Version 13
MULTIMEDIA-SYSTEM-CONTROL DEFINITIONS AUTOMATIC TAGS ::=
BEGIN
-- Export all symbols
-- =======================================================================
-- Top level Messages
-- =======================================================================
MultimediaSystemControlMessage ::= CHOICE {
request RequestMessage,
response ResponseMessage,
command CommandMessage,
indication IndicationMessage,
...}
-- A RequestMessage results in action and requires an immediate response
RequestMessage ::= CHOICE {
nonStandard NonStandardMessage,
masterSlaveDetermination MasterSlaveDetermination,
terminalCapabilitySet TerminalCapabilitySet,
openLogicalChannel OpenLogicalChannel,
closeLogicalChannel CloseLogicalChannel,
requestChannelClose RequestChannelClose,
multiplexEntrySend MultiplexEntrySend,
requestMultiplexEntry RequestMultiplexEntry,
requestMode RequestMode,
roundTripDelayRequest RoundTripDelayRequest,
maintenanceLoopRequest MaintenanceLoopRequest,
...,
communicationModeRequest CommunicationModeRequest,
conferenceRequest ConferenceRequest,
multilinkRequest MultilinkRequest,
logicalChannelRateRequest LogicalChannelRateRequest,
genericRequest GenericMessage}
-- A ResponseMessage is the response to a RequestMessage
ResponseMessage ::= CHOICE {
nonStandard NonStandardMessage,
masterSlaveDeterminationAck MasterSlaveDeterminationAck,
masterSlaveDeterminationReject MasterSlaveDeterminationReject,
terminalCapabilitySetAck TerminalCapabilitySetAck,
terminalCapabilitySetReject TerminalCapabilitySetReject,
openLogicalChannelAck OpenLogicalChannelAck,
openLogicalChannelReject OpenLogicalChannelReject,
closeLogicalChannelAck CloseLogicalChannelAck,
requestChannelCloseAck RequestChannelCloseAck,
requestChannelCloseReject RequestChannelCloseReject,
multiplexEntrySendAck MultiplexEntrySendAck,
multiplexEntrySendReject MultiplexEntrySendReject,
requestMultiplexEntryAck RequestMultiplexEntryAck,
requestMultiplexEntryReject RequestMultiplexEntryReject,
requestModeAck RequestModeAck,
requestModeReject RequestModeReject,
roundTripDelayResponse RoundTripDelayResponse,
maintenanceLoopAck MaintenanceLoopAck,
maintenanceLoopReject MaintenanceLoopReject,
...,
communicationModeResponse CommunicationModeResponse,
conferenceResponse ConferenceResponse,
multilinkResponse MultilinkResponse,
logicalChannelRateAcknowledge LogicalChannelRateAcknowledge,
logicalChannelRateReject LogicalChannelRateReject,
genericResponse GenericMessage}
-- A CommandMessage requires action, but no explicit response
CommandMessage ::= CHOICE {
nonStandard NonStandardMessage,
maintenanceLoopOffCommand MaintenanceLoopOffCommand,
sendTerminalCapabilitySet SendTerminalCapabilitySet,
encryptionCommand EncryptionCommand,
flowControlCommand FlowControlCommand,
endSessionCommand EndSessionCommand,
miscellaneousCommand MiscellaneousCommand,
...,
communicationModeCommand CommunicationModeCommand,
conferenceCommand ConferenceCommand,
h223MultiplexReconfiguration H223MultiplexReconfiguration,
newATMVCCommand NewATMVCCommand,
mobileMultilinkReconfigurationCommand MobileMultilinkReconfigurationCommand,
genericCommand GenericMessage}
-- An IndicationMessage is information that does not require action or response
IndicationMessage ::= CHOICE {
nonStandard NonStandardMessage,
functionNotUnderstood FunctionNotUnderstood,
