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 49-- A ResponseMessage is the response to a request Message 50 51ResponseMessage ::=CHOICE 52{ 53 nonStandard NonStandardMessage, 54 55 masterSlaveDeterminationAck MasterSlaveDeterminationAck, 56 masterSlaveDeterminationReject MasterSlaveDeterminationReject, 57 58 terminalCapabilitySetAck TerminalCapabilitySetAck, 59 terminalCapabilitySetReject TerminalCapabilitySetReject, 60 61 openLogicalChannelAck OpenLogicalChannelAck, 62 openLogicalChannelReject OpenLogicalChannelReject, 63 closeLogicalChannelAck CloseLogicalChannelAck, 64 65 requestChannelCloseAck RequestChannelCloseAck, 66 requestChannelCloseReject RequestChannelCloseReject, 67 68 multiplexEntrySendAck MultiplexEntrySendAck, 69 multiplexEntrySendReject MultiplexEntrySendReject, 70 71 requestMultiplexEntryAck RequestMultiplexEntryAck, 72 requestMultiplexEntryReject RequestMultiplexEntryReject, 73 74 requestModeAck RequestModeAck, 75 requestModeReject RequestModeReject, 76 77 roundTripDelayResponse RoundTripDelayResponse, 78 79 maintenanceLoopAck MaintenanceLoopAck, 80 maintenanceLoopReject MaintenanceLoopReject, 81 82 ..., 83 communicationModeResponse CommunicationModeResponse, 84 85 conferenceResponse ConferenceResponse 86 87 88} 89 90-- A CommandMessage requires action, but no explicit response 91 92CommandMessage ::=CHOICE 93{ 94 nonStandard NonStandardMessage, 95 96 maintenanceLoopOffCommand MaintenanceLoopOffCommand, 97 98 sendTerminalCapabilitySet SendTerminalCapabilitySet, 99 100 encryptionCommand EncryptionCommand, 101 102 flowControlCommand FlowControlCommand, 103 104 endSessionCommand EndSessionCommand, 105 106 miscellaneousCommand MiscellaneousCommand, 107 108 ..., 109 communicationModeCommand CommunicationModeCommand, 110 111 conferenceCommand ConferenceCommand, 112 113 h223MultiplexReconfiguration H223MultiplexReconfiguration 114 115} 116 117-- An IndicationMessage is information that does not require action or response 118 119IndicationMessage ::=CHOICE 120{ 121 nonStandard NonStandardMessage, 122 123 functionNotUnderstood FunctionNotUnderstood, 124 125 masterSlaveDeterminationRelease MasterSlaveDeterminationRelease, 126 127 terminalCapabilitySetRelease TerminalCapabilitySetRelease, 128 129 openLogicalChannelConfirm OpenLogicalChannelConfirm, 130 131 requestChannelCloseRelease RequestChannelCloseRelease, 132 133 multiplexEntrySendRelease MultiplexEntrySendRelease, 134 135 requestMultiplexEntryRelease RequestMultiplexEntryRelease, 136 137 requestModeRelease RequestModeRelease, 138 139 miscellaneousIndication MiscellaneousIndication, 140 141 jitterIndication JitterIndication, 142 143 h223SkewIndication H223SkewIndication, 144 145 newATMVCIndication NewATMVCIndication, 146 147 userInput UserInputIndication, 148 ..., 149 h2250MaximumSkewIndication H2250MaximumSkewIndication, 150 151 mcLocationIndication MCLocationIndication, 152 153 conferenceIndication ConferenceIndication, 154 155 vendorIdentification VendorIdentification, 156 157 functionNotSupported FunctionNotSupported 158 159} 160 161-- SequenceNumber is defined here as it is used in a number of Messages 162SequenceNumber ::=INTEGER (0..255) 163 164-- =================================================================================== 165-- Non standard Message definitions 166-- =================================================================================== 167 168NonStandardMessage ::=SEQUENCE 169{ 170 nonStandardData NonStandardParameter, 171 ... 172} 173 174NonStandardParameter ::=SEQUENCE 175{ 176 nonStandardIdentifier NonStandardIdentifier, 177 data OCTET STRING 178} 179 180NonStandardIdentifier ::=CHOICE 181{ 182 object OBJECT IDENTIFIER, 183 h221NonStandard SEQUENCE 184 { 185 t35CountryCode INTEGER (0..255), -- country, per T.35 186 t35Extension INTEGER (0..255), -- assigned nationally 187 manufacturerCode INTEGER (0..65535) -- assigned nationally 188 } 189} 190 191-- =================================================================================== 192-- Master-slave determination definitions 193-- =================================================================================== 194 195MasterSlaveDetermination ::=SEQUENCE 196{ 197 terminalType INTEGER (0..255), 198 statusDeterminationNumber INTEGER (0..16777215), 199 ... 200} 201 202MasterSlaveDeterminationAck ::=SEQUENCE 203{ 204 decision CHOICE 205 { 206 master NULL, 207 slave NULL 208 }, 209 ... 210} 211 212MasterSlaveDeterminationReject ::=SEQUENCE 213{ 214 cause CHOICE 215 { 216 identicalNumbers NULL, 217 ... 218 }, 219 ... 220} 221 222MasterSlaveDeterminationRelease ::=SEQUENCE 223{ 224 ... 225} 226 227 -- =================================================================================== 228-- Capability exchange definitions 229-- =================================================================================== 230 231TerminalCapabilitySet ::=SEQUENCE 232{ 233 sequenceNumber SequenceNumber, 234 235 protocolIdentifier OBJECT IDENTIFIER, 236 -- shall be set to the value 237 -- {itu-t (0) recommendation (0) h (8) 245 version (0) 3} 238 239 240 multiplexCapability MultiplexCapability OPTIONAL, 241 242 capabilityTable SET SIZE (1..256) OF CapabilityTableEntry OPTIONAL, 243 244 capabilityDescriptors SET SIZE (1..256) OF CapabilityDescriptor OPTIONAL, 245 246 ... 247} 248 249CapabilityTableEntry ::=SEQUENCE 250{ 251 capabilityTableEntryNumber CapabilityTableEntryNumber, 252 capability Capability OPTIONAL 253} 254 255CapabilityDescriptor ::=SEQUENCE 256{ 257 capabilityDescriptorNumber CapabilityDescriptorNumber, 258 simultaneousCapabilities SET SIZE (1..256) OF AlternativeCapabilitySet OPTIONAL 259} 260 261AlternativeCapabilitySet ::=SEQUENCE SIZE (1..256) OF CapabilityTableEntryNumber 262 263CapabilityTableEntryNumber ::=INTEGER (1..65535) 264 265CapabilityDescriptorNumber ::=INTEGER (0..255) 266 267TerminalCapabilitySetAck ::=SEQUENCE 268{ 269 sequenceNumber SequenceNumber, 270 ... 271} 272 273TerminalCapabilitySetReject ::=SEQUENCE 274{ 275 sequenceNumber SequenceNumber, 276 cause CHOICE 277 { 278 unspecified NULL, 279 undefinedTableEntryUsed NULL, 280 descriptorCapacityExceeded NULL, 281 tableEntryCapacityExceeded CHOICE 282 { 283 highestEntryNumberProcessed CapabilityTableEntryNumber, 284 noneProcessed NULL 285 }, 286 ... 287 }, 288 ... 289} 290 291TerminalCapabilitySetRelease ::=SEQUENCE 292{ 293 ... 294} 295 296-- =================================================================================== 297-- Capability exchange definitions: top level capability description 298-- =================================================================================== 299 300Capability ::=CHOICE 301{ 302 nonStandard NonStandardParameter, 303 304 receiveVideoCapability VideoCapability, 305 transmitVideoCapability VideoCapability, 306 receiveAndTransmitVideoCapability VideoCapability, 307 308 receiveAudioCapability AudioCapability, 309 transmitAudioCapability AudioCapability, 310 receiveAndTransmitAudioCapability AudioCapability, 311 312 receiveDataApplicationCapability DataApplicationCapability, 313 transmitDataApplicationCapability DataApplicationCapability, 314 receiveAndTransmitDataApplicationCapability DataApplicationCapability, 315 316 h233EncryptionTransmitCapability BOOLEAN, 317 h233EncryptionReceiveCapability SEQUENCE 318 { 319 h233IVResponseTime INTEGER (0..255), -- units milliseconds 320 ... 321 }, 322 ..., 323 conferenceCapability ConferenceCapability, 324 h235SecurityCapability H235SecurityCapability, 325 maxPendingReplacementFor INTEGER (0..255), 326 receiveUserInputCapability UserInputCapability, 327 transmitUserInputCapability UserInputCapability, 328 receiveAndTransmitUserInputCapability UserInputCapability 329 330} 331 332H235SecurityCapability ::=SEQUENCE 333{ 334 encryptionAuthenticationAndIntegrity EncryptionAuthenticationAndIntegrity, 335 336 mediaCapability CapabilityTableEntryNumber, 337 -- Note: the mediaCapability shall refer to Capability Table Entries that do contain a transmit, 338 -- receive, or receiveAndTransmit AudioCapability, VideoCapability, 339 -- DataApplicationCapability, or similar capability indicated by a NonStandardParameter only 340 341 ... 342} 343 344-- =================================================================================== 345-- Capability exchange definitions: Multiplex capabilities 346-- =================================================================================== 347 348MultiplexCapability ::=CHOICE 349{ 350 nonStandard NonStandardParameter, 351 h222Capability H222Capability, 352 h223Capability H223Capability, 353 v76Capability V76Capability, 354 ..., 355 h2250Capability H2250Capability 356 357} 358 359H222Capability ::= SEQUENCE 360{ 361 numberOfVCs INTEGER (1..256), 362 vcCapability SET OF VCCapability, 363 ... 364} 365 366VCCapability ::=SEQUENCE 367{ 368 aal1 SEQUENCE 369 { 370 nullClockRecovery BOOLEAN, 371 srtsClockRecovery BOOLEAN, 372 adaptiveClockRecovery BOOLEAN, 373 nullErrorCorrection BOOLEAN, 374 longInterleaver BOOLEAN, 375 shortInterleaver BOOLEAN, 376 errorCorrectionOnly BOOLEAN, 377 structuredDataTransfer BOOLEAN, 378 partiallyFilledCells BOOLEAN, 379 ... 380 } OPTIONAL, 381 aal5 SEQUENCE 382 { 383 forwardMaximumSDUSize INTEGER (0..65535), -- units octets 384 backwardMaximumSDUSize INTEGER (0..65535), -- units octets 385 ... 386 } OPTIONAL, 387 transportStream BOOLEAN, 388 programStream BOOLEAN, 389 availableBitRates SEQUENCE 390 { 391 type CHOICE 392 { 393 singleBitRate INTEGER (1..65535), -- units 64 kbit/s 394 rangeOfBitRates SEQUENCE 395 { 396 lowerBitRate INTEGER (1..65535), -- units 64 kbit/s 397 higherBitRate INTEGER (1..65535) -- units 64 kbit/s 398 } 399 }, 400 ... 401 }, 402 ... 403} 404 405H223Capability ::=SEQUENCE 406{ 407 transportWithI-frames BOOLEAN, -- I-frame transport of H.245 408 409 videoWithAL1 BOOLEAN, 410 videoWithAL2 BOOLEAN, 411 videoWithAL3 BOOLEAN, 412 audioWithAL1 BOOLEAN, 413 audioWithAL2 BOOLEAN, 414 audioWithAL3 BOOLEAN, 415 dataWithAL1 BOOLEAN, 416 dataWithAL2 BOOLEAN, 417 dataWithAL3 BOOLEAN, 418 419 maximumAl2SDUSize INTEGER (0..65535), -- units octets 420 maximumAl3SDUSize INTEGER (0..65535), -- units octets 421 422 maximumDelayJitter INTEGER (0..1023), -- units milliseconds 423 424 h223MultiplexTableCapability CHOICE 425 { 426 basic NULL, 427 enhanced SEQUENCE 428 { 429 maximumNestingDepth INTEGER (1..15), 430 maximumElementListSize INTEGER (2..255), 431 maximumSubElementListSize INTEGER (2..255), 432 ... 