameter, 1171 g711Alaw64k INTEGER (1..256), 1172 g711Alaw56k INTEGER (1..256), 1173 g711Ulaw64k INTEGER (1..256), 1174 g711Ulaw56k INTEGER (1..256), 1175 1176 g722-64k INTEGER (1..256), 1177 g722-56k INTEGER (1..256), 1178 g722-48k INTEGER (1..256), 1179 1180 g7231 SEQUENCE 1181 { 1182 maxAl-sduAudioFrames INTEGER (1..256), 1183 silenceSuppression BOOLEAN 1184 }, 1185 1186 g728 INTEGER (1..256), 1187 g729 INTEGER (1..256), 1188 g729AnnexA INTEGER (1..256), 1189 is11172AudioCapability IS11172AudioCapability, 1190 is13818AudioCapability IS13818AudioCapability, 1191 ..., 1192 g729wAnnexB INTEGER(1..256), 1193 g729AnnexAwAnnexB INTEGER(1..256), 1194 g7231AnnexCCapability G7231AnnexCCapability, 1195 gsmFullRate GSMAudioCapability, 1196 gsmHalfRate GSMAudioCapability, 1197 gsmEnhancedFullRate GSMAudioCapability, 1198 genericAudioCapability GenericCapability, 1199 g729Extensions G729Extensions, 1200 vbd VBDCapability, 1201 audioTelephonyEvent NoPTAudioTelephonyEventCapability, 1202 audioTone NoPTAudioToneCapability 1203} 1204 1205G729Extensions ::= SEQUENCE 1206{ 1207 audioUnit INTEGER (1..256) OPTIONAL, 1208 annexA BOOLEAN, 1209 annexB BOOLEAN, 1210 annexD BOOLEAN, 1211 annexE BOOLEAN, 1212 annexF BOOLEAN, 1213 annexG BOOLEAN, 1214 annexH BOOLEAN, 1215 ... 1216} 1217 1218G7231AnnexCCapability ::= SEQUENCE 1219{ 1220 maxAl-sduAudioFrames INTEGER (1..256), 1221 silenceSuppression BOOLEAN, 1222 g723AnnexCAudioMode SEQUENCE 1223 { 1224 highRateMode0 INTEGER (27..78), -- units octets 1225 highRateMode1 INTEGER (27..78), -- units octets 1226 lowRateMode0 INTEGER (23..66), -- units octets 1227 lowRateMode1 INTEGER (23..66), -- units octets 1228 sidMode0 INTEGER (6..17), -- units octets 1229 sidMode1 INTEGER (6..17), -- units octets 1230 ... 1231 } OPTIONAL, 1232 ... 1233} 1234 1235IS11172AudioCapability ::=SEQUENCE 1236{ 1237 audioLayer1 BOOLEAN, 1238 audioLayer2 BOOLEAN, 1239 audioLayer3 BOOLEAN, 1240 1241 audioSampling32k BOOLEAN, 1242 audioSampling44k1 BOOLEAN, 1243 audioSampling48k BOOLEAN, 1244 1245 singleChannel BOOLEAN, 1246 twoChannels BOOLEAN, 1247 1248 bitRate INTEGER (1..448), -- units kbit/s 1249 ... 1250} 1251 1252IS13818AudioCapability ::=SEQUENCE 1253{ 1254 audioLayer1 BOOLEAN, 1255 audioLayer2 BOOLEAN, 1256 audioLayer3 BOOLEAN, 1257 1258 audioSampling16k BOOLEAN, 1259 audioSampling22k05 BOOLEAN, 1260 audioSampling24k BOOLEAN, 1261 audioSampling32k BOOLEAN, 1262 audioSampling44k1 BOOLEAN, 1263 audioSampling48k BOOLEAN, 1264 1265 singleChannel BOOLEAN, 1266 twoChannels BOOLEAN, 1267 threeChannels2-1 BOOLEAN, 1268 threeChannels3-0 BOOLEAN, 1269 fourChannels2-0-2-0 BOOLEAN, 1270 fourChannels2-2 BOOLEAN, 1271 fourChannels3-1 BOOLEAN, 1272 fiveChannels3-0-2-0 BOOLEAN, 1273 fiveChannels3-2 BOOLEAN, 1274 1275 lowFrequencyEnhancement BOOLEAN, 1276 1277 multilingual BOOLEAN, 1278 1279 bitRate INTEGER (1..1130), -- units kbit/s 1280 ... 1281} 1282 1283GSMAudioCapability ::= SEQUENCE 1284{ 1285 audioUnitSize INTEGER (1..256), 1286 comfortNoise BOOLEAN, 1287 scrambled BOOLEAN, 1288 ... 1289} 1290 1291VBDCapability ::=SEQUENCE 1292{ 1293 type AudioCapability, -- shall not be "vbd" 1294 ... 1295} 1296 1297-- ============================================================================= 1298-- Capability exchange definitions: Data capabilities 1299-- ============================================================================= 1300 1301DataApplicationCapability ::=SEQUENCE 1302{ 1303 application CHOICE 1304 { 1305 nonStandard NonStandardParameter, 1306 t120 DataProtocolCapability, 1307 dsm-cc DataProtocolCapability, 1308 userData DataProtocolCapability, 1309 t84 SEQUENCE 1310 { 1311 t84Protocol DataProtocolCapability, 1312 t84Profile T84Profile 1313 }, 1314 t434 DataProtocolCapability, 1315 h224 DataProtocolCapability, 1316 nlpid SEQUENCE 1317 { 1318 nlpidProtocol DataProtocolCapability, 1319 nlpidData OCTET STRING 1320 }, 1321 dsvdControl NULL, 1322 h222DataPartitioning DataProtocolCapability, 1323 ..., 1324 t30fax DataProtocolCapability, 1325 t140 DataProtocolCapability, 1326 t38fax SEQUENCE 1327 { 1328 t38FaxProtocol DataProtocolCapability, 1329 t38FaxProfile T38FaxProfile 1330 }, 1331 genericDataCapability GenericCapability 1332 }, 1333 maxBitRate INTEGER (0..4294967295), -- units 100 bit/s 1334 ... 1335} 1336 1337DataProtocolCapability ::=CHOICE 1338{ 1339 nonStandard NonStandardParameter, 1340 v14buffered NULL, 1341 v42lapm NULL, -- may negotiate to V.42 bis 1342 hdlcFrameTunnelling NULL, 1343 h310SeparateVCStack NULL, 1344 h310SingleVCStack NULL, 1345 transparent NULL, 1346 ..., 1347 segmentationAndReassembly NULL, 1348 hdlcFrameTunnelingwSAR NULL, 1349 v120 NULL, -- as in H.230 1350 separateLANStack NULL, 1351 v76wCompression CHOICE 1352 { 1353 transmitCompression CompressionType, 1354 receiveCompression CompressionType, 1355 transmitAndReceiveCompression CompressionType, 1356 ... 1357 }, 1358 tcp NULL, 1359 udp NULL 1360} 1361 1362CompressionType ::=CHOICE 1363{ 1364 v42bis V42bis, 1365 ... 1366} 1367 1368V42bis ::=SEQUENCE 1369{ 1370 numberOfCodewords INTEGER (1..65536), 1371 maximumStringLength INTEGER (1..256), 1372 ... 1373} 1374 1375T84Profile ::=CHOICE 1376{ 1377 t84Unrestricted NULL, 1378 t84Restricted SEQUENCE 1379 { 1380 qcif BOOLEAN, 1381 cif BOOLEAN, 1382 ccir601Seq BOOLEAN, 1383 ccir601Prog BOOLEAN, 1384 hdtvSeq BOOLEAN, 1385 hdtvProg BOOLEAN, 1386 1387 g3FacsMH200x100 BOOLEAN, 1388 g3FacsMH200x200 BOOLEAN, 1389 g4FacsMMR200x100 BOOLEAN, 1390 g4FacsMMR200x200 BOOLEAN, 1391 jbig200x200Seq BOOLEAN, 1392 jbig200x200Prog BOOLEAN, 1393 jbig300x300Seq BOOLEAN, 1394 jbig300x300Prog BOOLEAN, 1395 1396 digPhotoLow BOOLEAN, 1397 digPhotoMedSeq BOOLEAN, 1398 digPhotoMedProg BOOLEAN, 1399 digPhotoHighSeq BOOLEAN, 1400 digPhotoHighProg BOOLEAN, 1401 1402 ... 1403 } 1404} 1405 1406T38FaxProfile ::=SEQUENCE 1407{ 1408 fillBitRemoval BOOLEAN, 1409 transcodingJBIG BOOLEAN, 1410 transcodingMMR BOOLEAN, 1411 ..., 1412 version INTEGER (0..255), 1413 -- Version 0, the default, refers to 1414 -- T.38 (2005) 1415 t38FaxRateManagement T38FaxRateManagement, 1416 -- The default Data Rate Management is 1417 -- determined by the choice of 1418 -- DataProtocolCapability 1419 t38FaxUdpOptions T38FaxUdpOptions OPTIONAL, 1420 -- For UDP, t38UDPRedundancy is the default 1421 t38FaxTcpOptions T38FaxTcpOptions OPTIONAL 1422} 1423 1424T38FaxRateManagement ::= CHOICE 1425{ 1426 localTCF NULL, 1427 transferredTCF NULL, 1428 ... 1429} 1430 1431T38FaxUdpOptions ::= SEQUENCE 1432{ 1433 t38FaxMaxBuffer INTEGER OPTIONAL, 1434 t38FaxMaxDatagram INTEGER OPTIONAL, 1435 t38FaxUdpEC CHOICE 1436 { 1437 t38UDPFEC NULL, 1438 t38UDPRedundancy NULL, 1439 ... 1440 } 1441} 1442 1443T38FaxTcpOptions ::= SEQUENCE 1444{ 1445 t38TCPBidirectionalMode BOOLEAN, 1446 ... 1447} 1448 1449-- ============================================================================= 1450-- Encryption Capability Definitions 1451-- ============================================================================= 1452 1453EncryptionAuthenticationAndIntegrity ::=SEQUENCE 1454{ 1455 encryptionCapability EncryptionCapability OPTIONAL, 1456 authenticationCapability AuthenticationCapability OPTIONAL, 1457 integrityCapability IntegrityCapability OPTIONAL, 1458 ..., 1459 genericH235SecurityCapability GenericCapability OPTIONAL 1460} 1461 1462EncryptionCapability ::=SEQUENCE SIZE(1..256) OF MediaEncryptionAlgorithm 1463 1464MediaEncryptionAlgorithm ::=CHOICE 1465{ 1466 nonStandard NonStandardParameter, 1467 algorithm OBJECT IDENTIFIER, -- many defined 1468 -- in ISO/IEC 9979 1469 ... 1470} 1471 1472AuthenticationCapability ::=SEQUENCE 1473{ 1474 nonStandard NonStandardParameter OPTIONAL, 1475 ..., 1476 antiSpamAlgorithm OBJECT IDENTIFIER OPTIONAL 1477} 1478 1479IntegrityCapability ::=SEQUENCE 1480{ 1481 nonStandard NonStandardParameter OPTIONAL, 1482 ... 1483} 1484 1485-- ============================================================================= 1486-- Capability Exchange Definitions: UserInput 1487-- ============================================================================= 1488 1489UserInputCapability ::= CHOICE 1490{ 1491 nonStandard SEQUENCE SIZE(1..16) OF NonStandardParameter, 1492 basicString NULL, -- alphanumeric 1493 iA5String NULL, -- alphanumeric 1494 generalString NULL, -- alphanumeric 1495 dtmf NULL, -- supports dtmf using signal 1496 -- and signalUpdate 1497 hookflash NULL, -- supports hookflash using signal 1498 ..., 1499 extendedAlphanumeric NULL, 1500 encryptedBasicString NULL, -- encrypted Basic string in 1501 -- encryptedAlphanumeric 1502 encryptedIA5String NULL, -- encrypted IA5 string in 1503 -- encryptedSignalType 1504 encryptedGeneralString NULL, -- encrypted general string in 1505 -- extendedAlphanumeric.encryptedalphanumeric 1506 secureDTMF NULL, -- secure DTMF using encryptedSignalType 1507 genericUserInputCapability GenericCapability 1508} 1509 1510-- ============================================================================= 1511-- Capability Exchange Definitions: Conference 1512-- ============================================================================= 1513 1514ConferenceCapability ::=SEQUENCE 1515{ 1516 nonStandardData SEQUENCE OF NonStandardParameter OPTIONAL, 1517 chairControlCapability BOOLEAN, 1518 ..., 1519 videoIndicateMixingCapability BOOLEAN, 1520 multipointVisualizationCapability BOOLEAN OPTIONAL -- same as H.230 MVC 1521} 1522-- ============================================================================= 1523-- Capability Exchange Definitions: Generic Capability 1524-- ============================================================================= 1525 1526GenericCapability ::=SEQUENCE 1527{ 1528 capabilityIdentifier CapabilityIdentifier, 1529 1530 maxBitRate INTEGER (0..4294967295) OPTIONAL, 1531 -- Units 100 bit/s 1532 collapsing SEQUENCE OF GenericParameter OPTIONAL, 1533 nonCollapsing SEQUENCE OF GenericParameter OPTIONAL, 1534 nonCollapsingRaw OCTET STRING OPTIONAL, 1535 -- Typically contains ASN.1 1536 -- PER encoded data describing capability 1537 transport DataProtocolCapability OPTIONAL, 1538 ... 