masterSlaveDeterminationRelease MasterSlaveDeterminationRelease,
terminalCapabilitySetRelease TerminalCapabilitySetRelease,
openLogicalChannelConfirm OpenLogicalChannelConfirm,
requestChannelCloseRelease RequestChannelCloseRelease,
multiplexEntrySendRelease MultiplexEntrySendRelease,
requestMultiplexEntryRelease RequestMultiplexEntryRelease,
requestModeRelease RequestModeRelease,
miscellaneousIndication MiscellaneousIndication,
jitterIndication JitterIndication,
h223SkewIndication H223SkewIndication,
newATMVCIndication NewATMVCIndication,
userInput UserInputIndication,
...,
h2250MaximumSkewIndication H2250MaximumSkewIndication,
mcLocationIndication MCLocationIndication,
conferenceIndication ConferenceIndication,
vendorIdentification VendorIdentification,
functionNotSupported FunctionNotSupported,
multilinkIndication MultilinkIndication,
logicalChannelRateRelease LogicalChannelRateRelease,
flowControlIndication FlowControlIndication,
mobileMultilinkReconfigurationIndication
MobileMultilinkReconfigurationIndication,
genericIndication GenericMessage}
-- SequenceNumber is defined here as it is used in a number of Messages
SequenceNumber ::= INTEGER(0..255)
-- =============================================================================
-- Generic Message definitions
-- =============================================================================
GenericMessage ::= SEQUENCE {
messageIdentifier CapabilityIdentifier,
subMessageIdentifier INTEGER(0..127) OPTIONAL,
messageContent SEQUENCE OF GenericParameter OPTIONAL,
...}
GenericInformation ::= GenericMessage
-- =============================================================================
-- Non-standard Message definitions
-- =============================================================================
NonStandardMessage ::= SEQUENCE {nonStandardData NonStandardParameter,
...}
NonStandardParameter ::= SEQUENCE {
nonStandardIdentifier NonStandardIdentifier,
data OCTET STRING}
NonStandardIdentifier ::= CHOICE {
object OBJECT IDENTIFIER,
h221NonStandard
SEQUENCE {t35CountryCode INTEGER(0..255), -- country, per --
-- Annex A/T.35
t35Extension INTEGER(0..255),
-- assigned nationally unless
-- t35CountryCode is binary
-- 1111 1111, in which case it shall
-- contain the country code
-- according to Annex B/T.35
manufacturerCode INTEGER(0..65535) -- assigned nationally--}}
-- =============================================================================
-- Master-slave determination definitions
-- =============================================================================
MasterSlaveDetermination ::= SEQUENCE {
terminalType INTEGER(0..255),
statusDeterminationNumber INTEGER(0..16777215),
...}
MasterSlaveDeterminationAck ::= SEQUENCE {
decision CHOICE {master NULL,
slave NULL},
...}
MasterSlaveDeterminationReject ::= SEQUENCE {
cause CHOICE {identicalNumbers NULL,
...},
...}
MasterSlaveDeterminationRelease ::= SEQUENCE {...}
-- =============================================================================
-- Capability exchange definitions
-- =============================================================================
TerminalCapabilitySet ::= SEQUENCE {
sequenceNumber SequenceNumber,
protocolIdentifier OBJECT IDENTIFIER,
-- shall be set to the value
-- {itu-t (0) recommendation (0) h (8) 245
-- version (0) 13}
multiplexCapability MultiplexCapability OPTIONAL,