433 } 434 }, 435 ..., 436 maxMUXPDUSizeCapability BOOLEAN, 437 nsrpSupport BOOLEAN, 438 mobileOperationTransmitCapability SEQUENCE 439 { 440 modeChangeCapability BOOLEAN, 441 h223AnnexA BOOLEAN, 442 h223AnnexADoubleFlag BOOLEAN, 443 h223AnnexB BOOLEAN, 444 h223AnnexBwithHeader BOOLEAN, 445 ... 446 } OPTIONAL, 447 h223AnnexCCapability H223AnnexCCapability OPTIONAL 448 449} 450 451H223AnnexCCapability ::= SEQUENCE 452{ 453 videoWithAL1M BOOLEAN, 454 videoWithAL2M BOOLEAN, 455 videoWithAL3M BOOLEAN, 456 audioWithAL1M BOOLEAN, 457 audioWithAL2M BOOLEAN, 458 audioWithAL3M BOOLEAN, 459 dataWithAL1M BOOLEAN, 460 dataWithAL2M BOOLEAN, 461 dataWithAL3M BOOLEAN, 462 alpduInterleaving BOOLEAN, 463 464 maximumAL1MPDUSize INTEGER (0..65535), -- units octets 465 maximumAL2MSDUSize INTEGER (0..65535), -- units octets 466 maximumAL3MSDUSize INTEGER (0..65535), -- units octets 467 ... 468} 469 470V76Capability ::=SEQUENCE 471{ 472 suspendResumeCapabilitywAddress BOOLEAN, 473 suspendResumeCapabilitywoAddress BOOLEAN, 474 rejCapability BOOLEAN, 475 sREJCapability BOOLEAN, 476 mREJCapability BOOLEAN, 477 crc8bitCapability BOOLEAN, 478 crc16bitCapability BOOLEAN, 479 crc32bitCapability BOOLEAN, 480 uihCapability BOOLEAN, 481 numOfDLCS INTEGER (2..8191), 482 twoOctetAddressFieldCapability BOOLEAN, 483 loopBackTestCapability BOOLEAN, 484 n401Capability INTEGER (1..4095), 485 maxWindowSizeCapability INTEGER (1..127), 486 v75Capability V75Capability, 487 ... 488} 489 490V75Capability ::=SEQUENCE 491{ 492 audioHeader BOOLEAN, 493 ... 494} 495 496H2250Capability ::=SEQUENCE 497{ 498 maximumAudioDelayJitter INTEGER(0..1023), -- units in milliseconds 499 receiveMultipointCapability MultipointCapability, 500 transmitMultipointCapability MultipointCapability, 501 receiveAndTransmitMultipointCapability MultipointCapability, 502 mcCapability SEQUENCE 503 { 504 centralizedConferenceMC BOOLEAN, 505 decentralizedConferenceMC BOOLEAN, 506 ... 507 }, 508 rtcpVideoControlCapability BOOLEAN, -- FIR and NACK 509 mediaPacketizationCapability MediaPacketizationCapability, 510 ..., 511 transportCapability TransportCapability OPTIONAL, 512 redundancyEncodingCapability SEQUENCE SIZE(1..256) OF RedundancyEncodingCapability OPTIONAL, 513 logicalChannelSwitchingCapability BOOLEAN, 514 t120DynamicPortCapability BOOLEAN 515 516} 517 518MediaPacketizationCapability ::=SEQUENCE 519{ 520 h261aVideoPacketization BOOLEAN, 521 ..., 522 rtpPayloadType SEQUENCE SIZE(1..256) OF RTPPayloadType OPTIONAL 523} 524 525RSVPParameters ::=SEQUENCE 526{ 527 qosMode QOSMode OPTIONAL, 528 tokenRate INTEGER (1..4294967295) OPTIONAL, 529 -- rate in bytes/sec 530 bucketSize INTEGER (1..4294967295) OPTIONAL, -- size in bytes 531 peakRate INTEGER (1..4294967295) OPTIONAL, 532 -- peak bandwidth bytes/sec 533 minPoliced INTEGER (1..4294967295) OPTIONAL, -- 534 maxPktSize INTEGER (1..4294967295) OPTIONAL, -- size in bytes 535 ... 536} 537 538QOSMode ::=CHOICE 539{ 540 guaranteedQOS NULL, 541 controlledLoad NULL, 542 ... 543} 544 545-- Ed. Replace with ITU-T ATM Transfer Capability Types 546ATMParameters ::=SEQUENCE 547{ 548 maxNTUSize INTEGER(0..65535), --units in octets 549 atmUBR BOOLEAN, --unspecified bit rate 550 atmrtVBR BOOLEAN, --real time variable bit rate 551 atmnrtVBR BOOLEAN, --non real time variable bit rate 552 atmABR BOOLEAN, --available bit rate 553 atmCBR BOOLEAN, --constant bit rate 554 ... 555} 556 557QOSCapability ::=SEQUENCE 558{ 559 nonStandardData NonStandardParameter OPTIONAL, 560 rsvpParameters RSVPParameters OPTIONAL, 561 atmParameters ATMParameters OPTIONAL, 562 ... 563} 564 565MediaTransportType ::=CHOICE 566{ 567 ip-UDP NULL, 568 ip-TCP NULL, 569 atm-AAL5-UNIDIR NULL, -- virtual circuits used as unidirectional 570 atm-AAL5-BIDIR NULL, -- virtual circuits used as bidirectional 571 ... 572} 573 574MediaChannelCapability ::=SEQUENCE 575{ 576 mediaTransport MediaTransportType OPTIONAL, 577 ... 578} 579 580TransportCapability ::=SEQUENCE 581{ 582 nonStandard NonStandardParameter OPTIONAL, 583 qOSCapabilities SEQUENCE SIZE(1..256) OF QOSCapability OPTIONAL, 584 mediaChannelCapabilities SEQUENCE SIZE(1..256) OF MediaChannelCapability OPTIONAL, 585 ... 586} 587 588RedundancyEncodingCapability ::=SEQUENCE 589{ 590 redundancyEncodingMethod RedundancyEncodingMethod, 591 primaryEncoding CapabilityTableEntryNumber, 592 secondaryEncoding SEQUENCE SIZE(1..256) OF CapabilityTableEntryNumber OPTIONAL, 593 ... 594} 595 596RedundancyEncodingMethod ::=CHOICE 597{ 598 nonStandard NonStandardParameter, 599 rtpAudioRedundancyEncoding NULL, 600 ..., 601 rtpH263VideoRedundancyEncoding RTPH263VideoRedundancyEncoding 602} 603 604RTPH263VideoRedundancyEncoding ::= SEQUENCE 605{ 606 numberOfThreads INTEGER (1..16), 607 framesBetweenSyncPoints INTEGER (1..256), 608 frameToThreadMapping CHOICE 609 { 610 roundrobin NULL, 611 custom SEQUENCE SIZE(1..256) OF 612 RTPH263VideoRedundancyFrameMapping, 613-- empty SEQUENCE for capability negotiation 614-- meaningful contents only OpenLogicalChannel 615 ... 616 }, 617 containedThreads SEQUENCE SIZE(1..256) OF INTEGER (0..15) OPTIONAL, 618 -- only used for opening of logical channels 619 ... 620} 621 622RTPH263VideoRedundancyFrameMapping ::= SEQUENCE 623{ 624 threadNumber INTEGER (0..15), 625 frameSequence SEQUENCE SIZE(1..256) OF INTEGER (0..255), 626 ... 627} 628 629MultipointCapability ::=SEQUENCE 630{ 631 multicastCapability BOOLEAN, 632 multiUniCastConference BOOLEAN, 633 mediaDistributionCapability SEQUENCE OF MediaDistributionCapability, 634 ... 635} 636 637MediaDistributionCapability ::=SEQUENCE 638{ 639 centralizedControl BOOLEAN, 640 distributedControl BOOLEAN, -- for further study in H.323 641 centralizedAudio BOOLEAN, 642 distributedAudio BOOLEAN, 643 centralizedVideo BOOLEAN, 644 distributedVideo BOOLEAN, 645 centralizedData SEQUENCE OF DataApplicationCapability OPTIONAL, 646 distributedData SEQUENCE OF DataApplicationCapability OPTIONAL, 647 -- for further study in H.323 648 ... 649} 650 651 652 653-- =================================================================================== 654-- Capability exchange definitions: Video capabilities 655-- =================================================================================== 656 657VideoCapability ::=CHOICE 658{ 659 nonStandard NonStandardParameter , 660 h261VideoCapability H261VideoCapability, 661 h262VideoCapability H262VideoCapability, 662 h263VideoCapability H263VideoCapability, 663 is11172VideoCapability IS11172VideoCapability, 664 ... 665} 666 667H261VideoCapability ::=SEQUENCE 668{ 669 qcifMPI INTEGER (1..4) OPTIONAL, -- units 1/29.97 Hz 670 cifMPI INTEGER (1..4) OPTIONAL, -- units 1/29.97 Hz 671 temporalSpatialTradeOffCapability BOOLEAN, 672 maxBitRate INTEGER (1..19200), -- units of 100 bit/s 673 stillImageTransmission BOOLEAN, -- Annex D of H.261 674 ... 675} 676 677H262VideoCapability ::=SEQUENCE 678{ 679 profileAndLevel-SPatML BOOLEAN, 680 profileAndLevel-MPatLL BOOLEAN, 681 profileAndLevel-MPatML BOOLEAN, 682 profileAndLevel-MPatH-14 BOOLEAN, 683 profileAndLevel-MPatHL BOOLEAN, 684 profileAndLevel-SNRatLL BOOLEAN, 685 profileAndLevel-SNRatML BOOLEAN, 686 profileAndLevel-SpatialatH-14 BOOLEAN, 687 profileAndLevel-HPatML BOOLEAN, 688 profileAndLevel-HPatH-14 BOOLEAN, 689 profileAndLevel-HPatHL BOOLEAN, 690 videoBitRate INTEGER (0.. 1073741823) OPTIONAL, -- units 400 bit/s 691 vbvBufferSize INTEGER (0.. 262143) OPTIONAL, -- units 16384 bits 692 samplesPerLine INTEGER (0..16383) OPTIONAL, -- units samples/line 693 linesPerFrame INTEGER (0..16383) OPTIONAL, -- units lines/frame 694 framesPerSecond INTEGER (0..15) OPTIONAL, -- frame_rate_code 695 luminanceSampleRate INTEGER (0..4294967295) OPTIONAL, -- units samples/sec 696 ... 697} 698 699H263VideoCapability ::=SEQUENCE 700{ 701 sqcifMPI INTEGER (1..32) OPTIONAL, -- units 1/29.97 Hz 702 qcifMPI INTEGER (1..32) OPTIONAL, -- units 1/29.97 Hz 703 cifMPI INTEGER (1..32) OPTIONAL, -- units 1/29.97 Hz 704 cif4MPI INTEGER (1..32) OPTIONAL, -- units 1/29.97 Hz 705 cif16MPI INTEGER (1..32) OPTIONAL, -- units 1/29.97 Hz 706 maxBitRate INTEGER (1..192400), -- units 100 bit/s 707 unrestrictedVector BOOLEAN, 708 arithmeticCoding BOOLEAN, 709 advancedPrediction BOOLEAN, 710 pbFrames BOOLEAN, 711 temporalSpatialTradeOffCapability BOOLEAN, 712 hrd-B INTEGER (0..524287) OPTIONAL, -- units 128 bits 713 bppMaxKb INTEGER (0..65535) OPTIONAL, -- units 1024 bits 714 ..., 715 716 slowSqcifMPI INTEGER (1..3600) OPTIONAL, -- units seconds/frame 717 slowQcifMPI INTEGER (1..3600) OPTIONAL, --units seconds/frame 718 slowCifMPI INTEGER (1..3600) OPTIONAL, --units seconds/frame 719 slowCif4MPI INTEGER (1..3600) OPTIONAL, --units seconds/frame 720 slowCif16MPI INTEGER (1..3600) OPTIONAL, --units seconds/frame 721 errorCompensation BOOLEAN, 722 723 enhancementLayerInfo EnhancementLayerInfo OPTIONAL, 724 h263Options H263Options OPTIONAL 725 726} 727 728EnhancementLayerInfo ::=SEQUENCE 729{ 730 baseBitRateConstrained BOOLEAN, 731 snrEnhancement SET SIZE(1..14) OF EnhancementOptions OPTIONAL, 732 spatialEnhancement SET SIZE(1..14) OF EnhancementOptions OPTIONAL, 733 bPictureEnhancement SET SIZE(1..14) OF BEnhancementParameters OPTIONAL, 734 ... 735} 736 737BEnhancementParameters ::=SEQUENCE 738{ 739 enhancementOptions EnhancementOptions, 740 numberOfBPictures INTEGER (1..64), 741 ... 742} 743 744EnhancementOptions ::=SEQUENCE 745{ 746 sqcifMPI INTEGER (1..32) OPTIONAL, -- units 1/29.97 Hz 747 qcifMPI INTEGER (1..32) OPTIONAL, -- units 1/29.97 Hz 748 cifMPI INTEGER (1..32) OPTIONAL, -- units 1/29.97 Hz 749 cif4MPI INTEGER (1..32) OPTIONAL, -- units 1/29.97 Hz 750 cif16MPI INTEGER (1..32) OPTIONAL, -- units 1/29.97 Hz 751 maxBitRate INTEGER (1..192400), -- units 100 bit/s 752 unrestrictedVector BOOLEAN, 753 arithmeticCoding BOOLEAN, 754 temporalSpatialTradeOffCapability BOOLEAN, 755 slowSqcifMPI INTEGER (1..3600) OPTIONAL, -- units econds/frame 756 slowQcifMPI INTEGER (1..3600) OPTIONAL, --units seconds/frame 757 slowCifMPI INTEGER (1..3600) OPTIONAL, --units seconds/frame 758 slowCif4MPI INTEGER (1..3600) OPTIONAL, --units seconds/frame 759 slowCif16MPI INTEGER (1..3600) OPTIONAL, --units seconds/frame 760 errorCompensation BOOLEAN, 761 h263Options H263Options OPTIONAL, 762 ... 