1539} 1540 1541CapabilityIdentifier ::=CHOICE 1542{ 1543 standard OBJECT IDENTIFIER, 1544 -- e.g., { itu-t (0) recommendation (0) h (8) 267 1545 -- version (0) 2 subIdentifier (0)} 1546 h221NonStandard NonStandardParameter, 1547 uuid OCTET STRING ( SIZE (16) ), 1548 domainBased IA5String ( SIZE (1..64) ), 1549 ... 1550} 1551 1552-- NOTE � The ranges of parameter values have been selected to ensure that the 1553-- GenericParameter preamble, standard part of ParameterIdentifier and the 1554-- encoding of that choice, and the preamble of ParameterValue to fit into 1555-- 2 octets. 1556 1557GenericParameter ::=SEQUENCE 1558{ 1559 parameterIdentifier ParameterIdentifier, 1560 parameterValue ParameterValue, 1561 supersedes SEQUENCE OF ParameterIdentifier OPTIONAL, 1562 ... 1563} 1564 1565ParameterIdentifier ::=CHOICE 1566{ 1567 standard INTEGER (0..127), -- Assigned by 1568 -- Capability 1569 -- specifications 1570 h221NonStandard NonStandardParameter, -- N.B. 1571 -- NonStandardIdentifier 1572 -- is not sufficient in 1573 -- this case 1574 uuid OCTET STRING ( SIZE (16) ), -- For non- 1575 -- standard 1576 domainBased IA5String ( SIZE (1..64) ), 1577 ... 1578} 1579 1580ParameterValue ::=CHOICE 1581{ 1582 logical NULL, -- Only acceptable if 1583 -- all entities 1584 -- include this option 1585 booleanArray INTEGER (0..255), -- array of 8 logical 1586 -- types 1587 unsignedMin INTEGER (0..65535), -- Look for min 1588 -- common value 1589 unsignedMax INTEGER (0..65535), -- Look for max 1590 -- common value 1591 unsigned32Min INTEGER (0..4294967295), -- Look for min 1592 -- common value 1593 unsigned32Max INTEGER (0..4294967295), -- Look for max 1594 -- common value 1595 1596 octetString OCTET STRING, -- non-collapsing 1597 -- octet string 1598 1599 genericParameter SEQUENCE OF GenericParameter, 1600 ... 1601} 1602 1603-- ============================================================================= 1604-- Capability Exchange Definitions: Multiplexed Stream Capability 1605-- ============================================================================= 1606 1607MultiplexedStreamCapability ::=SEQUENCE 1608{ 1609 multiplexFormat MultiplexFormat, 1610 controlOnMuxStream BOOLEAN, 1611 capabilityOnMuxStream SET SIZE (1..256) OF AlternativeCapabilitySet OPTIONAL, 1612 ... 1613} 1614 1615MultiplexFormat ::= CHOICE 1616{ 1617 nonStandard NonStandardParameter, 1618 h222Capability H222Capability, 1619 h223Capability H223Capability, 1620 ... 1621} 1622 1623-- ============================================================================= 1624-- Capability Exchange Definitions: AudioTelephonyEventCapability and AudioToneCapability 1625--============================================================================== 1626 1627AudioTelephonyEventCapability ::=SEQUENCE 1628{ 1629 dynamicRTPPayloadType INTEGER(96..127), 1630 audioTelephoneEvent GeneralString, -- As per <list of values> 1631 -- in RFC 4733 1632 ... 1633} 1634 1635AudioToneCapability ::=SEQUENCE 1636{ 1637 dynamicRTPPayloadType INTEGER(96..127), 1638 ... 1639} 1640 1641-- The following definitions are as above but without a Payload Type field. 1642 1643NoPTAudioTelephonyEventCapability ::=SEQUENCE 1644{ 1645 audioTelephoneEvent GeneralString, -- As per <list of values> 1646 -- in RFC 4733 1647 ... 1648} 1649 1650NoPTAudioToneCapability ::=SEQUENCE 1651{ 1652 ... 1653} 1654 1655-- ============================================================================= 1656-- Capability Exchange Definitions: MultiplePayloadStreamCapability 1657-- ============================================================================= 1658 1659MultiplePayloadStreamCapability ::=SEQUENCE 1660{ 1661 capabilities SET SIZE(1..256) OF AlternativeCapabilitySet, 1662 ... 1663} 1664 1665-- ============================================================================= 1666-- Capability Exchange Definitions: FECCapability 1667-- ============================================================================= 1668 1669DepFECCapability ::=CHOICE -- Deprecated, do not use 1670{ 1671 rfc2733 SEQUENCE 1672 { 1673 redundancyEncoding BOOLEAN, 1674 separateStream SEQUENCE 1675 { 1676 separatePort BOOLEAN, 1677 samePort BOOLEAN, 1678 ... 1679 }, 1680 ... 1681 }, 1682 ... 1683} 1684 1685FECCapability ::= SEQUENCE 1686{ 1687 protectedCapability CapabilityTableEntryNumber, 1688 fecScheme OBJECT IDENTIFIER OPTIONAL, 1689 -- identifies encoding scheme 1690 rfc2733Format CHOICE 1691 { 1692 rfc2733rfc2198 MaxRedundancy, -- RFC 2198 1693 rfc2733sameport MaxRedundancy, 1694 -- separate packet, same port 1695 rfc2733diffport MaxRedundancy 1696 -- separate packet and port 1697 } OPTIONAL, 1698 ... 1699} 1700 1701MaxRedundancy ::= INTEGER (1..MAX) 1702 1703-- ============================================================================= 1704-- Logical channel signalling definitions 1705-- ============================================================================= 1706 1707-- "Forward" is used to refer to transmission in the direction from the terminal 1708-- making the original request for a logical channel to the other terminal, and 1709-- "reverse" is used to refer to the opposite direction of transmission, in the 1710-- case of a bidirectional channel request. 1711 1712OpenLogicalChannel ::=SEQUENCE 1713{ 1714 forwardLogicalChannelNumber LogicalChannelNumber, 1715 1716 forwardLogicalChannelParameters SEQUENCE 1717 { 1718 portNumber INTEGER (0..65535) OPTIONAL, 1719 dataType DataType, 1720 multiplexParameters CHOICE 1721 { 1722 h222LogicalChannelParameters H222LogicalChannelParameters, 1723 h223LogicalChannelParameters H223LogicalChannelParameters, 1724 v76LogicalChannelParameters V76LogicalChannelParameters, 1725 ..., 1726 h2250LogicalChannelParameters H2250LogicalChannelParameters, 1727 none NULL -- for use with Separate Stack when 1728 -- multiplexParameters are not 1729 -- required or appropriate 1730 1731 }, 1732 ..., 1733 forwardLogicalChannelDependency LogicalChannelNumber OPTIONAL, 1734 -- also used to refer to the primary 1735 -- logical channel when using video 1736 -- redundancy coding 1737 replacementFor LogicalChannelNumber OPTIONAL 1738 1739 }, 1740 1741 -- Used to specify the reverse channel for bidirectional open request 1742 1743 reverseLogicalChannelParameters SEQUENCE 1744 { 1745 dataType DataType, 1746 multiplexParameters CHOICE 1747 { 1748 -- H.222 parameters are never present in reverse direction 1749 h223LogicalChannelParameters H223LogicalChannelParameters, 1750 v76LogicalChannelParameters V76LogicalChannelParameters, 1751 ..., 1752 h2250LogicalChannelParameters H2250LogicalChannelParameters 1753 1754 } OPTIONAL, -- Not present for H.222 1755 ..., 1756 reverseLogicalChannelDependency LogicalChannelNumber OPTIONAL, 1757 -- also used to refer to the primary logical channel when using 1758 -- video redundancy coding 1759 replacementFor LogicalChannelNumber OPTIONAL 1760 1761 } OPTIONAL, -- Not present for unidirectional channel request 1762 ..., 1763 separateStack NetworkAccessParameters OPTIONAL, 1764 -- for Open responder to establish the stack 1765 encryptionSync EncryptionSync OPTIONAL, 1766 genericInformation SEQUENCE OF GenericInformation OPTIONAL 1767 -- generic information associated 1768 -- with the message 1769 1770 1771} 1772 1773LogicalChannelNumber ::=INTEGER (1..65535) 1774 1775NetworkAccessParameters ::=SEQUENCE 1776{ 1777 distribution CHOICE 1778 { 1779 unicast NULL, 1780 multicast NULL, -- for further study in T.120 1781 ... 1782 } OPTIONAL, 1783 1784 networkAddress CHOICE 1785 { 1786 q2931Address Q2931Address, 1787 e164Address IA5String(SIZE(1..128)) (FROM ("0123456789#*,")), 1788 localAreaAddress TransportAddress, 1789 ... 1790 }, 1791 associateConference BOOLEAN, 1792 externalReference OCTET STRING(SIZE(1..255)) OPTIONAL, 1793 ..., 1794 t120SetupProcedure CHOICE 1795 { 1796 1797 originateCall NULL, 1798 waitForCall NULL, 1799 issueQuery NULL, 1800 ... 1801 } OPTIONAL 1802} 1803 1804Q2931Address ::=SEQUENCE 1805{ 1806 address CHOICE 1807 { 1808 internationalNumber NumericString(SIZE(1..16)), 1809 nsapAddress OCTET STRING (SIZE(1..20)), 1810 ... 1811 }, 1812 subaddress OCTET STRING (SIZE(1..20)) OPTIONAL, 1813 ... 1814} 1815 1816V75Parameters ::= SEQUENCE 1817{ 1818 audioHeaderPresent BOOLEAN, 1819 ... 1820} 1821 1822 1823DataType ::=CHOICE 1824{ 1825 nonStandard NonStandardParameter, 1826 nullData NULL, 1827 videoData VideoCapability, 1828 audioData AudioCapability, 1829 data DataApplicationCapability, 1830 encryptionData EncryptionMode, 1831 ..., 1832 h235Control NonStandardParameter, 1833 h235Media H235Media, 1834 multiplexedStream MultiplexedStreamParameter, 1835 redundancyEncoding RedundancyEncoding, 1836 multiplePayloadStream MultiplePayloadStream, 1837 depFec DepFECData, -- Deprecated, do not use 1838 fec FECData 1839} 1840 1841H235Media ::=SEQUENCE 1842{ 1843 encryptionAuthenticationAndIntegrity EncryptionAuthenticationAndIntegrity, 1844 1845 mediaType CHOICE 1846 { 1847 nonStandard NonStandardParameter, 1848 videoData VideoCapability, 1849 audioData AudioCapability, 1850 data DataApplicationCapability, 1851 ..., 1852 redundancyEncoding RedundancyEncoding, 1853 multiplePayloadStream MultiplePayloadStream, 1854 depFec DepFECData, -- Deprecated, do not use 1855 fec FECData 1856 }, 1857 1858 ... 1859} 1860 1861MultiplexedStreamParameter ::=SEQUENCE 1862{ 1863 multiplexFormat MultiplexFormat, 1864 controlOnMuxStream BOOLEAN, 1865 ... 1866} 1867 1868H222LogicalChannelParameters ::=SEQUENCE 1869{ 1870 resourceID INTEGER (0..65535), 1871 subChannelID INTEGER (0..8191), 1872 pcr-pid INTEGER (0..8191) OPTIONAL, 1873 programDescriptors OCTET STRING OPTIONAL, 1874 streamDescriptors OCTET STRING OPTIONAL, 1875 ... 1876} 1877 1878H223LogicalChannelParameters ::=SEQUENCE 1879{ 1880 adaptationLayerType CHOICE 1881 { 1882 nonStandard NonStandardParameter, 1883 al1Framed NULL, 1884 al1NotFramed NULL, 1885 al2WithoutSequenceNumbers NULL, 1886 al2WithSequenceNumbers NULL, 1887 al3 SEQUENCE 1888 { 1889 controlFieldOctets INTEGER (0..2), 1890 sendBufferSize INTEGER (0..16777215) -- units octets 1891 }, 1892 ..., 1893 al1M H223AL1MParameters, 1894 al2M H223AL2MParameters, 1895 al3M H223AL3MParameters 1896 }, 1897 1898 segmentableFlag BOOLEAN, 1899 ... 