capabilityTable SET SIZE (1..256) OF CapabilityTableEntry OPTIONAL,
capabilityDescriptors SET SIZE (1..256) OF CapabilityDescriptor OPTIONAL,
...,
genericInformation SEQUENCE OF GenericInformation OPTIONAL
-- generic information associated
-- with the message--}
CapabilityTableEntry ::= SEQUENCE {
capabilityTableEntryNumber CapabilityTableEntryNumber,
capability Capability OPTIONAL}
CapabilityDescriptor ::= SEQUENCE {
capabilityDescriptorNumber CapabilityDescriptorNumber,
simultaneousCapabilities
SET SIZE (1..256) OF AlternativeCapabilitySet OPTIONAL}
AlternativeCapabilitySet ::=
SEQUENCE SIZE (1..256) OF CapabilityTableEntryNumber
CapabilityTableEntryNumber ::= INTEGER(1..65535)
CapabilityDescriptorNumber ::= INTEGER(0..255)
TerminalCapabilitySetAck ::= SEQUENCE {
sequenceNumber SequenceNumber,
...,
genericInformation SEQUENCE OF GenericInformation OPTIONAL
-- generic information associated
-- with the message--}
TerminalCapabilitySetReject ::= SEQUENCE {
sequenceNumber SequenceNumber,
cause
CHOICE {unspecified NULL,
undefinedTableEntryUsed NULL,
descriptorCapacityExceeded NULL,
tableEntryCapacityExceeded
CHOICE {highestEntryNumberProcessed CapabilityTableEntryNumber,
noneProcessed NULL},
...},
...,
genericInformation SEQUENCE OF GenericInformation OPTIONAL
-- generic information associated
-- with the message--}
TerminalCapabilitySetRelease ::= SEQUENCE {
...,
genericInformation SEQUENCE OF GenericInformation OPTIONAL
-- generic information associated
-- with the message--}
-- =============================================================================
-- Capability exchange definitions: top level capability description
-- =============================================================================
Capability ::= CHOICE {
nonStandard NonStandardParameter,
receiveVideoCapability VideoCapability,
transmitVideoCapability VideoCapability,
receiveAndTransmitVideoCapability VideoCapability,
receiveAudioCapability AudioCapability,
transmitAudioCapability AudioCapability,
receiveAndTransmitAudioCapability AudioCapability,
receiveDataApplicationCapability DataApplicationCapability,
transmitDataApplicationCapability DataApplicationCapability,
receiveAndTransmitDataApplicationCapability DataApplicationCapability,
h233EncryptionTransmitCapability BOOLEAN,
h233EncryptionReceiveCapability
SEQUENCE {h233IVResponseTime INTEGER(0..255), -- units milliseconds --
...},
...,
conferenceCapability ConferenceCapability,
h235SecurityCapability H235SecurityCapability,
maxPendingReplacementFor INTEGER(0..255),
receiveUserInputCapability UserInputCapability,
transmitUserInputCapability UserInputCapability,
receiveAndTransmitUserInputCapability UserInputCapability,
genericControlCapability GenericCapability,
receiveMultiplexedStreamCapability MultiplexedStreamCapability,
transmitMultiplexedStreamCapability MultiplexedStreamCapability,
receiveAndTransmitMultiplexedStreamCapability MultiplexedStreamCapability,
receiveRTPAudioTelephonyEventCapability AudioTelephonyEventCapability,
receiveRTPAudioToneCapability AudioToneCapability,
depFecCapability DepFECCapability, -- Deprecated, do not use
multiplePayloadStreamCapability
MultiplePayloadStreamCapability,
fecCapability FECCapability,
redundancyEncodingCap RedundancyEncodingCapability,
oneOfCapabilities AlternativeCapabilitySet}
H235SecurityCapability ::= SEQUENCE {