763} 764 765H263Options ::= SEQUENCE 766{ 767 advancedIntraCodingMode BOOLEAN, 768 deblockingFilterMode BOOLEAN, 769 improvedPBFramesMode BOOLEAN, 770 771 unlimitedMotionVectors BOOLEAN, 772 773 fullPictureFreeze BOOLEAN, 774 partialPictureFreezeAndRelease BOOLEAN, 775 resizingPartPicFreezeAndRelease BOOLEAN, 776 fullPictureSnapshot BOOLEAN, 777 partialPictureSnapshot BOOLEAN, 778 videoSegmentTagging BOOLEAN, 779 progressiveRefinement BOOLEAN, 780 781 dynamicPictureResizingByFour BOOLEAN, 782 dynamicPictureResizingSixteenthPel BOOLEAN, 783 dynamicWarpingHalfPel BOOLEAN, 784 dynamicWarpingSixteenthPel BOOLEAN, 785 786 independentSegmentDecoding BOOLEAN, 787 788 slicesInOrder-NonRect BOOLEAN, 789 slicesInOrder-Rect BOOLEAN, 790 slicesNoOrder-NonRect BOOLEAN, 791 slicesNoOrder-Rect BOOLEAN, 792 793 alternateInterVLCMode BOOLEAN, 794 modifiedQuantizationMode BOOLEAN, 795 reducedResolutionUpdate BOOLEAN, 796 797 transparencyParameters TransparencyParameters OPTIONAL, 798 separateVideoBackChannel BOOLEAN, 799 refPictureSelection RefPictureSelection OPTIONAL, 800 customPictureClockFrequency SET SIZE (1..16) OF CustomPictureClockFrequency OPTIONAL, 801 customPictureFormat SET SIZE (1..16) OF CustomPictureFormat OPTIONAL, 802 modeCombos SET SIZE (1..16) OF H263VideoModeCombos OPTIONAL, 803 ... 804} 805 806TransparencyParameters ::= SEQUENCE 807{ 808 presentationOrder INTEGER(1..256), 809 offset-x INTEGER(-262144..262143), -- 1/8 pixels 810 offset-y INTEGER(-262144..262143), -- 1/8 pixels 811 scale-x INTEGER(1..255), 812 scale-y INTEGER(1..255), 813 ... 814} 815 816RefPictureSelection ::=SEQUENCE 817{ 818 additionalPictureMemory SEQUENCE 819 { 820 sqcifAdditionalPictureMemory INTEGER (1..256) OPTIONAL, -- units frame 821 qcifAdditionalPictureMemory INTEGER (1..256) OPTIONAL, -- units frame 822 cifAdditionalPictureMemory INTEGER (1..256) OPTIONAL, -- units frame 823 cif4AdditionalPictureMemory INTEGER (1..256) OPTIONAL, -- units frame 824 cif16AdditionalPictureMemory INTEGER (1..256) OPTIONAL, -- units frame 825 bigCpfAdditionalPictureMemory INTEGER (1..256) OPTIONAL, -- units frame 826 ... 827 } OPTIONAL, 828 videoMux BOOLEAN, 829 videoBackChannelSend CHOICE 830 { 831 none NULL, 832 ackMessageOnly NULL, 833 nackMessageOnly NULL, 834 ackOrNackMessageOnly NULL, 835 ackAndNackMessage NULL, 836 ... 837 }, 838 ... 839} 840 841CustomPictureClockFrequency ::=SEQUENCE 842{ 843 clockConversionCode INTEGER(1000..1001), 844 clockDivisor INTEGER(1..127), 845 sqcifMPI INTEGER (1..2048) OPTIONAL, 846 qcifMPI INTEGER (1..2048) OPTIONAL, 847 cifMPI INTEGER (1..2048) OPTIONAL, 848 cif4MPI INTEGER (1..2048) OPTIONAL, 849 cif16MPI INTEGER (1..2048) OPTIONAL, 850 ... 851} 852 853CustomPictureFormat ::=SEQUENCE 854{ 855 maxCustomPictureWidth INTEGER(1..2048), -- units 4 pixels 856 maxCustomPictureHeight INTEGER(1..2048), -- units 4 pixels 857 minCustomPictureWidth INTEGER(1..2048), -- units 4 pixels 858 minCustomPictureHeight INTEGER(1..2048), -- units 4 pixels 859 mPI SEQUENCE 860 { 861 standardMPI INTEGER (1..31) OPTIONAL, 862 customPCF SET SIZE (1..16) OF SEQUENCE 863 { 864 clockConversionCode INTEGER (1000..1001), 865 clockDivisor INTEGER (1..127), 866 customMPI INTEGER (1..2048), 867 ... 868 } OPTIONAL, 869 ... 870 }, 871 872 pixelAspectInformation CHOICE 873 { 874 anyPixelAspectRatio BOOLEAN, 875 pixelAspectCode SET SIZE (1..14) OF INTEGER(1..14), 876 extendedPAR SET SIZE (1..256) OF SEQUENCE 877 { 878 width INTEGER(1..255), 879 height INTEGER(1..255), 880 ... 881 }, 882 ... 883 } , 884 ... 885} 886 887H263VideoModeCombos ::= SEQUENCE 888{ 889 h263VideoUncoupledModes H263ModeComboFlags, 890 h263VideoCoupledModes SET SIZE (1..16) OF H263ModeComboFlags, 891 ... 892} 893 894H263ModeComboFlags ::= SEQUENCE 895{ 896 unrestrictedVector BOOLEAN, 897 arithmeticCoding BOOLEAN, 898 advancedPrediction BOOLEAN, 899 pbFrames BOOLEAN, 900 advancedIntraCodingMode BOOLEAN, 901 deblockingFilterMode BOOLEAN, 902 unlimitedMotionVectors BOOLEAN, 903 slicesInOrder-NonRect BOOLEAN, 904 slicesInOrder-Rect BOOLEAN, 905 slicesNoOrder-NonRect BOOLEAN, 906 slicesNoOrder-Rect BOOLEAN, 907 improvedPBFramesMode BOOLEAN, 908 referencePicSelect BOOLEAN, 909 dynamicPictureResizingByFour BOOLEAN, 910 dynamicPictureResizingSixteenthPel BOOLEAN, 911 dynamicWarpingHalfPel BOOLEAN, 912 dynamicWarpingSixteenthPel BOOLEAN, 913 reducedResolutionUpdate BOOLEAN, 914 independentSegmentDecoding BOOLEAN, 915 alternateInterVLCMode BOOLEAN, 916 modifiedQuantizationMode BOOLEAN, 917 ... 918} 919 920IS11172VideoCapability ::=SEQUENCE 921{ 922 constrainedBitstream BOOLEAN, 923 videoBitRate INTEGER (0.. 1073741823) OPTIONAL, -- units 400 bit/s 924 vbvBufferSize INTEGER (0.. 262143) OPTIONAL, -- units 16384 bits 925 samplesPerLine INTEGER (0..16383) OPTIONAL, -- units samples/line 926 linesPerFrame INTEGER (0..16383) OPTIONAL, -- units lines/frame 927 pictureRate INTEGER (0..15) OPTIONAL, 928 luminanceSampleRate INTEGER (0..4294967295) OPTIONAL, -- units samples/sec 929 ... 930} 931 932-- =================================================================================== 933-- Capability exchange definitions: Audio capabilities 934-- =================================================================================== 935 936-- For an H.222 multiplex, the integers indicate the size of the STD buffer in units of 256 octets 937-- For an H.223 multiplex, the integers indicate the maximum number of audio frames per AL-SDU 938-- For an H.225.0 multiplex, the integers indicate the maximum number of audio frames per packet 939 940AudioCapability ::=CHOICE 941{ 942 nonStandard NonStandardParameter, 943 g711Alaw64k INTEGER (1..256), 944 g711Alaw56k INTEGER (1..256), 945 g711Ulaw64k INTEGER (1..256), 946 g711Ulaw56k INTEGER (1..256), 947 948 g722-64k INTEGER (1..256), 949 g722-56k INTEGER (1..256), 950 g722-48k INTEGER (1..256), 951 952 g7231 SEQUENCE 953 { 954 maxAl-sduAudioFrames INTEGER (1..256), 955 silenceSuppression BOOLEAN 956 }, 957 958 g728 INTEGER (1..256), 959 g729 INTEGER (1..256), 960 g729AnnexA INTEGER (1..256), 961 is11172AudioCapability IS11172AudioCapability, 962 is13818AudioCapability IS13818AudioCapability, 963 ..., 964 g729wAnnexB INTEGER(1..256), 965 g729AnnexAwAnnexB INTEGER(1..256), 966 g7231AnnexCCapability G7231AnnexCCapability, 967 gsmFullRate GSMAudioCapability, 968 gsmHalfRate GSMAudioCapability, 969 gsmEnhancedFullRate GSMAudioCapability 970} 971 972G7231AnnexCCapability ::= SEQUENCE 973{ 974 maxAl-sduAudioFrames INTEGER (1..256), 975 silenceSuppression BOOLEAN, 976 g723AnnexCAudioMode SEQUENCE 977 { 978 highRateMode0 INTEGER (27..78), -- units octets 979 highRateMode1 INTEGER (27..78), -- units octets 980 lowRateMode0 INTEGER (23..66), -- units octets 981 lowRateMode1 INTEGER (23..66), -- units octets 982 sidMode0 INTEGER (6..17), -- units octets 983 sidMode1 INTEGER (6..17), -- units octets 984 ... 985 } OPTIONAL, 986 ... 987} 988 989IS11172AudioCapability ::=SEQUENCE 990{ 991 audioLayer1 BOOLEAN, 992 audioLayer2 BOOLEAN, 993 audioLayer3 BOOLEAN, 994 995 audioSampling32k BOOLEAN, 996 audioSampling44k1 BOOLEAN, 997 audioSampling48k BOOLEAN, 998 999 singleChannel BOOLEAN, 1000 twoChannels BOOLEAN, 1001 1002 bitRate INTEGER (1..448), -- units kbit/s 1003 ... 1004} 1005 1006IS13818AudioCapability ::=SEQUENCE 1007{ 1008 audioLayer1 BOOLEAN, 1009 audioLayer2 BOOLEAN, 1010 audioLayer3 BOOLEAN, 1011 1012 audioSampling16k BOOLEAN, 1013 audioSampling22k05 BOOLEAN, 1014 audioSampling24k BOOLEAN, 1015 audioSampling32k BOOLEAN, 1016 audioSampling44k1 BOOLEAN, 1017 audioSampling48k BOOLEAN, 1018 1019 singleChannel BOOLEAN, 1020 twoChannels BOOLEAN, 1021 threeChannels2-1 BOOLEAN, 1022 threeChannels3-0 BOOLEAN, 1023 fourChannels2-0-2-0 BOOLEAN, 1024 fourChannels2-2 BOOLEAN, 1025 fourChannels3-1 BOOLEAN, 1026 fiveChannels3-0-2-0 BOOLEAN, 1027 fiveChannels3-2 BOOLEAN, 1028 1029 lowFrequencyEnhancement BOOLEAN, 1030 1031 multilingual BOOLEAN, 1032 1033 bitRate INTEGER (1..1130), -- units kbit/s 1034 ... 1035} 1036 1037GSMAudioCapability ::= SEQUENCE 1038{ 1039 audioUnitSize INTEGER (1..256), 1040 comfortNoise BOOLEAN, 1041 scrambled BOOLEAN, 1042 ... 1043} 1044 1045-- =================================================================================== 1046-- Capability exchange definitions: Data capabilities 1047-- =================================================================================== 1048 1049DataApplicationCapability ::=SEQUENCE 1050{ 1051 application CHOICE 1052 { 1053 nonStandard NonStandardParameter, 1054 t120 DataProtocolCapability, 1055 dsm-cc DataProtocolCapability, 1056 userData DataProtocolCapability, 1057 t84 SEQUENCE 1058 { 1059 t84Protocol DataProtocolCapability, 1060 t84Profile T84Profile 1061 }, 1062 t434 DataProtocolCapability, 1063 h224 DataProtocolCapability, 1064 nlpid SEQUENCE 1065 { 1066 nlpidProtocol DataProtocolCapability, 1067 nlpidData OCTET STRING 1068 }, 1069 dsvdControl NULL, 1070 h222DataPartitioning DataProtocolCapability, 1071 ..., 1072 t30fax DataProtocolCapability, 1073 t140 DataProtocolCapability 1074 }, 1075 maxBitRate INTEGER (0..4294967295), -- units 100 bit/s 1076 ... 1077} 1078 1079DataProtocolCapability ::=CHOICE 1080{ 1081 nonStandard NonStandardParameter, 1082 v14buffered NULL, 1083 v42lapm NULL, -- may negotiate to V.42bis 1084 hdlcFrameTunnelling NULL, 1085 h310SeparateVCStack NULL, 1086 h310SingleVCStack NULL, 1087 transparent NULL, 1088 ..., 1089 segmentationAndReassembly NULL, 1090 hdlcFrameTunnelingwSAR NULL, 1091 v120 NULL, -- as in H.230 1092 separateLANStack NULL, 1093 v76wCompression CHOICE 1094 { 1095 transmitCompression CompressionType, 1096 receiveCompression CompressionType, 1097 transmitAndReceiveCompression CompressionType, 1098 ... 1099 } 1100} 1101 1102CompressionType ::=CHOICE 1103{ 1104 v42bis V42bis, 1105 ... 1106} 1107 1108V42bis ::=SEQUENCE 1109{ 1110 numberOfCodewords INTEGER (1..65536), 1111 maximumStringLength INTEGER (1..256), 1112 ... 1113} 1114 1115T84Profile ::=CHOICE 1116{ 1117 t84Unrestricted NULL, 1118 t84Restricted SEQUENCE 1119 { 1120 qcif BOOLEAN, 1121 cif BOOLEAN, 1122 ccir601Seq BOOLEAN, 1123 ccir601Prog BOOLEAN, 1124 hdtvSeq BOOLEAN, 1125 hdtvProg BOOLEAN, 1126 1127 g3FacsMH200x100 BOOLEAN, 1128 g3FacsMH200x200 BOOLEAN, 1129 g4FacsMMR200x100 BOOLEAN, 1130 g4FacsMMR200x200 BOOLEAN, 1131 jbig200x200Seq BOOLEAN, 1132 jbig200x200Prog BOOLEAN, 1133 jbig300x300Seq BOOLEAN, 1134 jbig300x300Prog BOOLEAN, 1135 1136 digPhotoLow BOOLEAN, 1137 digPhotoMedSeq BOOLEAN, 1138 digPhotoMedProg BOOLEAN, 1139 digPhotoHighSeq BOOLEAN, 1140 digPhotoHighProg BOOLEAN, 1141 1142 ... 