1900} 1901 1902H223AL1MParameters ::=SEQUENCE 1903{ 1904 transferMode CHOICE 1905 { 1906 framed NULL, 1907 unframed NULL, 1908 ... 1909 }, 1910 headerFEC CHOICE 1911 { 1912 sebch16-7 NULL, 1913 golay24-12 NULL, 1914 ... 1915 }, 1916 crcLength CHOICE 1917 { 1918 crc4bit NULL, 1919 crc12bit NULL, 1920 crc20bit NULL, 1921 crc28bit NULL, 1922 ..., 1923 crc8bit NULL, 1924 crc16bit NULL, 1925 crc32bit NULL, 1926 crcNotUsed NULL 1927 }, 1928 1929 rcpcCodeRate INTEGER (8..32), 1930 1931 arqType CHOICE 1932 { 1933 noArq NULL, 1934 typeIArq H223AnnexCArqParameters, 1935 typeIIArq H223AnnexCArqParameters, 1936 ... 1937 }, 1938 alpduInterleaving BOOLEAN, 1939 alsduSplitting BOOLEAN, 1940 ..., 1941 rsCodeCorrection INTEGER (0..127) OPTIONAL 1942} 1943 1944H223AL2MParameters ::=SEQUENCE 1945{ 1946 headerFEC CHOICE 1947 { 1948 sebch16-5 NULL, 1949 golay24-12 NULL, 1950 ... 1951 }, 1952 alpduInterleaving BOOLEAN, 1953 ... 1954} 1955 1956H223AL3MParameters ::=SEQUENCE 1957{ 1958 headerFormat CHOICE 1959 { 1960 sebch16-7 NULL, 1961 golay24-12 NULL, 1962 ... 1963 }, 1964 crcLength CHOICE 1965 { 1966 crc4bit NULL, 1967 crc12bit NULL, 1968 crc20bit NULL, 1969 crc28bit NULL, 1970 ..., 1971 crc8bit NULL, 1972 crc16bit NULL, 1973 crc32bit NULL, 1974 crcNotUsed NULL 1975 }, 1976 1977 rcpcCodeRate INTEGER (8..32), 1978 1979 arqType CHOICE 1980 { 1981 noArq NULL, 1982 typeIArq H223AnnexCArqParameters, 1983 typeIIArq H223AnnexCArqParameters, 1984 ... 1985 }, 1986 1987 alpduInterleaving BOOLEAN, 1988 ..., 1989 rsCodeCorrection INTEGER (0..127) OPTIONAL 1990} 1991 1992 1993H223AnnexCArqParameters ::=SEQUENCE 1994{ 1995 numberOfRetransmissions CHOICE 1996 { 1997 finite INTEGER (0..16), 1998 infinite NULL, 1999 ... 2000 }, 2001 sendBufferSize INTEGER (0..16777215), -- units octets 2002 ... 2003} 2004 2005V76LogicalChannelParameters ::=SEQUENCE 2006{ 2007 hdlcParameters V76HDLCParameters, 2008 suspendResume CHOICE 2009 { 2010 noSuspendResume NULL, 2011 suspendResumewAddress NULL, 2012 suspendResumewoAddress NULL, 2013 ... 2014 }, 2015 uIH BOOLEAN, 2016 mode CHOICE 2017 { 2018 eRM SEQUENCE 2019 { 2020 windowSize INTEGER (1..127) , 2021 recovery CHOICE 2022 { 2023 rej NULL, 2024 sREJ NULL, 2025 mSREJ NULL, 2026 ... 2027 }, 2028 ... 2029 }, 2030 uNERM NULL, 2031 ... 2032 }, 2033 v75Parameters V75Parameters, 2034 ... 2035} 2036 2037 2038 2039V76HDLCParameters ::=SEQUENCE 2040{ 2041 crcLength CRCLength, 2042 n401 INTEGER (1..4095), 2043 loopbackTestProcedure BOOLEAN, 2044 ... 2045} 2046 2047 2048CRCLength ::=CHOICE 2049{ 2050 crc8bit NULL, 2051 crc16bit NULL, 2052 crc32bit NULL, 2053 ... 2054} 2055 2056H2250LogicalChannelParameters ::=SEQUENCE 2057{ 2058 nonStandard SEQUENCE OF NonStandardParameter OPTIONAL, 2059 sessionID INTEGER(0..255), 2060 associatedSessionID INTEGER(1..255) OPTIONAL, 2061 mediaChannel TransportAddress OPTIONAL, 2062 mediaGuaranteedDelivery BOOLEAN OPTIONAL, 2063 mediaControlChannel TransportAddress OPTIONAL, -- reverse 2064 -- RTCP channel 2065 mediaControlGuaranteedDelivery BOOLEAN OPTIONAL, 2066 silenceSuppression BOOLEAN OPTIONAL, 2067 destination TerminalLabel OPTIONAL, 2068 2069 dynamicRTPPayloadType INTEGER(96..127) OPTIONAL, 2070 mediaPacketization CHOICE 2071 { 2072 h261aVideoPacketization NULL, 2073 ..., 2074 rtpPayloadType RTPPayloadType 2075 } OPTIONAL, 2076 ..., 2077 transportCapability TransportCapability OPTIONAL, 2078 redundancyEncoding RedundancyEncoding OPTIONAL, 2079 source TerminalLabel OPTIONAL 2080} 2081 2082RTPPayloadType ::= SEQUENCE 2083{ 2084 payloadDescriptor CHOICE 2085 { 2086 nonStandardIdentifier NonStandardParameter, 2087 rfc-number INTEGER (1..32768, ...), 2088 oid OBJECT IDENTIFIER, 2089 ... 2090 }, 2091 payloadType INTEGER (0..127) OPTIONAL, 2092 ... 2093} 2094 2095RedundancyEncoding ::=SEQUENCE 2096{ 2097 redundancyEncodingMethod RedundancyEncodingMethod, 2098 secondaryEncoding DataType OPTIONAL, -- depends on method 2099 ..., 2100 2101 -- The sequence below may be used in place of the above secondaryEncoding field 2102 2103 rtpRedundancyEncoding SEQUENCE 2104 { 2105 primary RedundancyEncodingElement OPTIONAL, 2106 -- Present when redundancyEncoding 2107 -- is selected as the dataType 2108 -- in an OpenLogicalChannel or 2109 -- as part of a MultiplePayloadSteam 2110 2111 secondary SEQUENCE OF RedundancyEncodingElement OPTIONAL, 2112 ... 2113 } OPTIONAL 2114} 2115 2116RedundancyEncodingElement ::=SEQUENCE 2117{ 2118 dataType DataType, 2119 payloadType INTEGER(0..127) OPTIONAL, 2120 ... 2121} 2122 2123MultiplePayloadStream ::=SEQUENCE 2124{ 2125 elements SEQUENCE OF MultiplePayloadStreamElement, 2126 ... 2127} 2128 2129MultiplePayloadStreamElement ::=SEQUENCE 2130{ 2131 dataType DataType, 2132 payloadType INTEGER(0..127) OPTIONAL, 2133 ... 2134} 2135 2136DepFECData ::=CHOICE -- Deprecated, do not use 2137{ 2138 rfc2733 SEQUENCE 2139 { 2140 mode CHOICE 2141 { 2142 redundancyEncoding NULL, 2143 separateStream CHOICE 2144 { 2145 differentPort SEQUENCE 2146 { 2147 protectedSessionID INTEGER(1..255), 2148 protectedPayloadType INTEGER(0..127) OPTIONAL, 2149 ... 2150 }, 2151 samePort SEQUENCE 2152 { 2153 protectedPayloadType INTEGER(0..127), 2154 ... 2155 }, 2156 ... 2157 }, 2158 ... 2159 }, 2160 ... 2161 } 2162} 2163 2164FECData ::= CHOICE 2165{ 2166 rfc2733 SEQUENCE 2167 { 2168 protectedPayloadType INTEGER(0..127), 2169 fecScheme OBJECT IDENTIFIER OPTIONAL, 2170 pktMode CHOICE 2171 { 2172 rfc2198coding NULL, 2173 rfc2733sameport SEQUENCE 2174 { 2175 ... 2176 }, 2177 rfc2733diffport SEQUENCE 2178 { 2179 protectedChannel LogicalChannelNumber, 2180 ... 2181 }, 2182 ... 2183 }, 2184 ... 2185 }, 2186 ... 2187} 2188 2189TransportAddress ::=CHOICE 2190{ 2191 unicastAddress UnicastAddress, 2192 multicastAddress MulticastAddress, 2193 ... 2194} 2195 2196UnicastAddress ::=CHOICE 2197{ 2198 iPAddress SEQUENCE 2199 { 2200 network OCTET STRING (SIZE(4)), 2201 tsapIdentifier INTEGER(0..65535), 2202 ... 2203 }, 2204 iPXAddress SEQUENCE 2205 { 2206 node OCTET STRING (SIZE(6)), 2207 netnum OCTET STRING (SIZE(4)), 2208 tsapIdentifier OCTET STRING (SIZE(2)), 2209 ... 2210 }, 2211 iP6Address SEQUENCE 2212 { 2213 network OCTET STRING (SIZE(16)), 2214 tsapIdentifier INTEGER(0..65535), 2215 ... 2216 }, 2217 netBios OCTET STRING (SIZE(16)), 2218 iPSourceRouteAddress SEQUENCE 2219 { 2220 routing CHOICE 2221 { 2222 strict NULL, 2223 loose NULL 2224 }, 2225 network OCTET STRING (SIZE(4)), 2226 tsapIdentifier INTEGER(0..65535), 2227 route SEQUENCE OF OCTET STRING (SIZE(4)), 2228 ... 2229 }, 2230 ..., 2231 nsap OCTET STRING (SIZE(1..20)), 2232 nonStandardAddress NonStandardParameter 2233} 2234 2235MulticastAddress ::=CHOICE 2236{ 2237 iPAddress SEQUENCE 2238 { 2239 network OCTET STRING (SIZE(4)), 2240 tsapIdentifier INTEGER(0..65535), 2241 ... 2242 }, 2243 iP6Address SEQUENCE 2244 { 2245 network OCTET STRING (SIZE(16)), 2246 tsapIdentifier INTEGER(0..65535), 2247 ... 2248 }, 2249 ..., 2250 nsap OCTET STRING (SIZE(1..20)), 2251 nonStandardAddress NonStandardParameter 2252} 2253 2254EncryptionSync ::=SEQUENCE 2255 -- used to supply new key and synchronization point 2256{ 2257 nonStandard NonStandardParameter OPTIONAL, 2258 synchFlag INTEGER(0..255) , -- may need to be larger 2259 -- for H.324, etc. 2260 -- shall be the Dynamic 2261 -- Payload# for H.323 2262 h235Key OCTET STRING (SIZE(1..65535)), -- H.235.0 2263 -- encoded value 2264 escrowentry SEQUENCE SIZE(1..256) OF EscrowData OPTIONAL, 2265 ..., 2266 genericParameter GenericParameter OPTIONAL 2267} 2268 2269EscrowData ::=SEQUENCE 2270{ 2271 escrowID OBJECT IDENTIFIER, 2272 escrowValue BIT STRING (SIZE(1..65535)), 2273 ... 2274} 2275 2276OpenLogicalChannelAck ::=SEQUENCE 2277{ 2278 forwardLogicalChannelNumber LogicalChannelNumber, 2279 2280 reverseLogicalChannelParameters SEQUENCE 2281 { 2282 reverseLogicalChannelNumber LogicalChannelNumber, 2283 portNumber INTEGER (0..65535) OPTIONAL, 2284 multiplexParameters CHOICE 2285 { 2286 h222LogicalChannelParameters H222LogicalChannelParameters, 2287 -- H.223 parameters are never present in reverse direction 2288 ..., 2289 h2250LogicalChannelParameters H2250LogicalChannelParameters 2290 2291 } OPTIONAL, -- not present for H.223 2292 ..., 2293 replacementFor LogicalChannelNumber OPTIONAL 2294 2295 } OPTIONAL, -- not present for unidirectional channel 2296 -- request 2297 ..., 2298 separateStack NetworkAccessParameters OPTIONAL, 2299 -- for Open requester to establish 2300 -- the stack 2301 forwardMultiplexAckParameters CHOICE 2302 { 2303 -- H.222 parameters are never present in the Ack 2304 -- H.223 parameters are never present in the Ack 2305 -- V.76 parameters are never present in the Ack 2306 h2250LogicalChannelAckParameters H2250LogicalChannelAckParameters, 2307 ... 2308 } OPTIONAL, 2309 encryptionSync EncryptionSync OPTIONAL, -- used only by Master 2310 genericInformation SEQUENCE OF GenericInformation OPTIONAL 2311 -- generic information associated 2312 -- with the message 2313} 2314 2315OpenLogicalChannelReject ::=SEQUENCE 2316{ 2317 forwardLogicalChannelNumber LogicalChannelNumber, 2318 cause CHOICE 2319 { 2320 unspecified NULL, 2321 unsuitableReverseParameters NULL, 2322 dataTypeNotSupported NULL, 2323 dataTypeNotAvailable NULL, 2324 unknownDataType NULL, 2325 dataTypeALCombinationNotSupported NULL, 2326 ..., 2327 multicastChannelNotAllowed NULL, 2328 insufficientBandwidth NULL, 2329 separateStackEstablishmentFailed NULL, 2330 invalidSessionID NULL, 2331 masterSlaveConflict NULL, 2332 waitForCommunicationMode NULL, 2333 invalidDependentChannel NULL, 2334 replacementForRejected NULL, 2335 securityDenied NULL, 2336 qoSControlNotSupported NULL -- added for callee to indicate 2337 -- that requested QoS support cannot be 2338 -- supported. 