encryptionAuthenticationAndIntegrity EncryptionAuthenticationAndIntegrity,
mediaCapability CapabilityTableEntryNumber,
-- NOTE - The mediaCapability shall refer to Capability Table Entries
-- that do contain, directly or indirectly, one or more transmit,
-- receive, or receiveAndTransmit AudioCapability, VideoCapability,
-- DataApplicationCapability, or similar capabilities indicated by a
-- NonStandardParameter or GenericCapability only
...}
-- =============================================================================
-- Capability exchange definitions: Multiplex capabilities
-- =============================================================================
MultiplexCapability ::= CHOICE {
nonStandard NonStandardParameter,
h222Capability H222Capability,
h223Capability H223Capability,
v76Capability V76Capability,
...,
h2250Capability H2250Capability,
genericMultiplexCapability GenericCapability}
H222Capability ::= SEQUENCE {
numberOfVCs INTEGER(1..256),
vcCapability SET OF VCCapability,
...}
VCCapability ::= SEQUENCE {
aal1
SEQUENCE {nullClockRecovery BOOLEAN,
srtsClockRecovery BOOLEAN,
adaptiveClockRecovery BOOLEAN,
nullErrorCorrection BOOLEAN,
longInterleaver BOOLEAN,
shortInterleaver BOOLEAN,
errorCorrectionOnly BOOLEAN,
structuredDataTransfer BOOLEAN,
partiallyFilledCells BOOLEAN,
...} OPTIONAL,
aal5
SEQUENCE {forwardMaximumSDUSize INTEGER(0..65535), -- units octets--
backwardMaximumSDUSize INTEGER(0..65535), -- units octets--
...} OPTIONAL,
transportStream BOOLEAN,
programStream BOOLEAN,
availableBitRates
SEQUENCE {type
CHOICE {singleBitRate INTEGER(1..65535), -- units 64 kbit/s--
rangeOfBitRates
SEQUENCE {lowerBitRate INTEGER(1..65535), -- units 64 kbit/s--
higherBitRate INTEGER(1..65535) -- units 64 kbit/s--}},
...},
...,
aal1ViaGateway
SEQUENCE {gatewayAddress SET SIZE (1..256) OF Q2931Address,
nullClockRecovery BOOLEAN,
srtsClockRecovery BOOLEAN,
adaptiveClockRecovery BOOLEAN,
nullErrorCorrection BOOLEAN,
longInterleaver BOOLEAN,
shortInterleaver BOOLEAN,
errorCorrectionOnly BOOLEAN,
structuredDataTransfer BOOLEAN,
partiallyFilledCells BOOLEAN,
...} OPTIONAL}
H223Capability ::= SEQUENCE {
transportWithI-frames BOOLEAN, -- I-frame transport
-- of H.245
videoWithAL1 BOOLEAN,
videoWithAL2 BOOLEAN,
videoWithAL3 BOOLEAN,
audioWithAL1 BOOLEAN,
audioWithAL2 BOOLEAN,
audioWithAL3 BOOLEAN,
dataWithAL1 BOOLEAN,
dataWithAL2 BOOLEAN,
dataWithAL3 BOOLEAN,
maximumAl2SDUSize INTEGER(0..65535), -- units octets
maximumAl3SDUSize INTEGER(0..65535), -- units octets
maximumDelayJitter INTEGER(0..1023), -- units milliseconds
h223MultiplexTableCapability
CHOICE {basic NULL,
enhanced
SEQUENCE {maximumNestingDepth INTEGER(1..15),
maximumElementListSize INTEGER(2..255),
maximumSubElementListSize INTEGER(2..255),
...}},
...,
maxMUXPDUSizeCapability BOOLEAN,
nsrpSupport BOOLEAN,
mobileOperationTransmitCapability
SEQUENCE {modeChangeCapability BOOLEAN,
h223AnnexA BOOLEAN,
h223AnnexADoubleFlag BOOLEAN,
h223AnnexB BOOLEAN,
h223AnnexBwithHeader BOOLEAN,
...} OPTIONAL,
h223AnnexCCapability H223AnnexCCapability OPTIONAL,
bitRate INTEGER(1..19200) OPTIONAL, -- units of
-- 100 bit/s
mobileMultilinkFrameCapability
SEQUENCE {maximumSampleSize INTEGER(1..255), -- units octets--
maximumPayloadLength INTEGER(1..65025), -- units octets--
...} OPTIONAL}
H223AnnexCCapability ::= SEQUENCE {
videoWithAL1M BOOLEAN,
videoWithAL2M BOOLEAN,