1143 } 1144} 1145 1146-- =================================================================================== 1147-- Encryption Capability Definitions: 1148-- =================================================================================== 1149 1150EncryptionAuthenticationAndIntegrity ::=SEQUENCE 1151{ 1152 encryptionCapability EncryptionCapability OPTIONAL, 1153 authenticationCapability AuthenticationCapability OPTIONAL, 1154 integrityCapability IntegrityCapability OPTIONAL, 1155 ... 1156} 1157 1158EncryptionCapability ::=SEQUENCE SIZE(1..256) OF MediaEncryptionAlgorithm 1159 1160MediaEncryptionAlgorithm ::=CHOICE 1161{ 1162 nonStandard NonStandardParameter, 1163 algorithm OBJECT IDENTIFIER, -- many defined in ISO/IEC 9979 1164 ... 1165} 1166 1167AuthenticationCapability ::=SEQUENCE 1168{ 1169 nonStandard NonStandardParameter OPTIONAL, 1170 ... 1171} 1172 1173IntegrityCapability ::=SEQUENCE 1174{ 1175 nonStandard NonStandardParameter OPTIONAL, 1176 ... 1177} 1178 1179-- ================================================================================ 1180-- Capability Exchange Definitions: UserInput 1181-- ================================================================================ 1182 1183UserInputCapability ::= CHOICE 1184{ 1185 nonStandard SEQUENCE SIZE(1..16) OF NonStandardParameter, 1186 basicString NULL, -- alphanumeric 1187 iA5String NULL, -- alphanumeric 1188 generalString NULL, -- alphanumeric 1189 dtmf NULL, -- supports dtmf using signal and signalUpdate 1190 hookflash NULL, -- supports hookflash using signal 1191 ... 1192} 1193 1194-- =================================================================================== 1195-- Capability Exchange Definitions: Conference 1196-- =================================================================================== 1197 1198ConferenceCapability ::=SEQUENCE 1199{ 1200 nonStandardData SEQUENCE OF NonStandardParameter OPTIONAL, 1201 chairControlCapability BOOLEAN, 1202 ... 1203} 1204 -- =================================================================================== 1205-- Logical channel signalling definitions 1206-- =================================================================================== 1207 1208-- "Forward" is used to refer to transmission in the direction from the terminal making the 1209-- original request for a logical channel to the other terminal, and "reverse" is used to refer 1210-- to the opposite direction of transmission, in the case of a bi-directional channel request. 1211 1212OpenLogicalChannel ::=SEQUENCE 1213{ 1214 forwardLogicalChannelNumber LogicalChannelNumber, 1215 1216 forwardLogicalChannelParameters SEQUENCE 1217 { 1218 portNumber INTEGER (0..65535) OPTIONAL, 1219 dataType DataType, 1220 multiplexParameters CHOICE 1221 { 1222 h222LogicalChannelParameters H222LogicalChannelParameters, 1223 h223LogicalChannelParameters H223LogicalChannelParameters, 1224 v76LogicalChannelParameters V76LogicalChannelParameters, 1225 ..., 1226 h2250LogicalChannelParameters H2250LogicalChannelParameters, 1227 none NULL -- for use with Separate Stack when 1228 -- multiplexParameters are not required 1229 -- or appropriate 1230 1231 }, 1232 ..., 1233 forwardLogicalChannelDependency LogicalChannelNumber OPTIONAL, 1234 -- also used to refer to the primary logical channel when using video redundancy coding 1235 replacementFor LogicalChannelNumber OPTIONAL 1236 1237 }, 1238 1239 -- Used to specify the reverse channel for bi-directional open request 1240 1241 reverseLogicalChannelParameters SEQUENCE 1242 { 1243 dataType DataType, 1244 multiplexParameters CHOICE 1245 { 1246 -- H.222 parameters are never present in reverse direction 1247 h223LogicalChannelParameters H223LogicalChannelParameters, 1248 v76LogicalChannelParameters V76LogicalChannelParameters, 1249 ..., 1250 h2250LogicalChannelParameters H2250LogicalChannelParameters 1251 1252 } OPTIONAL, -- Not present for H.222 1253 ..., 1254 reverseLogicalChannelDependency LogicalChannelNumber OPTIONAL, 1255 -- also used to refer to the primary logical channel when using video redundancy coding 1256 replacementFor LogicalChannelNumber OPTIONAL 1257 1258 } OPTIONAL, -- Not present for uni-directional channel request 1259 ..., 1260 separateStack NetworkAccessParameters OPTIONAL, 1261 -- for Open responder to establish the stack 1262 encryptionSync EncryptionSync OPTIONAL -- used only by Master 1263 1264 1265} 1266 1267LogicalChannelNumber ::=INTEGER (1..65535) 1268 1269NetworkAccessParameters ::=SEQUENCE 1270{ 1271 distribution CHOICE 1272 { 1273 unicast NULL, 1274 multicast NULL, -- For Further Study in T.120 1275 ... 1276 } OPTIONAL, 1277 1278 networkAddress CHOICE 1279 { 1280 q2931Address Q2931Address, 1281 e164Address IA5String(SIZE(1..128)) (FROM ("0123456789#*,")), 1282 localAreaAddress TransportAddress, 1283 ... 1284 }, 1285 associateConference BOOLEAN, 1286 externalReference OCTET STRING(SIZE(1..255)) OPTIONAL, 1287 ..., 1288 t120SetupProcedure CHOICE 1289 { 1290 1291 originateCall NULL, 1292 waitForCall NULL, 1293 issueQuery NULL, 1294 ... 1295 } OPTIONAL 1296} 1297 1298Q2931Address ::=SEQUENCE 1299{ 1300 address CHOICE 1301 { 1302 internationalNumber NumericString(SIZE(1..16)), 1303 nsapAddress OCTET STRING (SIZE(1..20)), 1304 ... 1305 }, 1306 subaddress OCTET STRING (SIZE(1..20)) OPTIONAL, 1307 ... 1308} 1309 1310V75Parameters ::= SEQUENCE 1311{ 1312 audioHeaderPresent BOOLEAN, 1313 ... 1314} 1315 1316 1317DataType ::=CHOICE 1318{ 1319 nonStandard NonStandardParameter, 1320 nullData NULL, 1321 videoData VideoCapability, 1322 audioData AudioCapability, 1323 data DataApplicationCapability, 1324 encryptionData EncryptionMode, 1325 ..., 1326 h235Control NonStandardParameter, 1327 h235Media H235Media 1328} 1329 1330H235Media ::=SEQUENCE 1331{ 1332 encryptionAuthenticationAndIntegrity EncryptionAuthenticationAndIntegrity, 1333 1334 mediaType CHOICE 1335 { 1336 nonStandard NonStandardParameter, 1337 videoData VideoCapability, 1338 audioData AudioCapability, 1339 data DataApplicationCapability, 1340 ... 1341 }, 1342 1343 ... 1344} 1345 1346H222LogicalChannelParameters ::=SEQUENCE 1347{ 1348 resourceID INTEGER (0..65535), 1349 subChannelID INTEGER (0..8191), 1350 pcr-pid INTEGER (0..8191) OPTIONAL, 1351 programDescriptors OCTET STRING OPTIONAL, 1352 streamDescriptors OCTET STRING OPTIONAL, 1353 ... 1354} 1355 1356H223LogicalChannelParameters ::=SEQUENCE 1357{ 1358 adaptationLayerType CHOICE 1359 { 1360 nonStandard NonStandardParameter, 1361 al1Framed NULL, 1362 al1NotFramed NULL, 1363 al2WithoutSequenceNumbers NULL, 1364 al2WithSequenceNumbers NULL, 1365 al3 SEQUENCE 1366 { 1367 controlFieldOctets INTEGER (0..2), 1368 sendBufferSize INTEGER (0..16777215) -- units octets 1369 }, 1370 ..., 1371 al1M H223AL1MParameters, 1372 al2M H223AL2MParameters, 1373 al3M H223AL3MParameters 1374 }, 1375 1376 segmentableFlag BOOLEAN, 1377 ... 1378} 1379 1380H223AL1MParameters ::=SEQUENCE 1381{ 1382 transferMode CHOICE 1383 { 1384 framed NULL, 1385 unframed NULL, 1386 ... 1387 }, 1388 headerFEC CHOICE 1389 { 1390 sebch16-7 NULL, 1391 golay24-12 NULL, 1392 ... 1393 }, 1394 crcLength CHOICE 1395 { 1396 crc4bit NULL, 1397 crc12bit NULL, 1398 crc20bit NULL, 1399 crc28bit NULL, 1400 ... 1401 }, 1402 1403 rcpcCodeRate INTEGER (8..32), 1404 1405 arqType CHOICE 1406 { 1407 noArq NULL, 1408 typeIArq H223AnnexCArqParameters, 1409 typeIIArq H223AnnexCArqParameters, 1410 ... 1411 }, 1412 alpduInterleaving BOOLEAN, 1413 alsduSplitting BOOLEAN, 1414 ... 1415} 1416 1417H223AL2MParameters ::=SEQUENCE 1418{ 1419 headerFEC CHOICE 1420 { 1421 sebch16-5 NULL, 1422 golay24-12 NULL, 1423 ... 1424 }, 1425 alpduInterleaving BOOLEAN, 1426 ... 1427} 1428 1429H223AL3MParameters ::=SEQUENCE 1430{ 1431 headerFormat CHOICE 1432 { 1433 sebch16-7 NULL, 1434 golay24-12 NULL, 1435 ... 1436 }, 1437 crcLength CHOICE 1438 { 1439 crc4bit NULL, 1440 crc12bit NULL, 1441 crc20bit NULL, 1442 crc28bit NULL, 1443 ... 1444 }, 1445 1446 rcpcCodeRate INTEGER (8..32), 1447 1448 arqType CHOICE 1449 { 1450 noArq NULL, 1451 typeIArq H223AnnexCArqParameters, 1452 typeIIArq H223AnnexCArqParameters, 1453 ... 1454 }, 1455 1456 alpduInterleaving BOOLEAN, 1457 ... 1458} 1459 1460 1461H223AnnexCArqParameters ::=SEQUENCE 1462{ 1463 numberOfRetransmissions CHOICE 1464 { 1465 finite INTEGER (0..16), 1466 infinite NULL, 1467 ... 1468 }, 1469 sendBufferSize INTEGER (0..16777215), -- units octets 1470 ... 1471} 1472 1473V76LogicalChannelParameters ::=SEQUENCE 1474{ 1475 hdlcParameters V76HDLCParameters, 1476 suspendResume CHOICE 1477 { 1478 noSuspendResume NULL, 1479 suspendResumewAddress NULL, 1480 suspendResumewoAddress NULL, 1481 ... 1482 }, 1483 uIH BOOLEAN, 1484 mode CHOICE 1485 { 1486 eRM SEQUENCE 1487 { 1488 windowSize INTEGER (1..127) , 1489 recovery CHOICE 1490 { 1491 rej NULL, 1492 sREJ NULL, 1493 mSREJ NULL, 1494 ... 1495 }, 1496 ... 1497 }, 1498 uNERM NULL, 1499 ... 1500 }, 1501 v75Parameters V75Parameters, 1502 ... 1503} 1504 1505 1506 1507V76HDLCParameters ::=SEQUENCE 1508{ 1509 crcLength CRCLength, 1510 n401 INTEGER (1..4095), 1511 loopbackTestProcedure BOOLEAN, 1512 ... 1513} 1514 1515 1516CRCLength ::=CHOICE 1517{ 1518 crc8bit NULL, 1519 crc16bit NULL, 1520 crc32bit NULL, 1521 ... 1522} 1523 1524H2250LogicalChannelParameters ::=SEQUENCE 1525{ 1526 nonStandard SEQUENCE OF NonStandardParameter OPTIONAL, 1527 sessionID INTEGER(0..255), 1528 associatedSessionID INTEGER(1..255) OPTIONAL, 1529 mediaChannel TransportAddress OPTIONAL, 1530 mediaGuaranteedDelivery BOOLEAN OPTIONAL, 1531 mediaControlChannel TransportAddress OPTIONAL, -- reverse RTCP channel 1532 mediaControlGuaranteedDelivery BOOLEAN OPTIONAL, 1533 silenceSuppression BOOLEAN OPTIONAL, 1534 destination TerminalLabel OPTIONAL, 1535 1536 dynamicRTPPayloadType INTEGER(96..127) OPTIONAL, 1537 mediaPacketization CHOICE 1538 { 1539 h261aVideoPacketization NULL, 1540 ..., 1541 rtpPayloadType RTPPayloadType 1542 } OPTIONAL, 1543 ..., 1544 transportCapability TransportCapability OPTIONAL, 1545 redundancyEncoding RedundancyEncoding OPTIONAL, 1546 source TerminalLabel OPTIONAL 1547} 1548 1549RTPPayloadType ::= SEQUENCE 1550{ 1551 payloadDescriptor CHOICE 1552 { 1553 nonStandardIdentifier NonStandardParameter, 1554 rfc-number INTEGER (1..32768, ...), 1555 oid OBJECT IDENTIFIER, 1556 ... 