2339 }, 2340 ..., 2341 genericInformation SEQUENCE OF GenericInformation OPTIONAL 2342 -- generic information associated 2343 -- with the message 2344} 2345 2346OpenLogicalChannelConfirm ::=SEQUENCE 2347{ 2348 forwardLogicalChannelNumber LogicalChannelNumber, 2349 ..., 2350 genericInformation SEQUENCE OF GenericInformation OPTIONAL 2351 -- generic information associated 2352 -- with the message 2353} 2354 2355H2250LogicalChannelAckParameters ::=SEQUENCE 2356{ 2357 nonStandard SEQUENCE OF NonStandardParameter OPTIONAL, 2358 sessionID INTEGER(1..255) OPTIONAL, 2359 mediaChannel TransportAddress OPTIONAL, 2360 mediaControlChannel TransportAddress OPTIONAL, -- forward RTCP 2361 -- channel 2362 dynamicRTPPayloadType INTEGER(96..127) OPTIONAL, -- used only by 2363 -- the master or 2364 -- MC 2365 ..., 2366 flowControlToZero BOOLEAN, 2367 portNumber INTEGER (0..65535) OPTIONAL 2368} 2369 2370 2371 2372CloseLogicalChannel ::=SEQUENCE 2373{ 2374 forwardLogicalChannelNumber LogicalChannelNumber, 2375 source CHOICE 2376 { 2377 user NULL, 2378 lcse NULL 2379 }, 2380 ..., 2381 reason CHOICE 2382 { 2383 unknown NULL, 2384 reopen NULL, 2385 reservationFailure NULL, 2386 ..., 2387 networkErrorCode INTEGER(0..255) -- Indicates the error 2388 -- code received from network 2389 } 2390} 2391 2392CloseLogicalChannelAck ::=SEQUENCE 2393{ 2394 forwardLogicalChannelNumber LogicalChannelNumber, 2395 ... 2396} 2397 2398RequestChannelClose ::=SEQUENCE 2399{ 2400 forwardLogicalChannelNumber LogicalChannelNumber, 2401 ..., 2402 qosCapability QOSCapability OPTIONAL, 2403 reason CHOICE 2404 { 2405 unknown NULL, 2406 normal NULL, 2407 reopen NULL, 2408 reservationFailure NULL, 2409 ..., 2410 networkErrorCode INTEGER(0..255) -- Indicates the error 2411 -- code received from network 2412 } 2413} 2414 2415RequestChannelCloseAck ::=SEQUENCE 2416{ 2417 forwardLogicalChannelNumber LogicalChannelNumber, 2418 ... 2419} 2420 2421RequestChannelCloseReject ::=SEQUENCE 2422{ 2423 forwardLogicalChannelNumber LogicalChannelNumber, 2424 cause CHOICE 2425 { 2426 unspecified NULL, 2427 ... 2428 }, 2429 ... 2430} 2431 2432RequestChannelCloseRelease ::=SEQUENCE 2433{ 2434 forwardLogicalChannelNumber LogicalChannelNumber, 2435 ... 2436} 2437 2438-- ============================================================================= 2439-- H.223 multiplex table definitions 2440-- ============================================================================= 2441 2442MultiplexEntrySend ::=SEQUENCE 2443{ 2444 sequenceNumber SequenceNumber, 2445 multiplexEntryDescriptors SET SIZE (1..15) OF MultiplexEntryDescriptor, 2446 ... 2447} 2448 2449MultiplexEntryDescriptor ::=SEQUENCE 2450{ 2451 multiplexTableEntryNumber MultiplexTableEntryNumber, 2452 elementList SEQUENCE SIZE (1..256) OF MultiplexElement OPTIONAL 2453} 2454 2455MultiplexElement ::=SEQUENCE 2456{ 2457 type CHOICE 2458 { 2459 logicalChannelNumber INTEGER(0..65535), 2460 subElementList SEQUENCE SIZE (2..255) OF MultiplexElement 2461 }, 2462 repeatCount CHOICE 2463 { 2464 finite INTEGER (1..65535), -- repeats of type 2465 untilClosingFlag NULL -- used for last element 2466 } 2467} 2468 2469MultiplexTableEntryNumber ::=INTEGER (1..15) 2470 2471MultiplexEntrySendAck ::=SEQUENCE 2472{ 2473 sequenceNumber SequenceNumber, 2474 multiplexTableEntryNumber SET SIZE (1..15) OF 2475 MultiplexTableEntryNumber, 2476 ... 2477} 2478 2479MultiplexEntrySendReject ::=SEQUENCE 2480{ 2481 sequenceNumber SequenceNumber, 2482 rejectionDescriptions SET SIZE (1..15) OF 2483 MultiplexEntryRejectionDescriptions, 2484 ... 2485} 2486 2487MultiplexEntryRejectionDescriptions ::=SEQUENCE 2488{ 2489 multiplexTableEntryNumber MultiplexTableEntryNumber, 2490 cause CHOICE 2491 { 2492 unspecifiedCause NULL, 2493 descriptorTooComplex NULL, 2494 ... 2495 }, 2496 ... 2497} 2498 2499MultiplexEntrySendRelease ::=SEQUENCE 2500{ 2501 multiplexTableEntryNumber SET SIZE (1..15) OF 2502 MultiplexTableEntryNumber, 2503 ... 2504} 2505 2506RequestMultiplexEntry ::=SEQUENCE 2507{ 2508 entryNumbers SET SIZE (1..15) OF 2509 MultiplexTableEntryNumber, 2510 ... 2511} 2512 2513RequestMultiplexEntryAck ::=SEQUENCE 2514{ 2515 entryNumbers SET SIZE (1..15) OF MultiplexTableEntryNumber, 2516 ... 2517} 2518 2519RequestMultiplexEntryReject ::=SEQUENCE 2520{ 2521 entryNumbers SET SIZE (1..15) OF 2522 MultiplexTableEntryNumber, 2523 rejectionDescriptions SET SIZE (1..15) OF 2524 RequestMultiplexEntryRejectionDescriptions, 2525 ... 2526} 2527 2528RequestMultiplexEntryRejectionDescriptions ::=SEQUENCE 2529{ 2530 multiplexTableEntryNumber MultiplexTableEntryNumber, 2531 cause CHOICE 2532 { 2533 unspecifiedCause NULL, 2534 ... 2535 }, 2536 ... 2537} 2538 2539RequestMultiplexEntryRelease ::=SEQUENCE 2540{ 2541 entryNumbers SET SIZE (1..15) OF 2542 MultiplexTableEntryNumber, 2543 ... 2544} 2545 2546-- ============================================================================= 2547-- Request mode definitions 2548-- ============================================================================= 2549 2550-- RequestMode is a list, in order or preference, of modes that a terminal would 2551-- like to have transmitted to it. 2552 2553RequestMode ::=SEQUENCE 2554{ 2555 sequenceNumber SequenceNumber, 2556 requestedModes SEQUENCE SIZE (1..256) OF ModeDescription, 2557 ... 2558} 2559 2560RequestModeAck ::=SEQUENCE 2561{ 2562 sequenceNumber SequenceNumber, 2563 response CHOICE 2564 { 2565 willTransmitMostPreferredMode NULL, 2566 willTransmitLessPreferredMode NULL, 2567 ... 2568 }, 2569 ... 2570} 2571 2572RequestModeReject ::=SEQUENCE 2573{ 2574 sequenceNumber SequenceNumber, 2575 cause CHOICE 2576 { 2577 modeUnavailable NULL, 2578 multipointConstraint NULL, 2579 requestDenied NULL, 2580 ... 2581 }, 2582 ... 2583} 2584 2585RequestModeRelease ::=SEQUENCE 2586{ 2587 ... 2588} 2589 2590-- ============================================================================= 2591-- Request mode definitions: Mode description 2592-- ============================================================================= 2593 2594ModeDescription ::=SET SIZE (1..256) OF ModeElement 2595 2596ModeElementType ::=CHOICE 2597{ 2598 nonStandard NonStandardParameter, 2599 videoMode VideoMode, 2600 audioMode AudioMode, 2601 dataMode DataMode, 2602 encryptionMode EncryptionMode, 2603 ..., 2604 h235Mode H235Mode, 2605 multiplexedStreamMode MultiplexedStreamParameter, 2606 redundancyEncodingDTMode RedundancyEncodingDTMode, 2607 multiplePayloadStreamMode MultiplePayloadStreamMode, 2608 depFecMode DepFECMode, -- deprecated, do not use 2609 fecMode FECMode 2610} 2611 2612ModeElement ::= SEQUENCE 2613{ 2614 type ModeElementType, 2615 2616 h223ModeParameters H223ModeParameters OPTIONAL, 2617 ..., 2618 v76ModeParameters V76ModeParameters OPTIONAL, 2619 h2250ModeParameters H2250ModeParameters OPTIONAL, 2620 genericModeParameters GenericCapability OPTIONAL, 2621 multiplexedStreamModeParameters MultiplexedStreamModeParameters OPTIONAL, 2622 logicalChannelNumber LogicalChannelNumber OPTIONAL 2623 2624} 2625 2626H235Mode ::=SEQUENCE 2627{ 2628 encryptionAuthenticationAndIntegrity EncryptionAuthenticationAndIntegrity, 2629 2630 mediaMode CHOICE 2631 { 2632 nonStandard NonStandardParameter, 2633 videoMode VideoMode, 2634 audioMode AudioMode, 2635 dataMode DataMode, 2636 ... 2637 }, 2638 ... 2639} 2640 2641MultiplexedStreamModeParameters ::=SEQUENCE 2642{ 2643 logicalChannelNumber LogicalChannelNumber, 2644 ... 2645} 2646 2647RedundancyEncodingDTMode ::=SEQUENCE 2648{ 2649 redundancyEncodingMethod RedundancyEncodingMethod, 2650 primary RedundancyEncodingDTModeElement, 2651 secondary SEQUENCE OF RedundancyEncodingDTModeElement, 2652 ... 2653} 2654 2655RedundancyEncodingDTModeElement ::=SEQUENCE 2656{ 2657 type CHOICE 2658 { 2659 nonStandard NonStandardParameter, 2660 videoMode VideoMode, 2661 audioMode AudioMode, 2662 dataMode DataMode, 2663 encryptionMode EncryptionMode, 2664 h235Mode H235Mode, 2665 ..., 2666 fecMode FECMode 2667 }, 2668 ... 2669} 2670 2671MultiplePayloadStreamMode ::=SEQUENCE 2672{ 2673 elements SEQUENCE OF MultiplePayloadStreamElementMode, 2674 ... 2675} 2676 2677MultiplePayloadStreamElementMode ::=SEQUENCE 2678{ 2679 type ModeElementType, 2680 ... 2681} 2682 2683DepFECMode ::=CHOICE -- deprecated, do not use 2684{ 2685 rfc2733Mode SEQUENCE 2686 { 2687 mode CHOICE 2688 { 2689 redundancyEncoding NULL, 2690 separateStream CHOICE 2691 { 2692 differentPort SEQUENCE 2693 { 2694 protectedSessionID INTEGER(1..255), 2695 protectedPayloadType INTEGER(0..127) OPTIONAL, 2696 ... 2697 }, 2698 samePort SEQUENCE 2699 { 2700 protectedType ModeElementType, 2701 ... 2702 }, 2703 ... 2704 }, 2705 ... 2706 }, 2707 ... 2708 }, 2709 ... 2710} 2711 2712FECMode ::= SEQUENCE 2713{ 2714 protectedElement ModeElementType, 2715 fecScheme OBJECT IDENTIFIER OPTIONAL, 2716 -- identifies encoding scheme 2717 rfc2733Format CHOICE 2718 { 2719 rfc2733rfc2198 MaxRedundancy, -- RFC 2198 redundancy 2720 rfc2733sameport MaxRedundancy, 2721 -- separate packet, same port 2722 rfc2733diffport MaxRedundancy 2723 -- separate packet and port 2724 } OPTIONAL, 2725 ... 2726} 2727 2728H223ModeParameters ::=SEQUENCE 2729{ 2730 adaptationLayerType CHOICE 2731 { 2732 nonStandard NonStandardParameter, 2733 al1Framed NULL, 2734 al1NotFramed NULL, 2735 al2WithoutSequenceNumbers NULL, 2736 al2WithSequenceNumbers NULL, 2737 al3 SEQUENCE 2738 { 2739 controlFieldOctets INTEGER(0..2), 2740 sendBufferSize INTEGER(0..16777215) -- units octets 2741 }, 2742 ..., 2743 al1M H223AL1MParameters, 2744 al2M H223AL2MParameters, 2745 al3M H223AL3MParameters 2746 2747 }, 2748 2749 segmentableFlag BOOLEAN, 2750 ... 2751} 2752 2753V76ModeParameters ::=CHOICE 2754{ 2755 suspendResumewAddress NULL, 2756 suspendResumewoAddress NULL, 2757 ... 2758} 2759 2760H2250ModeParameters ::=SEQUENCE 2761{ 2762 redundancyEncodingMode RedundancyEncodingMode OPTIONAL, 2763 ... 2764} 2765 2766RedundancyEncodingMode ::=SEQUENCE 2767{ 2768 redundancyEncodingMethod RedundancyEncodingMethod, 2769 secondaryEncoding CHOICE 2770 { 2771 nonStandard NonStandardParameter, 2772 audioData AudioMode, 2773 ... 2774 } OPTIONAL, 2775 ... 