videoWithAL3M BOOLEAN,
audioWithAL1M BOOLEAN,
audioWithAL2M BOOLEAN,
audioWithAL3M BOOLEAN,
dataWithAL1M BOOLEAN,
dataWithAL2M BOOLEAN,
dataWithAL3M BOOLEAN,
alpduInterleaving BOOLEAN,
maximumAL1MPDUSize INTEGER(0..65535), -- units octets
maximumAL2MSDUSize INTEGER(0..65535), -- units octets
maximumAL3MSDUSize INTEGER(0..65535), -- units octets
...,
rsCodeCapability BOOLEAN OPTIONAL}
V76Capability ::= SEQUENCE {
suspendResumeCapabilitywAddress BOOLEAN,
suspendResumeCapabilitywoAddress BOOLEAN,
rejCapability BOOLEAN,
sREJCapability BOOLEAN,
mREJCapability BOOLEAN,
crc8bitCapability BOOLEAN,
crc16bitCapability BOOLEAN,
crc32bitCapability BOOLEAN,
uihCapability BOOLEAN,
numOfDLCS INTEGER(2..8191),
twoOctetAddressFieldCapability BOOLEAN,
loopBackTestCapability BOOLEAN,
n401Capability INTEGER(1..4095),
maxWindowSizeCapability INTEGER(1..127),
v75Capability V75Capability,
...}
V75Capability ::= SEQUENCE {audioHeader BOOLEAN,
...}
H2250Capability ::= SEQUENCE {
maximumAudioDelayJitter INTEGER(0..1023), -- units in
-- milliseconds
receiveMultipointCapability MultipointCapability,
transmitMultipointCapability MultipointCapability,
receiveAndTransmitMultipointCapability MultipointCapability,
mcCapability
SEQUENCE {centralizedConferenceMC BOOLEAN,
decentralizedConferenceMC BOOLEAN,
...},
rtcpVideoControlCapability BOOLEAN, -- FIR and NACK
mediaPacketizationCapability MediaPacketizationCapability,
...,
transportCapability TransportCapability OPTIONAL,
redundancyEncodingCapability
SEQUENCE SIZE (1..256) OF RedundancyEncodingCapability OPTIONAL,
logicalChannelSwitchingCapability BOOLEAN,
t120DynamicPortCapability BOOLEAN}
MediaPacketizationCapability ::= SEQUENCE {
h261aVideoPacketization BOOLEAN,
...,
rtpPayloadType SEQUENCE SIZE (1..256) OF RTPPayloadType OPTIONAL}
RSVPParameters ::= SEQUENCE {
qosMode QOSMode OPTIONAL,
tokenRate INTEGER(1..4294967295) OPTIONAL,
-- rate in bytes/s
bucketSize INTEGER(1..4294967295) OPTIONAL,
-- size in bytes
peakRate INTEGER(1..4294967295) OPTIONAL,
-- peak bandwidth bytes/s
minPoliced INTEGER(1..4294967295) OPTIONAL,
--
maxPktSize INTEGER(1..4294967295) OPTIONAL,
-- size in bytes
...}
QOSMode ::= CHOICE {guaranteedQOS NULL,
controlledLoad NULL,
...}
ATMParameters ::= SEQUENCE {
maxNTUSize INTEGER(0..65535), -- units in octets
atmUBR BOOLEAN, -- unspecified bit rate
atmrtVBR BOOLEAN, -- real time variable
-- bit rate
atmnrtVBR BOOLEAN, -- non real time
-- variable bit rate
atmABR BOOLEAN, -- available bit rate
atmCBR BOOLEAN, -- constant bit rate
...}
ServicePriorityValue ::= SEQUENCE {
nonStandardParameter NonStandardParameter OPTIONAL,
...}
ServicePriority ::= SEQUENCE {
nonStandardData NonStandardParameter OPTIONAL,
servicePrioritySignalled BOOLEAN,
servicePriorityValue ServicePriorityValue OPTIONAL,
...}
AuthorizationParameters ::= SEQUENCE {
nonStandardData NonStandardParameter OPTIONAL,
...}
QOSType ::= CHOICE {desired NULL,
required NULL,
...}
QOSClass ::= CHOICE {
class0 NULL,
class1 NULL,
class2 NULL,
class3 NULL,
class4 NULL,
class5 NULL,
...}
QOSDescriptor ::= SEQUENCE {
nonStandardData NonStandardParameter OPTIONAL,
qosType QOSType,
qosClass QOSClass,
...}
GenericTransportParameters ::= SEQUENCE {
nonStandardData NonStandardParameter OPTIONAL,
averageRate INTEGER(1..4294967295) OPTIONAL,
-- average bandwidth bytes/sec
burst INTEGER(1..4294967295) OPTIONAL,