1557 }, 1558 payloadType INTEGER (0..127) OPTIONAL, 1559 ... 1560} 1561 1562RedundancyEncoding ::=SEQUENCE 1563{ 1564 redundancyEncodingMethod RedundancyEncodingMethod, 1565 secondaryEncoding DataType OPTIONAL, -- depends on method 1566 ... 1567} 1568 1569TransportAddress ::=CHOICE 1570{ 1571 unicastAddress UnicastAddress, 1572 multicastAddress MulticastAddress, 1573 ... 1574} 1575 1576UnicastAddress ::=CHOICE 1577{ 1578 iPAddress SEQUENCE 1579 { 1580 network OCTET STRING (SIZE(4)), 1581 tsapIdentifier INTEGER(0..65535), 1582 ... 1583 }, 1584 iPXAddress SEQUENCE 1585 { 1586 node OCTET STRING (SIZE(6)), 1587 netnum OCTET STRING (SIZE(4)), 1588 tsapIdentifier OCTET STRING (SIZE(2)), 1589 ... 1590 }, 1591 iP6Address SEQUENCE 1592 { 1593 network OCTET STRING (SIZE(16)), 1594 tsapIdentifier INTEGER(0..65535), 1595 ... 1596 }, 1597 netBios OCTET STRING (SIZE(16)), 1598 iPSourceRouteAddress SEQUENCE 1599 { 1600 routing CHOICE 1601 { 1602 strict NULL, 1603 loose NULL 1604 }, 1605 network OCTET STRING (SIZE(4)), 1606 tsapIdentifier INTEGER(0..65535), 1607 route SEQUENCE OF OCTET STRING (SIZE(4)), 1608 ... 1609 }, 1610 ..., 1611 nsap OCTET STRING (SIZE(1..20)), 1612 nonStandardAddress NonStandardParameter 1613} 1614 1615MulticastAddress ::=CHOICE 1616{ 1617 iPAddress SEQUENCE 1618 { 1619 network OCTET STRING (SIZE(4)), 1620 tsapIdentifier INTEGER(0..65535), 1621 ... 1622 }, 1623 iP6Address SEQUENCE 1624 { 1625 network OCTET STRING (SIZE(16)), 1626 tsapIdentifier INTEGER(0..65535), 1627 ... 1628 }, 1629 ..., 1630 nsap OCTET STRING (SIZE(1..20)), 1631 nonStandardAddress NonStandardParameter 1632} 1633 1634EncryptionSync ::=SEQUENCE 1635 -- used to supply new key and synchronization point 1636{ 1637 nonStandard NonStandardParameter OPTIONAL, 1638 synchFlag INTEGER(0..255) , -- may need to be larger for H.324, etc 1639 -- shall be the Dynamic Payload# for H.323 1640 h235Key OCTET STRING (SIZE(1..65535)), -- H.235 encoded value 1641 escrowentry SEQUENCE SIZE(1..256) OF EscrowData OPTIONAL, 1642 ... 1643} 1644 1645EscrowData ::=SEQUENCE 1646{ 1647 escrowID OBJECT IDENTIFIER, 1648 escrowValue BIT STRING (SIZE(1..65535)), 1649 ... 1650} 1651 1652OpenLogicalChannelAck ::=SEQUENCE 1653{ 1654 forwardLogicalChannelNumber LogicalChannelNumber, 1655 1656 reverseLogicalChannelParameters SEQUENCE 1657 { 1658 reverseLogicalChannelNumber LogicalChannelNumber, 1659 portNumber INTEGER (0..65535) OPTIONAL, 1660 multiplexParameters CHOICE 1661 { 1662 h222LogicalChannelParameters H222LogicalChannelParameters, 1663 -- H.223 parameters are never present in reverse direction 1664 ..., 1665 h2250LogicalChannelParameters H2250LogicalChannelParameters 1666 1667 } OPTIONAL, -- Not present for H.223 1668 ..., 1669 replacementFor LogicalChannelNumber OPTIONAL 1670 1671 } OPTIONAL, -- Not present for uni-directional channel request 1672 ..., 1673 separateStack NetworkAccessParameters OPTIONAL, 1674 -- for Open requester to establish the stack 1675 forwardMultiplexAckParameters CHOICE 1676 { 1677 -- H.222 parameters are never present in the Ack 1678 -- H.223 parameters are never present in the Ack 1679 --V.76 parameters are never present in the Ack 1680 h2250LogicalChannelAckParameters H2250LogicalChannelAckParameters, 1681 ... 1682 } OPTIONAL, 1683 encryptionSync EncryptionSync OPTIONAL -- used only by Master 1684} 1685 1686OpenLogicalChannelReject ::=SEQUENCE 1687{ 1688 forwardLogicalChannelNumber LogicalChannelNumber, 1689 cause CHOICE 1690 { 1691 unspecified NULL, 1692 unsuitableReverseParameters NULL, 1693 dataTypeNotSupported NULL, 1694 dataTypeNotAvailable NULL, 1695 unknownDataType NULL, 1696 dataTypeALCombinationNotSupported NULL, 1697 ..., 1698 multicastChannelNotAllowed NULL, 1699 insufficientBandwidth NULL, 1700 separateStackEstablishmentFailed NULL, 1701 invalidSessionID NULL, 1702 masterSlaveConflict NULL, 1703 waitForCommunicationMode NULL, 1704 invalidDependentChannel NULL, 1705 replacementForRejected NULL 1706 }, 1707 ... 1708} 1709 1710OpenLogicalChannelConfirm ::=SEQUENCE 1711{ 1712 forwardLogicalChannelNumber LogicalChannelNumber, 1713 ... 1714} 1715 1716H2250LogicalChannelAckParameters ::=SEQUENCE 1717{ 1718 nonStandard SEQUENCE OF NonStandardParameter OPTIONAL, 1719 sessionID INTEGER(1..255) OPTIONAL, 1720 mediaChannel TransportAddress OPTIONAL, 1721 mediaControlChannel TransportAddress OPTIONAL, -- forward RTCP channel 1722 dynamicRTPPayloadType INTEGER(96..127) OPTIONAL, -- used only by the master or MC 1723 ..., 1724 flowControlToZero BOOLEAN 1725} 1726 1727 1728 1729CloseLogicalChannel ::=SEQUENCE 1730{ 1731 forwardLogicalChannelNumber LogicalChannelNumber, 1732 source CHOICE 1733 { 1734 user NULL, 1735 lcse NULL 1736 }, 1737 ..., 1738 reason CHOICE 1739 { 1740 unknown NULL, 1741 reopen NULL, 1742 reservationFailure NULL, 1743 ... 1744 } 1745} 1746 1747CloseLogicalChannelAck ::=SEQUENCE 1748{ 1749 forwardLogicalChannelNumber LogicalChannelNumber, 1750 ... 1751} 1752 1753RequestChannelClose ::=SEQUENCE 1754{ 1755 forwardLogicalChannelNumber LogicalChannelNumber, 1756 ..., 1757 qosCapability QOSCapability OPTIONAL, 1758 reason CHOICE 1759 { 1760 unknown NULL, 1761 normal NULL, 1762 reopen NULL, 1763 reservationFailure NULL, 1764 ... 1765 } 1766} 1767 1768RequestChannelCloseAck ::=SEQUENCE 1769{ 1770 forwardLogicalChannelNumber LogicalChannelNumber, 1771 ... 1772} 1773 1774RequestChannelCloseReject ::=SEQUENCE 1775{ 1776 forwardLogicalChannelNumber LogicalChannelNumber, 1777 cause CHOICE 1778 { 1779 unspecified NULL, 1780 ... 1781 }, 1782 ... 1783} 1784 1785RequestChannelCloseRelease ::=SEQUENCE 1786{ 1787 forwardLogicalChannelNumber LogicalChannelNumber, 1788 ... 1789} 1790 1791 -- =================================================================================== 1792-- H.223 multiplex table definitions 1793-- =================================================================================== 1794 1795MultiplexEntrySend ::=SEQUENCE 1796{ 1797 sequenceNumber SequenceNumber, 1798 multiplexEntryDescriptors SET SIZE (1..15) OF MultiplexEntryDescriptor, 1799 ... 1800} 1801 1802MultiplexEntryDescriptor ::=SEQUENCE 1803{ 1804 multiplexTableEntryNumber MultiplexTableEntryNumber, 1805 elementList SEQUENCE SIZE (1..256) OF MultiplexElement OPTIONAL 1806} 1807 1808MultiplexElement ::=SEQUENCE 1809{ 1810 type CHOICE 1811 { 1812 logicalChannelNumber INTEGER(0..65535), 1813 subElementList SEQUENCE SIZE (2..255) OF MultiplexElement 1814 }, 1815 repeatCount CHOICE 1816 { 1817 finite INTEGER (1..65535), -- repeats of type 1818 untilClosingFlag NULL -- used for last element 1819 } 1820} 1821 1822MultiplexTableEntryNumber ::=INTEGER (1..15) 1823 1824MultiplexEntrySendAck ::=SEQUENCE 1825{ 1826 sequenceNumber SequenceNumber, 1827 multiplexTableEntryNumber SET SIZE (1..15) OF MultiplexTableEntryNumber, 1828 ... 1829} 1830 1831MultiplexEntrySendReject ::=SEQUENCE 1832{ 1833 sequenceNumber SequenceNumber, 1834 rejectionDescriptions SET SIZE (1..15) OF MultiplexEntryRejectionDescriptions, 1835 ... 1836} 1837 1838MultiplexEntryRejectionDescriptions ::=SEQUENCE 1839{ 1840 multiplexTableEntryNumber MultiplexTableEntryNumber, 1841 cause CHOICE 1842 { 1843 unspecifiedCause NULL, 1844 descriptorTooComplex NULL, 1845 ... 1846 }, 1847 ... 1848} 1849 1850MultiplexEntrySendRelease ::=SEQUENCE 1851{ 1852 multiplexTableEntryNumber SET SIZE (1..15) OF MultiplexTableEntryNumber, 1853 ... 1854} 1855 1856RequestMultiplexEntry ::=SEQUENCE 1857{ 1858 entryNumbers SET SIZE (1..15) OF MultiplexTableEntryNumber, 1859 ... 1860} 1861 1862RequestMultiplexEntryAck ::=SEQUENCE 1863{ 1864 entryNumbers SET SIZE (1..15) OF MultiplexTableEntryNumber, 1865 ... 1866} 1867 1868RequestMultiplexEntryReject ::=SEQUENCE 1869{ 1870 entryNumbers SET SIZE (1..15) OF MultiplexTableEntryNumber, 1871 rejectionDescriptions SET SIZE (1..15) OF RequestMultiplexEntryRejectionDescriptions, 1872 ... 1873} 1874 1875RequestMultiplexEntryRejectionDescriptions ::=SEQUENCE 1876{ 1877 multiplexTableEntryNumber MultiplexTableEntryNumber, 1878 cause CHOICE 1879 { 1880 unspecifiedCause NULL, 1881 ... 1882 }, 1883 ... 1884} 1885 1886RequestMultiplexEntryRelease ::=SEQUENCE 1887{ 1888 entryNumbers SET SIZE (1..15) OF MultiplexTableEntryNumber, 1889 ... 1890} 1891 1892 -- =================================================================================== 1893-- Request mode definitions 1894-- =================================================================================== 1895 1896-- RequestMode is a list, in order or preference, of modes that a terminal would like 1897-- to have transmitted to it. 1898 1899RequestMode ::=SEQUENCE 1900{ 1901 sequenceNumber SequenceNumber, 1902 requestedModes SEQUENCE SIZE (1..256) OF ModeDescription, 1903 ... 1904} 1905 1906RequestModeAck ::=SEQUENCE 1907{ 1908 sequenceNumber SequenceNumber, 1909 response CHOICE 1910 { 1911 willTransmitMostPreferredMode NULL, 1912 willTransmitLessPreferredMode NULL, 1913 ... 1914 }, 1915 ... 1916} 1917 1918RequestModeReject ::=SEQUENCE 1919{ 1920 sequenceNumber SequenceNumber, 1921 cause CHOICE 1922 { 1923 modeUnavailable NULL, 1924 multipointConstraint NULL, 1925 requestDenied NULL, 1926 ... 1927 }, 1928 ... 1929} 1930 1931RequestModeRelease ::=SEQUENCE 1932{ 1933 ... 1934} 1935 1936-- =================================================================================== 1937-- Request mode definitions: Mode description 1938-- =================================================================================== 1939 1940ModeDescription ::=SET SIZE (1..256) OF ModeElement 1941 1942ModeElement ::= SEQUENCE 1943{ 1944 type CHOICE 1945 { 1946 nonStandard NonStandardParameter, 1947 videoMode VideoMode, 1948 audioMode AudioMode, 1949 dataMode DataMode, 1950 encryptionMode EncryptionMode, 1951 ..., 1952 h235Mode H235Mode 1953 }, 1954 1955 h223ModeParameters H223ModeParameters OPTIONAL, 1956 ..., 1957 v76ModeParameters V76ModeParameters OPTIONAL, 1958 h2250ModeParameters H2250ModeParameters OPTIONAL 1959 1960 1961} 1962 1963H235Mode ::=SEQUENCE 1964{ 1965 encryptionAuthenticationAndIntegrity EncryptionAuthenticationAndIntegrity, 1966 1967 mediaMode CHOICE 1968 { 1969 nonStandard NonStandardParameter, 1970 videoMode VideoMode, 1971 audioMode AudioMode, 1972 dataMode DataMode, 1973 ... 