2776} 2777 2778-- ============================================================================= 2779-- Request mode definitions: Video modes 2780-- ============================================================================= 2781 2782VideoMode ::=CHOICE 2783{ 2784 nonStandard NonStandardParameter, 2785 h261VideoMode H261VideoMode, 2786 h262VideoMode H262VideoMode, 2787 h263VideoMode H263VideoMode, 2788 is11172VideoMode IS11172VideoMode, 2789 ..., 2790 genericVideoMode GenericCapability 2791} 2792 2793H261VideoMode ::=SEQUENCE 2794{ 2795 resolution CHOICE 2796 { 2797 qcif NULL, 2798 cif NULL 2799 }, 2800 bitRate INTEGER (1..19200), -- units 100 bit/s 2801 stillImageTransmission BOOLEAN, 2802 ... 2803} 2804 2805H262VideoMode ::=SEQUENCE 2806{ 2807 profileAndLevel CHOICE 2808 { 2809 profileAndLevel-SPatML NULL, 2810 profileAndLevel-MPatLL NULL, 2811 profileAndLevel-MPatML NULL, 2812 profileAndLevel-MPatH-14 NULL, 2813 profileAndLevel-MPatHL NULL, 2814 profileAndLevel-SNRatLL NULL, 2815 profileAndLevel-SNRatML NULL, 2816 profileAndLevel-SpatialatH-14 NULL, 2817 profileAndLevel-HPatML NULL, 2818 profileAndLevel-HPatH-14 NULL, 2819 profileAndLevel-HPatHL NULL, 2820 ... 2821 }, 2822 videoBitRate INTEGER(0..1073741823) OPTIONAL, -- units 400 bit/s 2823 vbvBufferSize INTEGER(0..262143) OPTIONAL, -- units 16 384 bits 2824 samplesPerLine INTEGER(0..16383) OPTIONAL, -- units samples/line 2825 linesPerFrame INTEGER(0..16383) OPTIONAL, -- units lines/frame 2826 framesPerSecond INTEGER(0..15) OPTIONAL, -- frame_rate_code 2827 luminanceSampleRate INTEGER(0..4294967295) OPTIONAL, -- units samples/s 2828 ... 2829} 2830 2831H263VideoMode ::=SEQUENCE 2832{ 2833 resolution CHOICE 2834 { 2835 sqcif NULL, 2836 qcif NULL, 2837 cif NULL, 2838 cif4 NULL, 2839 cif16 NULL, 2840 ..., 2841 custom NULL 2842 }, 2843 bitRate INTEGER (1..19200), -- units 100 bit/s 2844 unrestrictedVector BOOLEAN, 2845 arithmeticCoding BOOLEAN, 2846 advancedPrediction BOOLEAN, 2847 pbFrames BOOLEAN, 2848 ..., 2849 2850 errorCompensation BOOLEAN, 2851 enhancementLayerInfo EnhancementLayerInfo OPTIONAL, 2852 h263Options H263Options OPTIONAL 2853} 2854 2855IS11172VideoMode ::=SEQUENCE 2856{ 2857 constrainedBitstream BOOLEAN, 2858 videoBitRate INTEGER(0..1073741823) OPTIONAL, -- units 2859 -- 400 bit/s 2860 vbvBufferSize INTEGER(0..262143) OPTIONAL, -- units 2861 -- 16 384 bits 2862 samplesPerLine INTEGER(0..16383) OPTIONAL, -- units 2863 -- samples/line 2864 linesPerFrame INTEGER(0..16383) OPTIONAL, -- units 2865 -- lines/frame 2866 pictureRate INTEGER(0..15) OPTIONAL, 2867 luminanceSampleRate INTEGER(0..4294967295) OPTIONAL, -- units 2868 -- samples/s 2869 ... 2870} 2871 2872-- ============================================================================= 2873-- Request mode definitions: Audio modes 2874-- ============================================================================= 2875 2876AudioMode ::=CHOICE 2877{ 2878 nonStandard NonStandardParameter, 2879 g711Alaw64k NULL, 2880 g711Alaw56k NULL, 2881 g711Ulaw64k NULL, 2882 g711Ulaw56k NULL, 2883 2884 g722-64k NULL, 2885 g722-56k NULL, 2886 g722-48k NULL, 2887 2888 g728 NULL, 2889 g729 NULL, 2890 g729AnnexA NULL, 2891 2892 g7231 CHOICE 2893 { 2894 noSilenceSuppressionLowRate NULL, 2895 noSilenceSuppressionHighRate NULL, 2896 silenceSuppressionLowRate NULL, 2897 silenceSuppressionHighRate NULL 2898 }, 2899 2900 is11172AudioMode IS11172AudioMode, 2901 is13818AudioMode IS13818AudioMode, 2902 2903 ..., 2904 g729wAnnexB INTEGER(1..256), 2905 g729AnnexAwAnnexB INTEGER(1..256), 2906 g7231AnnexCMode G7231AnnexCMode, 2907 gsmFullRate GSMAudioCapability, 2908 gsmHalfRate GSMAudioCapability, 2909 gsmEnhancedFullRate GSMAudioCapability, 2910 genericAudioMode GenericCapability, 2911 g729Extensions G729Extensions, 2912 vbd VBDMode 2913} 2914 2915IS11172AudioMode ::=SEQUENCE 2916{ 2917 audioLayer CHOICE 2918 { 2919 audioLayer1 NULL, 2920 audioLayer2 NULL, 2921 audioLayer3 NULL 2922 }, 2923 2924 audioSampling CHOICE 2925 { 2926 audioSampling32k NULL, 2927 audioSampling44k1 NULL, 2928 audioSampling48k NULL 2929 }, 2930 2931 multichannelType CHOICE 2932 { 2933 singleChannel NULL, 2934 twoChannelStereo NULL, 2935 twoChannelDual NULL 2936 }, 2937 2938 bitRate INTEGER (1..448), -- units kbit/s 2939 ... 2940} 2941 2942IS13818AudioMode ::=SEQUENCE 2943{ 2944 audioLayer CHOICE 2945 { 2946 audioLayer1 NULL, 2947 audioLayer2 NULL, 2948 audioLayer3 NULL 2949 }, 2950 2951 audioSampling CHOICE 2952 { 2953 audioSampling16k NULL, 2954 audioSampling22k05 NULL, 2955 audioSampling24k NULL, 2956 audioSampling32k NULL, 2957 audioSampling44k1 NULL, 2958 audioSampling48k NULL 2959 }, 2960 2961 multichannelType CHOICE 2962 { 2963 singleChannel NULL, 2964 twoChannelStereo NULL, 2965 twoChannelDual NULL, 2966 threeChannels2-1 NULL, 2967 threeChannels3-0 NULL, 2968 fourChannels2-0-2-0 NULL, 2969 fourChannels2-2 NULL, 2970 fourChannels3-1 NULL, 2971 fiveChannels3-0-2-0 NULL, 2972 fiveChannels3-2 NULL 2973 }, 2974 2975 lowFrequencyEnhancement BOOLEAN, 2976 2977 multilingual BOOLEAN, 2978 2979 bitRate INTEGER (1..1130), -- units kbit/s 2980 ... 2981} 2982 2983G7231AnnexCMode ::= SEQUENCE 2984{ 2985 maxAl-sduAudioFrames INTEGER (1..256), 2986 silenceSuppression BOOLEAN, 2987 g723AnnexCAudioMode SEQUENCE 2988 { 2989 highRateMode0 INTEGER (27..78), -- units octets 2990 highRateMode1 INTEGER (27..78), -- units octets 2991 lowRateMode0 INTEGER (23..66), -- units octets 2992 lowRateMode1 INTEGER (23..66), -- units octets 2993 sidMode0 INTEGER (6..17), -- units octets 2994 sidMode1 INTEGER (6..17), -- units octets 2995 ... 2996 }, 2997 ... 2998} 2999 3000VBDMode ::=SEQUENCE 3001{ 3002 type AudioMode, -- shall not be "vbd" 3003 ... 3004} 3005 3006-- ============================================================================= 3007-- Request mode definitions: Data modes 3008-- ============================================================================= 3009 3010DataMode ::=SEQUENCE 3011{ 3012 application CHOICE 3013 { 3014 nonStandard NonStandardParameter, 3015 t120 DataProtocolCapability, 3016 dsm-cc DataProtocolCapability, 3017 userData DataProtocolCapability, 3018 t84 DataProtocolCapability, 3019 t434 DataProtocolCapability, 3020 h224 DataProtocolCapability, 3021 nlpid SEQUENCE 3022 { 3023 nlpidProtocol DataProtocolCapability, 3024 nlpidData OCTET STRING 3025 }, 3026 dsvdControl NULL, 3027 h222DataPartitioning DataProtocolCapability, 3028 ..., 3029 t30fax DataProtocolCapability, 3030 t140 DataProtocolCapability, 3031 t38fax SEQUENCE 3032 { 3033 t38FaxProtocol DataProtocolCapability, 3034 t38FaxProfile T38FaxProfile 3035 }, 3036 genericDataMode GenericCapability 3037 3038 }, 3039 bitRate INTEGER (0..4294967295), -- units 100 bit/s 3040 ... 3041} 3042 3043-- ============================================================================= 3044-- Request mode definitions: Encryption modes 3045-- ============================================================================= 3046 3047EncryptionMode ::=CHOICE 3048{ 3049 nonStandard NonStandardParameter, 3050 h233Encryption NULL, 3051 ... 3052} 3053 3054-- ============================================================================= 3055-- Round Trip Delay definitions 3056-- ============================================================================= 3057 3058RoundTripDelayRequest ::=SEQUENCE 3059{ 3060 sequenceNumber SequenceNumber, 3061 ... 3062} 3063 3064RoundTripDelayResponse ::=SEQUENCE 3065{ 3066 sequenceNumber SequenceNumber, 3067 ... 3068} 3069 3070-- ============================================================================= 3071-- Maintenance Loop definitions 3072-- ============================================================================= 3073 3074MaintenanceLoopRequest ::=SEQUENCE 3075{ 3076 type CHOICE 3077 { 3078 systemLoop NULL, 3079 mediaLoop LogicalChannelNumber, 3080 logicalChannelLoop LogicalChannelNumber, 3081 ... 3082 }, 3083 ... 3084} 3085 3086MaintenanceLoopAck ::=SEQUENCE 3087{ 3088 type CHOICE 3089 { 3090 systemLoop NULL, 3091 mediaLoop LogicalChannelNumber, 3092 logicalChannelLoop LogicalChannelNumber, 3093 ... 3094 }, 3095 ... 3096} 3097 3098MaintenanceLoopReject ::=SEQUENCE 3099{ 3100 type CHOICE 3101 { 3102 systemLoop NULL, 3103 mediaLoop LogicalChannelNumber, 3104 logicalChannelLoop LogicalChannelNumber, 3105 ... 3106 }, 3107 cause CHOICE 3108 { 3109 canNotPerformLoop NULL, 3110 ... 3111 }, 3112 ... 3113} 3114 3115MaintenanceLoopOffCommand ::=SEQUENCE 3116{ 3117 ... 3118} 3119 3120-- ============================================================================= 3121-- Communication Mode definitions 3122-- ============================================================================= 3123 3124CommunicationModeCommand ::=SEQUENCE 3125{ 3126 communicationModeTable SET SIZE(1..256) OF CommunicationModeTableEntry, 3127 ... 3128} 3129 3130CommunicationModeRequest ::=SEQUENCE 3131{ 3132 ... 3133} 3134 3135CommunicationModeResponse ::=CHOICE 3136{ 3137 communicationModeTable SET SIZE(1..256) OF CommunicationModeTableEntry, 3138 ... 3139} 3140 3141CommunicationModeTableEntry ::=SEQUENCE 3142{ 3143 nonStandard SEQUENCE OF NonStandardParameter OPTIONAL, 3144 sessionID INTEGER(1..255), 3145 associatedSessionID INTEGER(1..255) OPTIONAL, 3146 3147 terminalLabel TerminalLabel OPTIONAL, -- if not present, 3148 -- it refers to 3149 -- all 3150 -- participants in 3151 -- the conference 3152 sessionDescription BMPString (SIZE(1..128)) , 3153 -- Basic ISO/IEC 10646 (Unicode) 3154 dataType CHOICE 3155 { 3156 videoData VideoCapability, 3157 audioData AudioCapability, 3158 data DataApplicationCapability, 3159 ... 