-- size in bytes
peakRate INTEGER(1..4294967295) OPTIONAL,
-- peak bandwidth bytes/sec
maxPktSize INTEGER(1..4294967295) OPTIONAL,
-- size in bytes
...}
QOSCapability ::= SEQUENCE {
nonStandardData NonStandardParameter OPTIONAL,
rsvpParameters RSVPParameters OPTIONAL,
atmParameters ATMParameters OPTIONAL,
...,
localQoS BOOLEAN OPTIONAL,
genericTransportParameters GenericTransportParameters OPTIONAL,
servicePriority ServicePriority OPTIONAL,
authorizationParameter AuthorizationParameters OPTIONAL,
qosDescriptor QOSDescriptor OPTIONAL,
dscpValue INTEGER(0..63) OPTIONAL}
MediaTransportType ::= CHOICE {
ip-UDP NULL,
ip-TCP NULL,
atm-AAL5-UNIDIR NULL, -- virtual circuits used as unidirectional
atm-AAL5-BIDIR NULL, -- virtual circuits used as bidirectional
...,
atm-AAL5-compressed SEQUENCE {variable-delta BOOLEAN,
...}}
MediaChannelCapability ::= SEQUENCE {
mediaTransport MediaTransportType OPTIONAL,
...}
TransportCapability ::= SEQUENCE {
nonStandard NonStandardParameter OPTIONAL,
qOSCapabilities SEQUENCE SIZE (1..256) OF QOSCapability OPTIONAL,
mediaChannelCapabilities
SEQUENCE SIZE (1..256) OF MediaChannelCapability OPTIONAL,
...}
RedundancyEncodingCapability ::= SEQUENCE {
redundancyEncodingMethod RedundancyEncodingMethod,
primaryEncoding CapabilityTableEntryNumber,
secondaryEncoding
SEQUENCE SIZE (1..256) OF CapabilityTableEntryNumber OPTIONAL,
-- must be Audio, Video, or Data capabilities, not derived
-- capabilities; redundancy order is inferred from number of
-- secondary encodings
...}
RedundancyEncodingMethod ::= CHOICE {
nonStandard NonStandardParameter,
rtpAudioRedundancyEncoding NULL,
...,
rtpH263VideoRedundancyEncoding RTPH263VideoRedundancyEncoding}
RTPH263VideoRedundancyEncoding ::= SEQUENCE {
numberOfThreads INTEGER(1..16),
framesBetweenSyncPoints INTEGER(1..256),
frameToThreadMapping
CHOICE {roundrobin NULL,
custom
SEQUENCE SIZE (1..256) OF RTPH263VideoRedundancyFrameMapping,
-- empty SEQUENCE for capability negotiation
-- meaningful contents only OpenLogicalChannel
...},
containedThreads SEQUENCE SIZE (1..256) OF INTEGER(0..15) OPTIONAL,
-- only used for opening of logical channels
...}
RTPH263VideoRedundancyFrameMapping ::= SEQUENCE {
threadNumber INTEGER(0..15),
frameSequence SEQUENCE SIZE (1..256) OF INTEGER(0..255),
...}
MultipointCapability ::= SEQUENCE {
multicastCapability BOOLEAN,
multiUniCastConference BOOLEAN,
mediaDistributionCapability SEQUENCE OF MediaDistributionCapability,
...}
MediaDistributionCapability ::= SEQUENCE {
centralizedControl BOOLEAN,
distributedControl BOOLEAN, -- for further study in
-- ITU-T Rec. H.323
centralizedAudio BOOLEAN,
distributedAudio BOOLEAN,
centralizedVideo BOOLEAN,
distributedVideo BOOLEAN,
centralizedData SEQUENCE OF DataApplicationCapability OPTIONAL,
distributedData SEQUENCE OF DataApplicationCapability OPTIONAL,
-- for further study in
-- ITU-T Rec. H.323
...}
-- =============================================================================
-- Capability exchange definitions: Video capabilities
-- =============================================================================
VideoCapability ::= CHOICE {
nonStandard NonStandardParameter,
h261VideoCapability H261VideoCapability,
h262VideoCapability H262VideoCapability,
h263VideoCapability H263VideoCapability,
is11172VideoCapability IS11172VideoCapability,
...,