1974 }, 1975 ... 1976} 1977 1978H223ModeParameters ::=SEQUENCE 1979{ 1980 adaptationLayerType CHOICE 1981 { 1982 nonStandard NonStandardParameter, 1983 al1Framed NULL, 1984 al1NotFramed NULL, 1985 al2WithoutSequenceNumbers NULL, 1986 al2WithSequenceNumbers NULL, 1987 al3 SEQUENCE 1988 { 1989 controlFieldOctets INTEGER(0..2), 1990 sendBufferSize INTEGER(0..16777215) -- units octets 1991 }, 1992 ..., 1993 al1M H223AL1MParameters, 1994 al2M H223AL2MParameters, 1995 al3M H223AL3MParameters 1996 1997 }, 1998 1999 segmentableFlag BOOLEAN, 2000 ... 2001} 2002 2003V76ModeParameters ::=CHOICE 2004{ 2005 suspendResumewAddress NULL, 2006 suspendResumewoAddress NULL, 2007 ... 2008} 2009 2010H2250ModeParameters ::=SEQUENCE 2011{ 2012 redundancyEncodingMode RedundancyEncodingMode OPTIONAL, 2013 ... 2014} 2015 2016RedundancyEncodingMode ::=SEQUENCE 2017{ 2018 redundancyEncodingMethod RedundancyEncodingMethod, 2019 secondaryEncoding CHOICE 2020 { 2021 nonStandard NonStandardParameter, 2022 audioData AudioMode, 2023 ... 2024 } OPTIONAL, 2025 ... 2026} 2027 2028-- =================================================================================== 2029-- Request mode definitions: Video modes 2030-- =================================================================================== 2031 2032VideoMode ::=CHOICE 2033{ 2034 nonStandard NonStandardParameter, 2035 h261VideoMode H261VideoMode, 2036 h262VideoMode H262VideoMode, 2037 h263VideoMode H263VideoMode, 2038 is11172VideoMode IS11172VideoMode, 2039 ... 2040} 2041 2042H261VideoMode ::=SEQUENCE 2043{ 2044 resolution CHOICE 2045 { 2046 qcif NULL, 2047 cif NULL 2048 }, 2049 bitRate INTEGER (1..19200), -- units 100 bit/s 2050 stillImageTransmission BOOLEAN, 2051 ... 2052} 2053 2054H262VideoMode ::=SEQUENCE 2055{ 2056 profileAndLevel CHOICE 2057 { 2058 profileAndLevel-SPatML NULL, 2059 profileAndLevel-MPatLL NULL, 2060 profileAndLevel-MPatML NULL, 2061 profileAndLevel-MPatH-14 NULL, 2062 profileAndLevel-MPatHL NULL, 2063 profileAndLevel-SNRatLL NULL, 2064 profileAndLevel-SNRatML NULL, 2065 profileAndLevel-SpatialatH-14 NULL, 2066 profileAndLevel-HPatML NULL, 2067 profileAndLevel-HPatH-14 NULL, 2068 profileAndLevel-HPatHL NULL, 2069 ... 2070 }, 2071 videoBitRate INTEGER(0..1073741823) OPTIONAL, -- units 400bit/s 2072 vbvBufferSize INTEGER(0..262143) OPTIONAL, -- units 16384bits 2073 samplesPerLine INTEGER(0..16383) OPTIONAL, -- units samples/line 2074 linesPerFrame INTEGER(0..16383) OPTIONAL, -- units lines/frame 2075 framesPerSecond INTEGER(0..15) OPTIONAL, -- frame_rate_code 2076 luminanceSampleRate INTEGER(0..4294967295) OPTIONAL, -- units samples/sec 2077 ... 2078} 2079 2080H263VideoMode ::=SEQUENCE 2081{ 2082 resolution CHOICE 2083 { 2084 sqcif NULL, 2085 qcif NULL, 2086 cif NULL, 2087 cif4 NULL, 2088 cif16 NULL, 2089 ... 2090 }, 2091 bitRate INTEGER (1..19200), -- units 100 bit/s 2092 unrestrictedVector BOOLEAN, 2093 arithmeticCoding BOOLEAN, 2094 advancedPrediction BOOLEAN, 2095 pbFrames BOOLEAN, 2096 ..., 2097 2098 errorCompensation BOOLEAN, 2099 enhancementLayerInfo EnhancementLayerInfo OPTIONAL, 2100 h263Options H263Options OPTIONAL 2101} 2102 2103IS11172VideoMode ::=SEQUENCE 2104{ 2105 constrainedBitstream BOOLEAN, 2106 videoBitRate INTEGER(0..1073741823) OPTIONAL, -- units 400bit/s 2107 vbvBufferSize INTEGER(0..262143) OPTIONAL, -- units 16384bits 2108 samplesPerLine INTEGER(0..16383) OPTIONAL, -- units samples/line 2109 linesPerFrame INTEGER(0..16383) OPTIONAL, -- units lines/frame 2110 pictureRate INTEGER(0..15) OPTIONAL, 2111 luminanceSampleRate INTEGER(0..4294967295) OPTIONAL, -- units samples/sec 2112 ... 2113} 2114 2115-- =================================================================================== 2116-- Request mode definitions: Audio modes 2117-- =================================================================================== 2118 2119AudioMode ::=CHOICE 2120{ 2121 nonStandard NonStandardParameter, 2122 g711Alaw64k NULL, 2123 g711Alaw56k NULL, 2124 g711Ulaw64k NULL, 2125 g711Ulaw56k NULL, 2126 2127 g722-64k NULL, 2128 g722-56k NULL, 2129 g722-48k NULL, 2130 2131 g728 NULL, 2132 g729 NULL, 2133 g729AnnexA NULL, 2134 2135 g7231 CHOICE 2136 { 2137 noSilenceSuppressionLowRate NULL, 2138 noSilenceSuppressionHighRate NULL, 2139 silenceSuppressionLowRate NULL, 2140 silenceSuppressionHighRate NULL 2141 }, 2142 2143 is11172AudioMode IS11172AudioMode, 2144 is13818AudioMode IS13818AudioMode, 2145 2146 ..., 2147 g729wAnnexB INTEGER(1..256), 2148 g729AnnexAwAnnexB INTEGER(1..256), 2149 g7231AnnexCMode G7231AnnexCMode, 2150 gsmFullRate GSMAudioCapability, 2151 gsmHalfRate GSMAudioCapability, 2152 gsmEnhancedFullRate GSMAudioCapability 2153 2154} 2155 2156IS11172AudioMode ::=SEQUENCE 2157{ 2158 audioLayer CHOICE 2159 { 2160 audioLayer1 NULL, 2161 audioLayer2 NULL, 2162 audioLayer3 NULL 2163 }, 2164 2165 audioSampling CHOICE 2166 { 2167 audioSampling32k NULL, 2168 audioSampling44k1 NULL, 2169 audioSampling48k NULL 2170 }, 2171 2172 multichannelType CHOICE 2173 { 2174 singleChannel NULL, 2175 twoChannelStereo NULL, 2176 twoChannelDual NULL 2177 }, 2178 2179 bitRate INTEGER (1..448), --units kbit/s 2180 ... 2181} 2182 2183IS13818AudioMode ::=SEQUENCE 2184{ 2185 audioLayer CHOICE 2186 { 2187 audioLayer1 NULL, 2188 audioLayer2 NULL, 2189 audioLayer3 NULL 2190 }, 2191 2192 audioSampling CHOICE 2193 { 2194 audioSampling16k NULL, 2195 audioSampling22k05 NULL, 2196 audioSampling24k NULL, 2197 audioSampling32k NULL, 2198 audioSampling44k1 NULL, 2199 audioSampling48k NULL 2200 }, 2201 2202 multichannelType CHOICE 2203 { 2204 singleChannel NULL, 2205 twoChannelStereo NULL, 2206 twoChannelDual NULL, 2207 threeChannels2-1 NULL, 2208 threeChannels3-0 NULL, 2209 fourChannels2-0-2-0 NULL, 2210 fourChannels2-2 NULL, 2211 fourChannels3-1 NULL, 2212 fiveChannels3-0-2-0 NULL, 2213 fiveChannels3-2 NULL 2214 }, 2215 2216 lowFrequencyEnhancement BOOLEAN, 2217 2218 multilingual BOOLEAN, 2219 2220 bitRate INTEGER (1..1130), --units kbit/s 2221 ... 2222} 2223 2224G7231AnnexCMode ::= SEQUENCE 2225{ 2226 maxAl-sduAudioFrames INTEGER (1..256), 2227 silenceSuppression BOOLEAN, 2228 g723AnnexCAudioMode SEQUENCE 2229 { 2230 highRateMode0 INTEGER (27..78), -- units octets 2231 highRateMode1 INTEGER (27..78), -- units octets 2232 lowRateMode0 INTEGER (23..66), -- units octets 2233 lowRateMode1 INTEGER (23..66), -- units octets 2234 sidMode0 INTEGER (6..17), -- units octets 2235 sidMode1 INTEGER (6..17), -- units octets 2236 ... 2237 }, 2238 ... 2239} 2240 2241-- =================================================================================== 2242-- Request mode definitions: Data modes 2243-- =================================================================================== 2244 2245DataMode ::=SEQUENCE 2246{ 2247 application CHOICE 2248 { 2249 nonStandard NonStandardParameter, 2250 t120 DataProtocolCapability, 2251 dsm-cc DataProtocolCapability, 2252 userData DataProtocolCapability, 2253 t84 DataProtocolCapability, 2254 t434 DataProtocolCapability, 2255 h224 DataProtocolCapability, 2256 nlpid SEQUENCE 2257 { 2258 nlpidProtocol DataProtocolCapability, 2259 nlpidData OCTET STRING 2260 }, 2261 dsvdControl NULL, 2262 h222DataPartitioning DataProtocolCapability, 2263 ..., 2264 t30fax DataProtocolCapability, 2265 t140 DataProtocolCapability 2266 }, 2267 bitRate INTEGER (0..4294967295), -- units 100 bit/s 2268 ... 2269} 2270 2271-- =================================================================================== 2272-- Request mode definitions: Encryption modes 2273-- =================================================================================== 2274 2275EncryptionMode ::=CHOICE 2276{ 2277 nonStandard NonStandardParameter, 2278 h233Encryption NULL, 2279 ... 2280} 2281 2282 -- =================================================================================== 2283-- Round Trip Delay definitions 2284-- =================================================================================== 2285 2286RoundTripDelayRequest ::=SEQUENCE 2287{ 2288 sequenceNumber SequenceNumber, 2289 ... 2290} 2291 2292RoundTripDelayResponse ::=SEQUENCE 2293{ 2294 sequenceNumber SequenceNumber, 2295 ... 2296} 2297 2298-- =================================================================================== 2299-- Maintenance Loop definitions 2300-- =================================================================================== 2301 2302MaintenanceLoopRequest ::=SEQUENCE 2303{ 2304 type CHOICE 2305 { 2306 systemLoop NULL, 2307 mediaLoop LogicalChannelNumber, 2308 logicalChannelLoop LogicalChannelNumber, 2309 ... 2310 }, 2311 ... 2312} 2313 2314MaintenanceLoopAck ::=SEQUENCE 2315{ 2316 type CHOICE 2317 { 2318 systemLoop NULL, 2319 mediaLoop LogicalChannelNumber, 2320 logicalChannelLoop LogicalChannelNumber, 2321 ... 2322 }, 2323 ... 2324} 2325 2326MaintenanceLoopReject ::=SEQUENCE 2327{ 2328 type CHOICE 2329 { 2330 systemLoop NULL, 2331 mediaLoop LogicalChannelNumber, 2332 logicalChannelLoop LogicalChannelNumber, 2333 ... 2334 }, 2335 cause CHOICE 2336 { 2337 canNotPerformLoop NULL, 2338 ... 2339 }, 2340 ... 2341} 2342 2343MaintenanceLoopOffCommand ::=SEQUENCE 2344{ 2345 ... 2346} 2347 2348-- =================================================================================== 2349-- Communication Mode definitions 2350-- =================================================================================== 2351 2352CommunicationModeCommand ::=SEQUENCE 2353{ 2354 communicationModeTable SET SIZE(1..256) OF CommunicationModeTableEntry, 2355 ... 2356} 2357 2358CommunicationModeRequest ::=SEQUENCE 2359{ 2360 ... 2361} 2362 2363CommunicationModeResponse ::=CHOICE 2364{ 2365 communicationModeTable SET SIZE(1..256) OF CommunicationModeTableEntry, 2366 ... 2367} 2368 2369CommunicationModeTableEntry ::=SEQUENCE 2370{ 2371 nonStandard SEQUENCE OF NonStandardParameter OPTIONAL, 2372 sessionID INTEGER(1..255), 2373 associatedSessionID INTEGER(1..255) OPTIONAL, 2374 2375 terminalLabel TerminalLabel OPTIONAL, -- if not present, 2376 -- it refers to all participants 2377 -- in the conference 2378 sessionDescription BMPString (SIZE(1..128)) , 2379 -- Basic ISO/IEC 10646-1 (Unicode) 2380 dataType CHOICE 2381 { 2382 videoData VideoCapability, 2383 audioData AudioCapability, 2384 data DataApplicationCapability, 2385 ... 