3160 }, 3161 mediaChannel TransportAddress OPTIONAL, 3162 mediaGuaranteedDelivery BOOLEAN OPTIONAL, 3163 mediaControlChannel TransportAddress OPTIONAL, 3164 -- reverse RTCP channel 3165 mediaControlGuaranteedDelivery BOOLEAN OPTIONAL, 3166 ..., 3167 redundancyEncoding RedundancyEncoding OPTIONAL, 3168 sessionDependency INTEGER (1..255) OPTIONAL, 3169 destination TerminalLabel OPTIONAL 3170} 3171 3172-- ============================================================================= 3173-- Conference Request definitions 3174-- ============================================================================= 3175 3176ConferenceRequest ::=CHOICE 3177{ 3178 3179 terminalListRequest NULL, -- same as H.230 TCU (term->MC) 3180 3181 makeMeChair NULL, -- same as H.230 CCA (term->MC) 3182 cancelMakeMeChair NULL, -- same as H.230 CIS (term->MC) 3183 3184 dropTerminal TerminalLabel, -- same as H.230 CCD(term->MC) 3185 3186 requestTerminalID TerminalLabel, -- same as TCP (term->MC) 3187 3188 enterH243Password NULL, -- same as H.230 TCS1(MC->term) 3189 enterH243TerminalID NULL, -- same as H.230 TCS2/TCI 3190 -- (MC->term) 3191 enterH243ConferenceID NULL, -- same as H.230 TCS3 (MC->term) 3192 ..., 3193 enterExtensionAddress NULL, -- same as H.230 TCS4 (GW->term) 3194 requestChairTokenOwner NULL, -- same as H.230 TCA (term->MC) 3195 requestTerminalCertificate SEQUENCE 3196 { 3197 terminalLabel TerminalLabel OPTIONAL, 3198 certSelectionCriteria CertSelectionCriteria OPTIONAL, 3199 sRandom INTEGER (1..4294967295) OPTIONAL, 3200 -- this is the requester's challenge 3201 ... 3202 }, 3203 broadcastMyLogicalChannel LogicalChannelNumber, -- similar to H.230 MCV 3204 makeTerminalBroadcaster TerminalLabel, -- similar to H.230 VCB 3205 sendThisSource TerminalLabel, -- similar to H.230 VCS 3206 requestAllTerminalIDs NULL, 3207 remoteMCRequest RemoteMCRequest 3208} 3209 3210CertSelectionCriteria ::=SEQUENCE SIZE (1..16) OF Criteria 3211 3212Criteria ::=SEQUENCE 3213{ 3214 field OBJECT IDENTIFIER, -- may include 3215 -- certificate type 3216 value OCTET STRING (SIZE(1..65535)), 3217 ... 3218} 3219 3220TerminalLabel ::=SEQUENCE 3221{ 3222 mcuNumber McuNumber, 3223 terminalNumber TerminalNumber, 3224 ... 3225} 3226 3227McuNumber ::=INTEGER(0..192) 3228TerminalNumber ::=INTEGER(0..192) 3229 3230-- ============================================================================= 3231-- Conference Response definitions 3232-- ============================================================================= 3233 3234ConferenceResponse ::=CHOICE 3235{ 3236 mCTerminalIDResponse SEQUENCE -- response to TCP 3237 -- (same as TIP) 3238 { -- sent by MC only 3239 terminalLabel TerminalLabel, 3240 terminalID TerminalID, 3241 ... 3242 }, 3243 3244 terminalIDResponse SEQUENCE -- response to TCS2 or TCI 3245 { -- same as IIS 3246 terminalLabel TerminalLabel, -- (term->MC) 3247 terminalID TerminalID, 3248 ... 3249 }, 3250 3251 conferenceIDResponse SEQUENCE -- response to TCS3 3252 { -- same as IIS 3253 terminalLabel TerminalLabel, -- (term->MC) 3254 conferenceID ConferenceID, 3255 ... 3256 }, 3257 3258 passwordResponse SEQUENCE -- response to TCS1 3259 { -- same as IIS 3260 terminalLabel TerminalLabel, -- (term->MC) 3261 password Password, 3262 ... 3263 }, 3264 3265 terminalListResponse SET SIZE (1..256) OF TerminalLabel, 3266 3267 videoCommandReject NULL, -- same as H.230 VCR 3268 terminalDropReject NULL, -- same as H.230 CIR 3269 3270 makeMeChairResponse CHOICE -- same as H.230 CCR 3271 { 3272 grantedChairToken NULL, -- same as H.230 CIT 3273 deniedChairToken NULL, -- same as H.230 CCR 3274 ... 3275 }, 3276 ..., 3277 extensionAddressResponse SEQUENCE -- response to TCS4 3278 { 3279 extensionAddress TerminalID, -- same as IIS (term->GW) 3280 ... 3281 }, 3282 chairTokenOwnerResponse SEQUENCE -- response to TCA (same as TIR) 3283 -- sent by MC only 3284 { 3285 terminalLabel TerminalLabel, 3286 terminalID TerminalID, 3287 ... 3288 }, 3289 terminalCertificateResponse SEQUENCE 3290 { 3291 terminalLabel TerminalLabel OPTIONAL, 3292 certificateResponse OCTET STRING (SIZE(1..65535)) OPTIONAL, 3293 ... 3294 }, 3295 broadcastMyLogicalChannelResponse CHOICE 3296 { 3297 grantedBroadcastMyLogicalChannel NULL, -- similar to H.230 MVA 3298 deniedBroadcastMyLogicalChannel NULL, -- similar to H.230 MVR 3299 ... 3300 }, 3301 makeTerminalBroadcasterResponse CHOICE 3302 { 3303 grantedMakeTerminalBroadcaster NULL, 3304 deniedMakeTerminalBroadcaster NULL, 3305 ... 3306 }, 3307 sendThisSourceResponse CHOICE 3308 { 3309 grantedSendThisSource NULL, 3310 deniedSendThisSource NULL, 3311 ... 3312 }, 3313 requestAllTerminalIDsResponse RequestAllTerminalIDsResponse, 3314 remoteMCResponse RemoteMCResponse 3315} 3316 3317TerminalID ::=OCTET STRING (SIZE(1..128)) -- as per H.230 3318ConferenceID ::=OCTET STRING (SIZE(1..32)) 3319Password ::=OCTET STRING (SIZE(1..32)) 3320 3321RequestAllTerminalIDsResponse ::=SEQUENCE 3322{ 3323 terminalInformation SEQUENCE OF TerminalInformation, 3324 ... 3325} 3326 3327TerminalInformation ::=SEQUENCE 3328{ 3329 terminalLabel TerminalLabel, 3330 terminalID TerminalID, 3331 ... 3332} 3333 3334-- ============================================================================= 3335-- Remote MC Request definitions 3336-- ============================================================================= 3337 3338 RemoteMCRequest ::=CHOICE 3339 { 3340 masterActivate NULL, 3341 slaveActivate NULL, 3342 deActivate NULL, 3343 ... 3344 } 3345 3346 RemoteMCResponse ::=CHOICE 3347 { 3348 accept NULL, 3349 reject CHOICE 3350 { 3351 unspecified NULL, 3352 functionNotSupported NULL, 3353 ... 3354 }, 3355 ... 3356 } 3357 3358-- ============================================================================= 3359-- Multilink definitions 3360-- ============================================================================= 3361 3362MultilinkRequest ::=CHOICE 3363{ 3364 nonStandard NonStandardMessage, 3365 3366 callInformation SEQUENCE 3367 { 3368 maxNumberOfAdditionalConnections INTEGER (1..65535), 3369 ... 3370 }, 3371 3372 addConnection SEQUENCE 3373 { 3374 sequenceNumber SequenceNumber, -- Unique ID of request 3375 dialingInformation DialingInformation, 3376 ... 3377 }, 3378 3379 removeConnection SEQUENCE 3380 { 3381 connectionIdentifier ConnectionIdentifier, 3382 ... 3383 }, 3384 3385 maximumHeaderInterval SEQUENCE 3386 { 3387 requestType CHOICE 3388 { 3389 currentIntervalInformation NULL, 3390 requestedInterval INTEGER (0..65535), -- Max Header 3391 -- Interval, 3392 -- milliseconds 3393 ... 3394 }, 3395 ... 3396 }, 3397 ... 3398} 3399 3400MultilinkResponse ::=CHOICE 3401{ 3402 nonStandard NonStandardMessage, 3403 3404 callInformation SEQUENCE 3405 { 3406 dialingInformation DialingInformation, 3407 callAssociationNumber INTEGER (0..4294967295), 3408 ... 3409 }, 3410 3411 addConnection SEQUENCE 3412 { 3413 sequenceNumber SequenceNumber, -- Equal to value in request 3414 responseCode CHOICE 3415 { 3416 accepted NULL, 3417 rejected CHOICE 3418 { 3419 connectionsNotAvailable NULL, -- due to any technical reason 3420 userRejected NULL, 3421 ... 3422 }, 3423 ... 3424 }, 3425 ... 3426 }, 3427 3428 removeConnection SEQUENCE 3429 { 3430 connectionIdentifier ConnectionIdentifier, 3431 ... 3432 }, 3433 3434 maximumHeaderInterval SEQUENCE 3435 { 3436 currentInterval INTEGER (0..65535), -- Max Header 3437 -- Interval, 3438 -- milliseconds 3439 ... 3440 }, 3441 ... 3442} 3443 3444MultilinkIndication ::=CHOICE 3445{ 3446 nonStandard NonStandardMessage, 3447 3448 crcDesired SEQUENCE 3449 { 3450 ... 3451 }, 3452 3453 excessiveError SEQUENCE 3454 { 3455 connectionIdentifier ConnectionIdentifier, 3456 ... 3457 }, 3458 ... 3459} 3460 3461DialingInformation ::= CHOICE 3462{ 3463 nonStandard NonStandardMessage, 3464 3465 differential SET SIZE (1..65535) OF DialingInformationNumber, 3466 -- list of numbers for all additional 3467 -- channels; only least significant digits 3468 -- different from initial channel's number 3469 3470 infoNotAvailable INTEGER (1..65535), -- maximum No. of 3471 -- additional channels 3472 ... 3473} 3474 3475DialingInformationNumber ::= SEQUENCE 3476{ 3477 networkAddress NumericString (SIZE (0..40)), 3478 subAddress IA5String (SIZE (1..40)) OPTIONAL, 3479 networkType SET SIZE (1..255) OF DialingInformationNetworkType, 3480 ... 3481} 3482 3483DialingInformationNetworkType ::= CHOICE 3484{ 3485 nonStandard NonStandardMessage, 3486 n-isdn NULL, 3487 gstn NULL, 3488 ..., 3489 mobile NULL 3490} 3491 3492ConnectionIdentifier ::= SEQUENCE 3493{ 3494 channelTag INTEGER (0..4294967295), -- from H.226 3495 sequenceNumber INTEGER (0..4294967295), -- from H.226 3496 ... 3497} 3498 3499-- ============================================================================= 3500-- Logical channel bit-rate change definitions 3501-- ============================================================================= 3502 3503MaximumBitRate ::=INTEGER (0.. 4294967295) -- units of 100 bit/s 3504 3505LogicalChannelRateRequest ::=SEQUENCE 3506{ 3507 sequenceNumber SequenceNumber, 3508 logicalChannelNumber LogicalChannelNumber, 3509 maximumBitRate MaximumBitRate, 3510 ... 3511} 3512 3513LogicalChannelRateAcknowledge ::=SEQUENCE 3514{ 3515 sequenceNumber SequenceNumber, 3516 logicalChannelNumber LogicalChannelNumber, 3517 maximumBitRate MaximumBitRate, 3518 ... 3519} 3520 3521LogicalChannelRateReject ::=SEQUENCE 3522{ 3523 sequenceNumber SequenceNumber, 3524 logicalChannelNumber LogicalChannelNumber, 3525 rejectReason LogicalChannelRateRejectReason, 3526 currentMaximumBitRate MaximumBitRate OPTIONAL, 3527 ... 3528} 3529 3530LogicalChannelRateRejectReason ::=CHOICE 3531{ 3532 undefinedReason NULL, 3533 insufficientResources NULL, 3534 ... 3535} 3536 3537LogicalChannelRateRelease ::=SEQUENCE 3538{ 3539 ... 3540} 3541 3542 3543-- ============================================================================= 3544-- Command Message definitions 3545-- ============================================================================= 3546 3547-- ============================================================================= 3548-- Command Message: Send Terminal Capability Set 3549-- ============================================================================= 3550 3551SendTerminalCapabilitySet ::=CHOICE 3552{ 3553 specificRequest SEQUENCE 3554 { 3555 multiplexCapability BOOLEAN, 3556 3557 capabilityTableEntryNumbers SET SIZE (1..65535) OF 3558 CapabilityTableEntryNumber OPTIONAL, 3559 3560 capabilityDescriptorNumbers SET SIZE (1..256) OF 3561 CapabilityDescriptorNumber OPTIONAL, 3562 ... 3563 }, 3564 genericRequest NULL, 3565 ... 