2386 }, 2387 mediaChannel TransportAddress OPTIONAL, 2388 mediaGuaranteedDelivery BOOLEAN OPTIONAL, 2389 mediaControlChannel TransportAddress OPTIONAL, -- reverse RTCP channel 2390 mediaControlGuaranteedDelivery BOOLEAN OPTIONAL, 2391 ..., 2392 redundancyEncoding RedundancyEncoding OPTIONAL, 2393 sessionDependency INTEGER (1..255) OPTIONAL, 2394 destination TerminalLabel OPTIONAL 2395} 2396 2397-- =================================================================================== 2398-- Conference Request definitions 2399-- =================================================================================== 2400 2401ConferenceRequest ::=CHOICE 2402{ 2403 2404 terminalListRequest NULL, -- same as H.230 TCU (term->MC) 2405 2406 makeMeChair NULL, -- same as H.230 CCA (term->MC) 2407 cancelMakeMeChair NULL, -- same as H.230 CIS (term->MC) 2408 2409 dropTerminal TerminalLabel, -- same as H.230 CCD(term->MC) 2410 2411 requestTerminalID TerminalLabel, -- sames as TCP (term->MC) 2412 2413 enterH243Password NULL, -- same as H.230 TCS1(MC->term) 2414 enterH243TerminalID NULL, -- same as H.230 TCS2/TCI 2415 -- (MC->term) 2416 enterH243ConferenceID NULL, -- same as H.230 TCS3 (MC->term) 2417 ..., 2418 enterExtensionAddress NULL, -- same as H.230 TCS4 (GW->term) 2419 requestChairTokenOwner NULL, -- same as H.230 TCA (term->MC) 2420 requestTerminalCertificate SEQUENCE 2421 { 2422 terminalLabel TerminalLabel OPTIONAL, 2423 certSelectionCriteria CertSelectionCriteria OPTIONAL, 2424 sRandom INTEGER (1..4294967295) OPTIONAL, 2425 -- this is the requester's challenge 2426 ... 2427 }, 2428 broadcastMyLogicalChannel LogicalChannelNumber, -- similar to H.230 MCV 2429 makeTerminalBroadcaster TerminalLabel, -- similar to H.230 VCB 2430 sendThisSource TerminalLabel, -- similar to H.230 VCS 2431 requestAllTerminalIDs NULL, 2432 remoteMCRequest RemoteMCRequest 2433} 2434 2435CertSelectionCriteria ::=SEQUENCE SIZE (1..16) OF Criteria 2436 2437Criteria ::=SEQUENCE 2438{ 2439 field OBJECT IDENTIFIER, -- may include certificate type 2440 value OCTET STRING (SIZE(1..65535)), 2441 ... 2442} 2443 2444TerminalLabel ::=SEQUENCE 2445{ 2446 mcuNumber McuNumber, 2447 terminalNumber TerminalNumber, 2448 ... 2449} 2450 2451McuNumber ::=INTEGER(0..192) 2452TerminalNumber ::=INTEGER(0..192) 2453 2454-- =================================================================================== 2455-- Conference Response definitions 2456-- =================================================================================== 2457 2458ConferenceResponse ::=CHOICE 2459{ 2460 mCTerminalIDResponse SEQUENCE -- response to TCP(same as TIP) 2461 { -- sent by MC only 2462 terminalLabel TerminalLabel, 2463 terminalID TerminalID, 2464 ... 2465 }, 2466 2467 terminalIDResponse SEQUENCE -- response to TCS2 or TCI 2468 { -- same as IIS 2469 terminalLabel TerminalLabel, -- (term->MC) 2470 terminalID TerminalID, 2471 ... 2472 }, 2473 2474 conferenceIDResponse SEQUENCE -- response to TCS3 2475 { -- same as IIS 2476 terminalLabel TerminalLabel, -- (term->MC) 2477 conferenceID ConferenceID, 2478 ... 2479 }, 2480 2481 passwordResponse SEQUENCE -- response to TCS1 2482 { -- same as IIS 2483 terminalLabel TerminalLabel, -- (term->MC) 2484 password Password, 2485 ... 2486 }, 2487 2488 terminalListResponse SET SIZE (1..256) OF TerminalLabel, 2489 2490 videoCommandReject NULL, -- same as H.230 VCR 2491 terminalDropReject NULL, -- same as H.230 CIR 2492 2493 makeMeChairResponse CHOICE -- same as H.230 CCR 2494 { 2495 grantedChairToken NULL, -- same as H.230 CIT 2496 deniedChairToken NULL, -- same as H.230 CCR 2497 ... 2498 }, 2499 ..., 2500 extensionAddressResponse SEQUENCE -- response to TCS4 2501 { 2502 extensionAddress TerminalID, -- same as IIS (term->GW) 2503 ... 2504 }, 2505 chairTokenOwnerResponse SEQUENCE -- response to TCA(same as TIR) sent by MC only 2506 { 2507 terminalLabel TerminalLabel, 2508 terminalID TerminalID, 2509 ... 2510 }, 2511 terminalCertificateResponse SEQUENCE 2512 { 2513 terminalLabel TerminalLabel OPTIONAL, 2514 certificateResponse OCTET STRING (SIZE(1..65535)) OPTIONAL, 2515 ... 2516 }, 2517 broadcastMyLogicalChannelResponse CHOICE 2518 { 2519 grantedBroadcastMyLogicalChannel NULL, 2520 deniedBroadcastMyLogicalChannel NULL, 2521 ... 2522 }, 2523 makeTerminalBroadcasterResponse CHOICE 2524 { 2525 grantedMakeTerminalBroadcaster NULL, 2526 deniedMakeTerminalBroadcaster NULL, 2527 ... 2528 }, 2529 sendThisSourceResponse CHOICE 2530 { 2531 grantedSendThisSource NULL, 2532 deniedSendThisSource NULL, 2533 ... 2534 }, 2535 requestAllTerminalIDsResponse RequestAllTerminalIDsResponse, 2536 remoteMCResponse RemoteMCResponse 2537} 2538 2539TerminalID ::=OCTET STRING (SIZE(1..128)) -- as per H.230 2540ConferenceID ::=OCTET STRING (SIZE(1..32)) 2541Password ::=OCTET STRING (SIZE(1..32)) 2542 2543RequestAllTerminalIDsResponse ::=SEQUENCE 2544{ 2545 terminalInformation SEQUENCE OF TerminalInformation, 2546 ... 2547} 2548 2549TerminalInformation ::=SEQUENCE 2550{ 2551 terminalLabel TerminalLabel, 2552 terminalID TerminalID, 2553 ... 2554} 2555 2556-- =================================================================================== 2557-- Remote MC Request definitions 2558-- =================================================================================== 2559 2560 RemoteMCRequest ::=CHOICE 2561 { 2562 masterActivate NULL, 2563 slaveActivate NULL, 2564 deActivate NULL, 2565 ... 2566 } 2567 2568 RemoteMCResponse ::=CHOICE 2569 { 2570 accept NULL, 2571 reject CHOICE 2572 { 2573 unspecified NULL, 2574 functionNotSupported NULL, 2575 ... 2576 }, 2577 ... 2578 } 2579 2580-- =================================================================================== 2581-- Command Message definitions 2582-- =================================================================================== 2583 2584-- =================================================================================== 2585-- Command Message : Send Terminal Capability Set 2586-- =================================================================================== 2587 2588SendTerminalCapabilitySet ::=CHOICE 2589{ 2590 specificRequest SEQUENCE 2591 { 2592 multiplexCapability BOOLEAN, 2593 2594 capabilityTableEntryNumbers SET SIZE (1..65535) OF CapabilityTableEntryNumber OPTIONAL, 2595 2596 capabilityDescriptorNumbers SET SIZE (1..256) OF CapabilityDescriptorNumber OPTIONAL, 2597 ... 2598 }, 2599 genericRequest NULL, 2600 ... 2601} 2602 2603-- =================================================================================== 2604-- Command Message : Encryption 2605-- =================================================================================== 2606 2607EncryptionCommand ::=CHOICE 2608{ 2609 encryptionSE OCTET STRING, -- per H.233, but no error protection 2610 encryptionIVRequest NULL, -- requests new IV 2611 encryptionAlgorithmID SEQUENCE 2612 { 2613 h233AlgorithmIdentifier SequenceNumber, 2614 associatedAlgorithm NonStandardParameter 2615 }, 2616 ... 2617} 2618 2619-- =================================================================================== 2620-- Command Message : Flow Control 2621-- =================================================================================== 2622 2623FlowControlCommand ::=SEQUENCE 2624{ 2625 scope CHOICE 2626 { 2627 logicalChannelNumber LogicalChannelNumber, 2628 resourceID INTEGER (0..65535), 2629 wholeMultiplex NULL 2630 }, 2631 restriction CHOICE 2632 { 2633 maximumBitRate INTEGER (0..16777215), -- units 100 bit/s 2634 noRestriction NULL 2635 }, 2636 ... 2637} 2638 2639-- =================================================================================== 2640-- Command Message : Change or End Session 2641-- =================================================================================== 2642 2643EndSessionCommand ::=CHOICE 2644{ 2645 nonStandard NonStandardParameter, 2646 2647 disconnect NULL, 2648 2649 gstnOptions CHOICE 2650 { 2651 telephonyMode NULL, 2652 v8bis NULL, 2653 v34DSVD NULL, 2654 v34DuplexFAX NULL, 2655 v34H324 NULL, 2656 ... 2657 }, 2658 2659 ..., 2660 isdnOptions CHOICE 2661 { 2662 telephonyMode NULL, 2663 v140 NULL, 2664 terminalOnHold NULL, 2665 ... 2666 } 2667} 2668 2669-- =================================================================================== 2670-- Command Message : Conference Commands 2671-- =================================================================================== 2672 2673ConferenceCommand ::=CHOICE 2674{ 2675 broadcastMyLogicalChannel LogicalChannelNumber, -- similar to H.230 MCV 2676 cancelBroadcastMyLogicalChannel LogicalChannelNumber, -- similar to H.230 Cancel-MCV 2677 2678 makeTerminalBroadcaster TerminalLabel, -- same as H.230 VCB 2679 cancelMakeTerminalBroadcaster NULL, -- same as H.230 Cancel-VCB 2680 2681 sendThisSource TerminalLabel, -- same as H.230 VCS 2682 cancelSendThisSource NULL, -- same as H.230 cancel VCS 2683 2684 dropConference NULL, -- same as H.230 CCK 2685 ..., 2686 substituteConferenceIDCommand SubstituteConferenceIDCommand 2687} 2688 2689SubstituteConferenceIDCommand ::=SEQUENCE 2690{ 2691 conferenceIdentifier OCTET STRING (SIZE(16)), 2692 ... 2693} 2694 2695-- =================================================================================== 2696-- Command Message : Miscellaneous H.230-like commands 2697-- =================================================================================== 2698 2699MiscellaneousCommand ::=SEQUENCE 2700{ 2701 logicalChannelNumber LogicalChannelNumber, 2702 type CHOICE 2703 { 2704 equaliseDelay NULL, -- same as H.230 ACE 2705 zeroDelay NULL, -- same as H.230 ACZ 2706 multipointModeCommand NULL, 2707 cancelMultipointModeCommand NULL, 2708 videoFreezePicture NULL, 2709 videoFastUpdatePicture NULL, 2710 2711 videoFastUpdateGOB SEQUENCE 2712 { 2713 firstGOB INTEGER (0..17), 2714 numberOfGOBs INTEGER (1..18) 2715 }, 2716 2717 videoTemporalSpatialTradeOff INTEGER (0..31), -- commands a trade-off value 2718 2719 videoSendSyncEveryGOB NULL, 2720 videoSendSyncEveryGOBCancel NULL, 2721 2722 ..., 2723 videoFastUpdateMB SEQUENCE 2724 { 2725 firstGOB INTEGER (0..255) OPTIONAL, 2726 firstMB INTEGER (1..8192) OPTIONAL, 2727 numberOfMBs INTEGER (1..8192), 2728 ... 2729 }, 2730 maxH223MUXPDUsize INTEGER(1..65535), -- units octets 2731 encryptionUpdate EncryptionSync, 2732 encryptionUpdateRequest EncryptionUpdateRequest, 2733 switchReceiveMediaOff NULL, 2734 switchReceiveMediaOn NULL, 2735 2736 progressiveRefinementStart SEQUENCE 2737 { 2738 repeatCount CHOICE 2739 { 2740 doOneProgression NULL, 2741 doContinuousProgressions NULL, 2742 doOneIndependentProgression NULL, 2743 doContinuousIndependentProgressions NULL, 2744 ... 2745 }, 2746 ... 2747 }, 2748 progressiveRefinementAbortOne NULL, 2749 progressiveRefinementAbortContinuous NULL 2750 2751 }, 2752 2753 ... 2754} 2755 2756KeyProtectionMethod ::=SEQUENCE -- specify how the new key is to be protected 2757{ 2758 secureChannel BOOLEAN, 2759 sharedSecret BOOLEAN, 2760 certProtectedKey BOOLEAN, 2761 ... 2762} 2763 2764EncryptionUpdateRequest ::=SEQUENCE 2765{ 2766 keyProtectionMethod KeyProtectionMethod OPTIONAL, 2767 ... 2768} 2769 2770-- =================================================================================== 2771-- Command Message : H.223 Multiplex Reconfiguration 2772-- =================================================================================== 2773 2774H223MultiplexReconfiguration ::=CHOICE 2775{ 2776 h223ModeChange CHOICE 2777 { 2778 toLevel0 NULL, 2779 toLevel1 NULL, 2780 toLevel2 NULL, 2781 toLevel2withOptionalHeader NULL, 2782 ... 2783 }, 2784 2785 h223AnnexADoubleFlag CHOICE 2786 { 2787 start NULL, 2788 stop NULL, 2789 ... 2790 }, 2791 2792 ... 2793} 2794 -- =================================================================================== 2795-- Indication Message definitions 2796-- =================================================================================== 2797 2798-- =================================================================================== 2799-- Indication Message : Function not understood 2800-- =================================================================================== 2801 2802-- This is used to return a request, response or command that is not understood 2803 2804FunctionNotUnderstood ::=CHOICE 2805{ 2806 request RequestMessage, 2807 response ResponseMessage, 2808 command CommandMessage 2809} 2810 2811-- =================================================================================== 2812-- Indication Message : Function not Supported 2813-- =================================================================================== 2814 2815-- This is used to return a complete request, response or command that is not recognized 2816 2817FunctionNotSupported ::=SEQUENCE 2818{ 2819 cause CHOICE 2820 { 2821 syntaxError NULL, 2822 semanticError NULL, 2823 unknownFunction NULL, 2824 ... 2825 }, 2826 returnedFunction OCTET STRING OPTIONAL, 2827 ... 2828} 2829 2830-- =================================================================================== 2831-- Indication Message : Conference 2832-- =================================================================================== 2833 2834ConferenceIndication ::=CHOICE 2835{ 2836 sbeNumber INTEGER (0..9), -- same as H.230 SBE Number 2837 2838 terminalNumberAssign TerminalLabel, -- same as H.230 TIA 2839 2840 terminalJoinedConference TerminalLabel, -- same as H.230 TIN 2841 2842 terminalLeftConference TerminalLabel, -- same as H.230 TID 2843 2844 seenByAtLeastOneOther NULL, -- same as H.230 MIV 2845 cancelSeenByAtLeastOneOther NULL, -- same as H.230 cancel MIV 2846 2847 seenByAll NULL, -- like H.230 MIV 2848 cancelSeenByAll NULL, -- like H.230 MIV 2849 2850 terminalYouAreSeeing TerminalLabel, -- same as H.230 VIN 2851 2852 requestForFloor NULL, -- same as H.230 TIF 2853 2854 ..., 2855 withdrawChairToken NULL, -- same as H.230 CCR 2856 -- MC-> chair 2857 floorRequested TerminalLabel -- same as H.230 TIF 2858 -- MC-> chair 2859} 2860 2861 2862-- =================================================================================== 2863-- Indication Message : Miscellaneous H.230-like indication 2864-- =================================================================================== 2865 2866MiscellaneousIndication ::=SEQUENCE 2867{ 2868 logicalChannelNumber LogicalChannelNumber, 2869 type CHOICE 2870 { 2871 logicalChannelActive NULL, -- same as H.230 AIA and VIA 2872 logicalChannelInactive NULL, -- same as H.230 AIM and VIS 2873 2874 multipointConference NULL, 2875 cancelMultipointConference NULL, 2876 2877 multipointZeroComm NULL, -- same as H.230 MIZ 2878 cancelMultipointZeroComm NULL, -- same as H.230 cancel MIZ 2879 2880 multipointSecondaryStatus NULL, -- same as H.230 MIS 2881 cancelMultipointSecondaryStatus NULL, -- same as H.230 cancel MIS 2882 2883 videoIndicateReadyToActivate NULL, -- same as H.230 VIR 2884 2885 videoTemporalSpatialTradeOff INTEGER (0..31), -- indicates current trade-off 2886 2887 ..., 2888 videoNotDecodedMBs SEQUENCE 2889 { 2890 firstMB INTEGER (1..8192), 2891 numberOfMBs INTEGER (1..8192), 2892 temporalReference INTEGER (0..255), 2893 ... 2894 }, 2895 transportCapability TransportCapability 2896 }, 2897 ... 2898} 2899 2900-- =================================================================================== 2901-- Indication Message : Jitter Indication 2902-- =================================================================================== 2903 2904JitterIndication ::=SEQUENCE 2905{ 2906 scope CHOICE 2907 { 2908 logicalChannelNumber LogicalChannelNumber, 2909 resourceID INTEGER (0..65535), 2910 wholeMultiplex NULL 2911 }, 2912 estimatedReceivedJitterMantissa INTEGER (0..3), 2913 estimatedReceivedJitterExponent INTEGER (0..7), 2914 skippedFrameCount INTEGER (0..15) OPTIONAL, 2915 additionalDecoderBuffer INTEGER (0..262143) OPTIONAL, -- 262143 is 2^18 - 1 2916 ... 2917} 2918 2919-- =================================================================================== 2920-- Indication Message : H.223 logical channel skew 2921-- =================================================================================== 2922 2923H223SkewIndication ::=SEQUENCE 2924{ 2925 logicalChannelNumber1 LogicalChannelNumber, 2926 logicalChannelNumber2 LogicalChannelNumber, 2927 skew INTEGER (0..4095), -- units milliseconds 2928 ... 2929} 2930 2931-- =================================================================================== 2932-- Indication Message : H.225.0 maximum logical channel skew 2933-- =================================================================================== 2934 2935H2250MaximumSkewIndication ::=SEQUENCE 2936{ 2937 logicalChannelNumber1 LogicalChannelNumber, 2938 logicalChannelNumber2 LogicalChannelNumber, 2939 maximumSkew INTEGER (0..4095), -- units milliseconds 2940 ... 2941} 2942 2943-- =================================================================================== 2944-- Indication Message : MC Location Indication 2945-- =================================================================================== 2946 2947MCLocationIndication ::=SEQUENCE 2948{ 2949 signalAddress TransportAddress, -- this is the H.323 Call Signalling 2950 -- address of the entity which 2951 -- contains the MC 2952 ... 2953} 2954 2955-- =================================================================================== 2956-- Indication Message : Vendor Identification 2957-- =================================================================================== 2958 2959 VendorIdentification ::=SEQUENCE 2960 { 2961 vendor NonStandardIdentifier, 2962 productNumber OCTET STRING (SIZE(1..256)) OPTIONAL, -- per vendor 2963 versionNumber OCTET STRING (SIZE(1..256)) OPTIONAL, -- per productNumber 2964 ... 2965 } 2966 2967 2968-- =================================================================================== 2969-- Indication Message : New ATM virtual channel indication 2970-- =================================================================================== 2971 2972NewATMVCIndication ::=SEQUENCE 2973{ 2974 resourceID INTEGER(0..65535), 2975 bitRate INTEGER(1..65535), -- units 64 kbit/s 2976 bitRateLockedToPCRClock BOOLEAN, 2977 bitRateLockedToNetworkClock BOOLEAN, 2978 aal CHOICE 2979 { 2980 aal1 SEQUENCE 2981 { 2982 clockRecovery CHOICE 2983 { 2984 nullClockRecovery NULL, 2985 srtsClockRecovery NULL, 2986 adaptiveClockRecovery NULL, 2987 ... 2988 }, 2989 errorCorrection CHOICE 2990 { 2991 nullErrorCorrection NULL, 2992 longInterleaver NULL, 2993 shortInterleaver NULL, 2994 errorCorrectionOnly NULL, 2995 ... 2996 }, 2997 structuredDataTransfer BOOLEAN, 2998 partiallyFilledCells BOOLEAN, 2999 ... 3000 }, 3001 aal5 SEQUENCE 3002 { 3003 forwardMaximumSDUSize INTEGER (0..65535), -- units octets 3004 backwardMaximumSDUSize INTEGER (0..65535), -- units octets 3005 ... 3006 }, 3007 ... 3008 }, 3009 multiplex CHOICE 3010 { 3011 noMultiplex NULL, 3012 transportStream NULL, 3013 programStream NULL, 3014 ... 3015 }, 3016 ..., 3017 reverseParameters SEQUENCE 3018 { 3019 bitRate INTEGER(1..65535), -- units 64 kbit/s 3020 bitRateLockedToPCRClock BOOLEAN, 3021 bitRateLockedToNetworkClock BOOLEAN, 3022 multiplex CHOICE 3023 { 3024 noMultiplex NULL, 3025 transportStream NULL, 3026 programStream NULL, 3027 ... 3028 }, 3029 ... 3030 } 3031} 3032 3033-- =================================================================================== 3034-- Indication Message : user input 3035-- =================================================================================== 3036 3037UserInputIndication ::=CHOICE 3038{ 3039 nonStandard NonStandardParameter, 3040 alphanumeric GeneralString, 3041 ..., 3042 userInputSupportIndication CHOICE 3043 { 3044 nonStandard NonStandardParameter, 3045 basicString NULL, 3046 iA5String NULL, 3047 generalString NULL, 3048 ... 3049 }, 3050 signal SEQUENCE 3051 { 3052 signalType IA5String (SIZE (1) ^ FROM ("0123456789#*ABCD!")), 3053-- signalType IA5String (SIZE (1)) (FROM ("0123456789#*ABCD!")), 3054 duration INTEGER (1..65535) OPTIONAL, -- milliseconds 3055 rtp SEQUENCE 3056 { 3057 timestamp INTEGER (0..4294967295) OPTIONAL, 3058 expirationTime INTEGER (0..4294967295) OPTIONAL, 3059 logicalChannelNumber LogicalChannelNumber, 3060 ... 3061 } OPTIONAL, 3062 ... 3063 }, 3064 signalUpdate SEQUENCE 3065 { 3066 duration INTEGER (1..65535), -- milliseconds 3067 rtp SEQUENCE 3068 { 3069 logicalChannelNumber LogicalChannelNumber, 3070 ... 3071 } OPTIONAL, 3072 ... 3073 } 3074} 3075 3076 3077END 3078 3079 3080 3081 3082 3083 3084 3085