3566} 3567 3568-- ============================================================================= 3569-- Command Message: Encryption 3570-- ============================================================================= 3571 3572EncryptionCommand ::=CHOICE 3573{ 3574 encryptionSE OCTET STRING, -- per H.233, but no 3575 -- error protection 3576 encryptionIVRequest NULL, -- requests new IV 3577 encryptionAlgorithmID SEQUENCE 3578 { 3579 h233AlgorithmIdentifier SequenceNumber, 3580 associatedAlgorithm NonStandardParameter 3581 }, 3582 ... 3583} 3584 3585-- ============================================================================= 3586-- Command Message: Flow Control 3587-- ============================================================================= 3588 3589FlowControlCommand ::=SEQUENCE 3590{ 3591 scope CHOICE 3592 { 3593 logicalChannelNumber LogicalChannelNumber, 3594 resourceID INTEGER (0..65535), 3595 wholeMultiplex NULL 3596 }, 3597 restriction CHOICE 3598 { 3599 maximumBitRate INTEGER (0..16777215), -- units 100 bit/s 3600 noRestriction NULL 3601 }, 3602 ... 3603} 3604 3605-- ============================================================================= 3606-- Command Message: Change or End Session 3607-- ============================================================================= 3608 3609EndSessionCommand ::=CHOICE 3610{ 3611 nonStandard NonStandardParameter, 3612 3613 disconnect NULL, 3614 3615 gstnOptions CHOICE 3616 { 3617 telephonyMode NULL, 3618 v8bis NULL, 3619 v34DSVD NULL, 3620 v34DuplexFAX NULL, 3621 v34H324 NULL, 3622 ... 3623 }, 3624 3625 ..., 3626 isdnOptions CHOICE 3627 { 3628 telephonyMode NULL, 3629 v140 NULL, 3630 terminalOnHold NULL, 3631 ... 3632 }, 3633 genericInformation SEQUENCE OF GenericInformation 3634 -- generic information associated 3635 -- with the message 3636} 3637 3638-- ============================================================================= 3639-- Command Message: Conference Commands 3640-- ============================================================================= 3641 3642ConferenceCommand ::=CHOICE 3643{ 3644 broadcastMyLogicalChannel LogicalChannelNumber, -- similar to H.230 MCV 3645 cancelBroadcastMyLogicalChannel LogicalChannelNumber, -- similar to 3646 -- H.230 Cancel-MCV 3647 3648 makeTerminalBroadcaster TerminalLabel, -- same as H.230 VCB 3649 cancelMakeTerminalBroadcaster NULL, -- same as H.230 3650 -- Cancel-VCB 3651 3652 sendThisSource TerminalLabel, -- same as H.230 VCS 3653 cancelSendThisSource NULL, -- same as H.230 3654 -- cancel VCS 3655 3656 dropConference NULL, -- same as H.230 CCK 3657 ..., 3658 substituteConferenceIDCommand SubstituteConferenceIDCommand 3659} 3660 3661SubstituteConferenceIDCommand ::=SEQUENCE 3662{ 3663 conferenceIdentifier OCTET STRING (SIZE(16)), 3664 ... 3665} 3666 3667-- ============================================================================= 3668-- Command Message: Miscellaneous H.230-like commands 3669-- ============================================================================= 3670 3671EncryptionUpdateDirection ::= CHOICE 3672{ 3673 masterToSlave NULL, 3674 slaveToMaster NULL, 3675 ... 3676} 3677 3678MiscellaneousCommand ::=SEQUENCE 3679{ 3680 logicalChannelNumber LogicalChannelNumber, 3681 type CHOICE 3682 { 3683 equaliseDelay NULL, -- same as H.230 ACE 3684 zeroDelay NULL, -- same as H.230 ACZ 3685 multipointModeCommand NULL, 3686 cancelMultipointModeCommand NULL, 3687 videoFreezePicture NULL, 3688 videoFastUpdatePicture NULL, 3689 3690 videoFastUpdateGOB SEQUENCE 3691 { 3692 firstGOB INTEGER (0..17), 3693 numberOfGOBs INTEGER (1..18) 3694 }, 3695 3696 videoTemporalSpatialTradeOff INTEGER (0..31), -- commands a trade-off value 3697 3698 videoSendSyncEveryGOB NULL, 3699 videoSendSyncEveryGOBCancel NULL, 3700 3701 ..., 3702 videoFastUpdateMB SEQUENCE 3703 { 3704 firstGOB INTEGER (0..255) OPTIONAL, 3705 firstMB INTEGER (1..8192) OPTIONAL, 3706 numberOfMBs INTEGER (1..8192), 3707 ... 3708 }, 3709 maxH223MUXPDUsize INTEGER(1..65535), -- units octets 3710 encryptionUpdate EncryptionSync, 3711 encryptionUpdateRequest EncryptionUpdateRequest, 3712 switchReceiveMediaOff NULL, 3713 switchReceiveMediaOn NULL, 3714 3715 progressiveRefinementStart SEQUENCE 3716 { 3717 repeatCount CHOICE 3718 { 3719 doOneProgression NULL, 3720 doContinuousProgressions NULL, 3721 doOneIndependentProgression NULL, 3722 doContinuousIndependentProgressions NULL, 3723 ... 3724 }, 3725 ... 3726 }, 3727 progressiveRefinementAbortOne NULL, 3728 progressiveRefinementAbortContinuous NULL, 3729 3730 videoBadMBs SEQUENCE 3731 { 3732 firstMB INTEGER (1..9216), 3733 numberOfMBs INTEGER (1..9216), 3734 temporalReference INTEGER (0..1023), 3735 ... 3736 }, 3737 lostPicture SEQUENCE OF PictureReference, 3738 lostPartialPicture SEQUENCE 3739 { 3740 pictureReference PictureReference, 3741 firstMB INTEGER (1..9216), 3742 numberOfMBs INTEGER (1..9216), 3743 ... 3744 }, 3745 recoveryReferencePicture SEQUENCE OF PictureReference, 3746 encryptionUpdateCommand SEQUENCE -- for ack'ed key update in H.235V3 3747 { 3748 encryptionSync EncryptionSync, 3749 multiplePayloadStream MultiplePayloadStream OPTIONAL, 3750 ... 3751 }, 3752 encryptionUpdateAck SEQUENCE 3753 { 3754 synchFlag INTEGER (0..255), 3755 ... 3756 } 3757 }, 3758 3759 ..., 3760 direction EncryptionUpdateDirection OPTIONAL 3761} 3762 3763KeyProtectionMethod ::=SEQUENCE -- specify how the new 3764 -- key is to be protected 3765{ 3766 secureChannel BOOLEAN, 3767 sharedSecret BOOLEAN, 3768 certProtectedKey BOOLEAN, 3769 ... 3770} 3771 3772EncryptionUpdateRequest ::=SEQUENCE 3773{ 3774 keyProtectionMethod KeyProtectionMethod OPTIONAL, 3775 ..., 3776 synchFlag INTEGER (0..255) OPTIONAL 3777} 3778 3779PictureReference ::=CHOICE 3780{ 3781 pictureNumber INTEGER (0..1023), 3782 longTermPictureIndex INTEGER (0..255), 3783 ... 3784} 3785-- ============================================================================= 3786-- Command Message: H.223 Multiplex Reconfiguration 3787-- ============================================================================= 3788 3789H223MultiplexReconfiguration ::=CHOICE 3790{ 3791 h223ModeChange CHOICE 3792 { 3793 toLevel0 NULL, 3794 toLevel1 NULL, 3795 toLevel2 NULL, 3796 toLevel2withOptionalHeader NULL, 3797 ... 3798 }, 3799 3800 h223AnnexADoubleFlag CHOICE 3801 { 3802 start NULL, 3803 stop NULL, 3804 ... 3805 }, 3806 3807 ... 3808} 3809-- ============================================================================= 3810-- Command Message: New ATM virtual channel command 3811-- ============================================================================= 3812 3813NewATMVCCommand ::=SEQUENCE 3814{ 3815 resourceID INTEGER(0..65535), 3816 bitRate INTEGER(1..65535), -- units 64 kbit/s 3817 bitRateLockedToPCRClock BOOLEAN, 3818 bitRateLockedToNetworkClock BOOLEAN, 3819 aal CHOICE 3820 { 3821 aal1 SEQUENCE 3822 { 3823 clockRecovery CHOICE 3824 { 3825 nullClockRecovery NULL, 3826 srtsClockRecovery NULL, 3827 adaptiveClockRecovery NULL, 3828 ... 3829 }, 3830 errorCorrection CHOICE 3831 { 3832 nullErrorCorrection NULL, 3833 longInterleaver NULL, 3834 shortInterleaver NULL, 3835 errorCorrectionOnly NULL, 3836 ... 3837 }, 3838 structuredDataTransfer BOOLEAN, 3839 partiallyFilledCells BOOLEAN, 3840 ... 3841 }, 3842 aal5 SEQUENCE 3843 { 3844 forwardMaximumSDUSize INTEGER (0..65535), -- units octets 3845 backwardMaximumSDUSize INTEGER (0..65535), -- units octets 3846 ... 3847 }, 3848 ... 3849 }, 3850 multiplex CHOICE 3851 { 3852 noMultiplex NULL, 3853 transportStream NULL, 3854 programStream NULL, 3855 ... 3856 }, 3857 reverseParameters SEQUENCE 3858 { 3859 bitRate INTEGER(1..65535), -- units 64 kbit/s 3860 bitRateLockedToPCRClock BOOLEAN, 3861 bitRateLockedToNetworkClock BOOLEAN, 3862 multiplex CHOICE 3863 { 3864 noMultiplex NULL, 3865 transportStream NULL, 3866 programStream NULL, 3867 ... 3868 }, 3869 ... 3870 }, 3871 ... 3872} 3873 3874-- ============================================================================= 3875-- Command Message: Mobile Multilink Reconfiguration command 3876-- ============================================================================= 3877 3878MobileMultilinkReconfigurationCommand ::=SEQUENCE 3879{ 3880 sampleSize INTEGER (1..255), 3881 samplesPerFrame INTEGER (1..255), 3882 status CHOICE 3883 { 3884 synchronized NULL, 3885 reconfiguration NULL, 3886 ... 3887 }, 3888 ... 3889} 3890-- ============================================================================= 3891-- Indication Message definitions 3892-- ============================================================================= 3893 3894-- ============================================================================= 3895-- Indication Message: Function not understood 3896-- ============================================================================= 3897 3898-- This is used to return a request, response or command that is not understood 3899 3900FunctionNotUnderstood ::=CHOICE 3901{ 3902 request RequestMessage, 3903 response ResponseMessage, 3904 command CommandMessage 3905} 3906 3907-- ============================================================================= 3908-- Indication Message: Function not Supported 3909-- ============================================================================= 3910 3911-- This is used to return a complete request, response or command that is not 3912-- recognized 3913 3914FunctionNotSupported ::=SEQUENCE 3915{ 3916 cause CHOICE 3917 { 3918 syntaxError NULL, 3919 semanticError NULL, 3920 unknownFunction NULL, 3921 ... 3922 }, 3923 returnedFunction OCTET STRING OPTIONAL, 3924 ... 3925} 3926 3927-- ============================================================================= 3928-- Indication Message: Conference 3929-- ============================================================================= 3930 3931ConferenceIndication ::=CHOICE 3932{ 3933 sbeNumber INTEGER (0..9), -- same as H.230 SBE Number 3934 3935 terminalNumberAssign TerminalLabel, -- same as H.230 TIA 3936 3937 terminalJoinedConference TerminalLabel, -- same as H.230 TIN 3938 3939 terminalLeftConference TerminalLabel, -- same as H.230 TID 3940 3941 seenByAtLeastOneOther NULL, -- same as H.230 MIV 3942 cancelSeenByAtLeastOneOther NULL, -- same as H.230 cancel MIV 3943 3944 seenByAll NULL, -- like H.230 MIV 3945 cancelSeenByAll NULL, -- like H.230 MIV 3946 3947 terminalYouAreSeeing TerminalLabel, -- same as H.230 VIN 3948 3949 requestForFloor NULL, -- same as H.230 TIF 3950 3951 ..., 3952 withdrawChairToken NULL, -- same as H.230 CCR MC-> chair 3953 floorRequested TerminalLabel, -- same as H.230 TIF MC-> chair 3954 terminalYouAreSeeingInSubPictureNumber TerminalYouAreSeeingInSubPictureNumber, 3955 videoIndicateCompose VideoIndicateCompose, 3956 masterMCU NULL, -- same as H.230 MIM 3957 cancelMasterMCU NULL -- same as H.230 cancel MIM 3958} 3959 3960TerminalYouAreSeeingInSubPictureNumber ::= SEQUENCE 3961{ 3962 terminalNumber TerminalNumber, 3963 subPictureNumber INTEGER (0..255), 3964 ..., 3965 mcuNumber McuNumber 3966} 3967 3968VideoIndicateCompose ::= SEQUENCE 3969{ 3970 compositionNumber INTEGER (0..255), 3971 ... 3972} 3973 3974-- ============================================================================= 3975-- Indication Message: Miscellaneous H.230-like indication 3976-- ============================================================================= 3977 3978MiscellaneousIndication ::=SEQUENCE 3979{ 3980 logicalChannelNumber LogicalChannelNumber, 3981 type CHOICE 3982 { 3983 logicalChannelActive NULL, -- same as H.230 AIA and VIA 3984 logicalChannelInactive NULL, -- same as H.230 AIM and VIS 3985 3986 multipointConference NULL, 3987 cancelMultipointConference NULL, 3988 3989 multipointZeroComm NULL, -- same as H.230 MIZ 3990 cancelMultipointZeroComm NULL, -- same as H.230 cancel MIZ 3991 3992 multipointSecondaryStatus NULL, -- same as H.230 MIS 3993 cancelMultipointSecondaryStatus NULL, -- same as H.230 cancel MIS 3994 3995 videoIndicateReadyToActivate NULL, -- same as H.230 VIR 3996 3997 videoTemporalSpatialTradeOff INTEGER (0..31), -- indicates current 3998 -- trade-off 3999 4000 ..., 4001 videoNotDecodedMBs SEQUENCE 4002 { 4003 firstMB INTEGER (1..8192), 4004 numberOfMBs INTEGER (1..8192), 4005 temporalReference INTEGER (0..255), 4006 ... 4007 }, 4008 transportCapability TransportCapability 4009 }, 4010 ... 4011} 4012 4013-- ============================================================================= 4014-- Indication Message: Jitter Indication 4015-- ============================================================================= 4016 4017JitterIndication ::=SEQUENCE 4018{ 4019 scope CHOICE 4020 { 4021 logicalChannelNumber LogicalChannelNumber, 4022 resourceID INTEGER (0..65535), 4023 wholeMultiplex NULL 4024 }, 4025 estimatedReceivedJitterMantissa INTEGER (0..3), 4026 estimatedReceivedJitterExponent INTEGER (0..7), 4027 skippedFrameCount INTEGER (0..15) OPTIONAL, 4028 additionalDecoderBuffer INTEGER (0..262143) OPTIONAL, 4029 -- 262143 is 2^18 - 1 4030 ... 4031} 4032 4033-- ============================================================================= 4034-- Indication Message: H.223 logical channel skew 4035-- ============================================================================= 4036 4037H223SkewIndication ::=SEQUENCE 4038{ 4039 logicalChannelNumber1 LogicalChannelNumber, 4040 logicalChannelNumber2 LogicalChannelNumber, 4041 skew INTEGER (0..4095), -- units milliseconds 4042 ... 4043} 4044 4045-- ============================================================================= 4046-- Indication Message: H.225.0 maximum logical channel skew 4047-- ============================================================================= 4048 4049H2250MaximumSkewIndication ::=SEQUENCE 4050{ 4051 logicalChannelNumber1 LogicalChannelNumber, 4052 logicalChannelNumber2 LogicalChannelNumber, 4053 maximumSkew INTEGER (0..4095), -- units milliseconds 4054 ... 4055} 4056 4057-- ============================================================================= 4058-- Indication Message: MC Location Indication 4059-- ============================================================================= 4060 4061MCLocationIndication ::=SEQUENCE 4062{ 4063 signalAddress TransportAddress, -- this is the 4064 -- H.323 Call Signalling 4065 -- address of the entity 4066 -- which contains the MC 4067 ... 4068} 4069 4070-- ============================================================================= 4071-- Indication Message: Vendor Identification 4072-- ============================================================================= 4073 4074 VendorIdentification ::=SEQUENCE 4075 { 4076 vendor NonStandardIdentifier, 4077 productNumber OCTET STRING (SIZE(1..256)) OPTIONAL, 4078 -- per vendor 4079 versionNumber OCTET STRING (SIZE(1..256)) OPTIONAL, 4080 -- per productNumber 4081 ... 4082 } 4083 4084 4085-- ============================================================================= 4086-- Indication Message: New ATM virtual channel indication 4087-- ============================================================================= 4088 4089NewATMVCIndication ::=SEQUENCE 4090{ 4091 resourceID INTEGER(0..65535), 4092 bitRate INTEGER(1..65535), -- units 64 kbit/s 4093 bitRateLockedToPCRClock BOOLEAN, 4094 bitRateLockedToNetworkClock BOOLEAN, 4095 aal CHOICE 4096 { 4097 aal1 SEQUENCE 4098 { 4099 clockRecovery CHOICE 4100 { 4101 nullClockRecovery NULL, 4102 srtsClockRecovery NULL, 4103 adaptiveClockRecovery NULL, 4104 ... 4105 }, 4106 errorCorrection CHOICE 4107 { 4108 nullErrorCorrection NULL, 4109 longInterleaver NULL, 4110 shortInterleaver NULL, 4111 errorCorrectionOnly NULL, 4112 ... 4113 }, 4114 structuredDataTransfer BOOLEAN, 4115 partiallyFilledCells BOOLEAN, 4116 ... 4117 }, 4118 aal5 SEQUENCE 4119 { 4120 forwardMaximumSDUSize INTEGER (0..65535), -- units octets 4121 backwardMaximumSDUSize INTEGER (0..65535), -- units octets 4122 ... 4123 }, 4124 ... 4125 }, 4126 multiplex CHOICE 4127 { 4128 noMultiplex NULL, 4129 transportStream NULL, 4130 programStream NULL, 4131 ... 4132 }, 4133 ..., 4134 reverseParameters SEQUENCE 4135 { 4136 bitRate INTEGER(1..65535), -- units 64 kbit/s 4137 bitRateLockedToPCRClock BOOLEAN, 4138 bitRateLockedToNetworkClock BOOLEAN, 4139 multiplex CHOICE 4140 { 4141 noMultiplex NULL, 4142 transportStream NULL, 4143 programStream NULL, 4144 ... 4145 }, 4146 ... 4147 } 4148} 4149 4150-- ============================================================================= 4151-- Indication Message: User input 4152-- ============================================================================= 4153 4154IV8 ::= OCTET STRING (SIZE(8)) 4155 -- initial value for 4156 -- 64-bit block ciphers 4157IV16 ::= OCTET STRING (SIZE(16)) 4158 -- initial value for 4159 -- 128-bit block ciphers 4160 4161Params ::= SEQUENCE 4162{ 4163 iv8 IV8 OPTIONAL, -- 8-octet initialization vector 4164 iv16 IV16 OPTIONAL, -- 16-octet initialization vector 4165 iv OCTET STRING OPTIONAL, -- arbitrary length 4166 -- initialization vector 4167 ... 4168} 4169 4170UserInputIndication ::=CHOICE 4171{ 4172 nonStandard NonStandardParameter, 4173 alphanumeric GeneralString, 4174 ..., 4175 userInputSupportIndication CHOICE 4176 { 4177 nonStandard NonStandardParameter, 4178 basicString NULL, -- indicates unsecured basic string 4179 iA5String NULL, -- indicates unsecured IA5 string 4180 generalString NULL, -- indicates unsecured general string 4181 ..., 4182 encryptedBasicString NULL, -- indicates encrypted Basic string 4183 encryptedIA5String NULL, -- indicates encrypted IA5 string 4184 encryptedGeneralString NULL -- indicates encrypted general string 4185 }, 4186 signal SEQUENCE 4187 { 4188 signalType IA5String (SIZE (1) ^ FROM ("0123456789#*ABCD!")), 4189 -- holds dummy "!" if encryptedSignalType 4190 -- is being used 4191 duration INTEGER (1..65535) OPTIONAL, 4192 -- milliseconds 4193 rtp SEQUENCE 4194 { 4195 timestamp INTEGER (0..4294967295) OPTIONAL, 4196 expirationTime INTEGER (0..4294967295) OPTIONAL, 4197 logicalChannelNumber LogicalChannelNumber, 4198 ... 4199 } OPTIONAL, 4200 ..., 4201 rtpPayloadIndication NULL OPTIONAL, 4202 paramS Params OPTIONAL, -- any "runtime" parameters 4203 encryptedSignalType OCTET STRING (SIZE(1)) OPTIONAL, 4204 -- encrypted signalType 4205 algorithmOID OBJECT IDENTIFIER OPTIONAL 4206 }, 4207 signalUpdate SEQUENCE 4208 { 4209 duration INTEGER (1..65535), -- milliseconds 4210 rtp SEQUENCE 4211 { 4212 logicalChannelNumber LogicalChannelNumber, 4213 ... 4214 } OPTIONAL, 4215 ... 4216 }, 4217 extendedAlphanumeric SEQUENCE 4218 { 4219 alphanumeric GeneralString, -- holds empty string if 4220 -- encryptedAlphanumeric is 4221 -- being used 4222 rtpPayloadIndication NULL OPTIONAL, 4223 ..., 4224 encryptedAlphanumeric SEQUENCE 4225 { 4226 algorithmOID OBJECT IDENTIFIER, 4227 paramS Params OPTIONAL, -- any "runtime" parameters 4228 encrypted OCTET STRING, -- general string encrypted 4229 ... 4230 } OPTIONAL 4231 }, 4232 encryptedAlphanumeric SEQUENCE 4233 { 4234 algorithmOID OBJECT IDENTIFIER, 4235 paramS Params OPTIONAL, -- any "runtime" parameters 4236 encrypted OCTET STRING, -- basic string encrypted 4237 ... 4238 }, genericInformation SEQUENCE OF GenericInformation 4239 -- generic information associated 4240 -- with the message 4241} 4242 4243-- ============================================================================= 4244-- Indication Message: Flow Control 4245-- ============================================================================= 4246 4247FlowControlIndication ::=SEQUENCE 4248{ 4249 scope CHOICE 4250 { 4251 logicalChannelNumber LogicalChannelNumber, 4252 resourceID INTEGER (0..65535), 4253 wholeMultiplex NULL 4254 }, 4255 restriction CHOICE 4256 { 4257 maximumBitRate INTEGER (0..16777215), -- units 100 bit/s 4258 noRestriction NULL 4259 }, 4260 ... 4261} 4262 4263-- ============================================================================= 4264-- Indication Message: Mobile Multilink Reconfiguration indication 4265-- ============================================================================= 4266 4267MobileMultilinkReconfigurationIndication ::=SEQUENCE 4268{ 4269 sampleSize INTEGER (1..255), 4270 samplesPerFrame INTEGER (1..255), 4271 ... 4272} 4273 4274END 4275 4276