genericVideoCapability GenericCapability,
extendedVideoCapability ExtendedVideoCapability}
ExtendedVideoCapability ::= SEQUENCE {
videoCapability SEQUENCE OF VideoCapability,
videoCapabilityExtension SEQUENCE OF GenericCapability OPTIONAL,
...}
H261VideoCapability ::= SEQUENCE {
qcifMPI INTEGER(1..4) OPTIONAL, -- units 1/29.97 Hz
cifMPI INTEGER(1..4) OPTIONAL, -- units 1/29.97 Hz
temporalSpatialTradeOffCapability BOOLEAN,
maxBitRate INTEGER(1..19200), -- units of
-- 100 bit/s
stillImageTransmission BOOLEAN, -- Annex D/H.261
...,
videoBadMBsCap BOOLEAN}
H262VideoCapability ::= SEQUENCE {
profileAndLevel-SPatML BOOLEAN,
profileAndLevel-MPatLL BOOLEAN,
profileAndLevel-MPatML BOOLEAN,
profileAndLevel-MPatH-14 BOOLEAN,
profileAndLevel-MPatHL BOOLEAN,
profileAndLevel-SNRatLL BOOLEAN,
profileAndLevel-SNRatML BOOLEAN,
profileAndLevel-SpatialatH-14 BOOLEAN,
profileAndLevel-HPatML BOOLEAN,
profileAndLevel-HPatH-14 BOOLEAN,
profileAndLevel-HPatHL BOOLEAN,
videoBitRate INTEGER(0..1073741823) OPTIONAL, -- units 400 bit/s
vbvBufferSize INTEGER(0..262143) OPTIONAL, -- units 16 384 bits
samplesPerLine INTEGER(0..16383) OPTIONAL, -- units samples/line
linesPerFrame INTEGER(0..16383) OPTIONAL, -- units lines/frame
framesPerSecond INTEGER(0..15) OPTIONAL, -- frame_rate_code
luminanceSampleRate INTEGER(0..4294967295) OPTIONAL, -- units samples/s ...,
videoBadMBsCap BOOLEAN}
H263VideoCapability ::= SEQUENCE {
sqcifMPI INTEGER(1..32) OPTIONAL, -- units 1/29.97 Hz
qcifMPI INTEGER(1..32) OPTIONAL, -- units 1/29.97 Hz
cifMPI INTEGER(1..32) OPTIONAL, -- units 1/29.97 Hz
cif4MPI INTEGER(1..32) OPTIONAL, -- units 1/29.97 Hz
cif16MPI INTEGER(1..32) OPTIONAL, -- units 1/29.97 Hz
maxBitRate INTEGER(1..192400), -- units 100 bit/s
unrestrictedVector BOOLEAN,
arithmeticCoding BOOLEAN,
advancedPrediction BOOLEAN,
pbFrames BOOLEAN,
temporalSpatialTradeOffCapability BOOLEAN,
hrd-B INTEGER(0..524287) OPTIONAL, -- units 128 bits
bppMaxKb INTEGER(0..65535) OPTIONAL, -- units 1024 bits
...,
slowSqcifMPI INTEGER(1..3600) OPTIONAL, -- units seconds/frame
slowQcifMPI INTEGER(1..3600) OPTIONAL, -- units seconds/frame
slowCifMPI INTEGER(1..3600) OPTIONAL, -- units seconds/frame
slowCif4MPI INTEGER(1..3600) OPTIONAL, -- units seconds/frame
slowCif16MPI INTEGER(1..3600) OPTIONAL, -- units seconds/frame
errorCompensation BOOLEAN,
enhancementLayerInfo EnhancementLayerInfo OPTIONAL,
h263Options H263Options OPTIONAL}
EnhancementLayerInfo ::= SEQUENCE {
baseBitRateConstrained BOOLEAN,
snrEnhancement SET SIZE (1..14) OF EnhancementOptions OPTIONAL,
spatialEnhancement SET SIZE (1..14) OF EnhancementOptions OPTIONAL,
bPictureEnhancement SET SIZE (1..14) OF BEnhancementParameters OPTIONAL,
...}
BEnhancementParameters ::= SEQUENCE {
enhancementOptions EnhancementOptions,
numberOfBPictures INTEGER(1..64),
...}
EnhancementOptions ::= SEQUENCE {
sqcifMPI INTEGER(1..32) OPTIONAL, -- units 1/29.97 Hz
qcifMPI INTEGER(1..32) OPTIONAL, -- units 1/29.97 Hz
cifMPI INTEGER(1..32) OPTIONAL, -- units 1/29.97 Hz
cif4MPI INTEGER(1..32) OPTIONAL, -- units 1/29.97 Hz
cif16MPI INTEGER(1..32) OPTIONAL, -- units 1/29.97 Hz
maxBitRate INTEGER(1..192400), -- units 100 bit/s
unrestrictedVector BOOLEAN,
arithmeticCoding BOOLEAN,
temporalSpatialTradeOffCapability BOOLEAN,
slowSqcifMPI INTEGER(1..3600) OPTIONAL, -- units seconds/frame
slowQcifMPI INTEGER(1..3600) OPTIONAL, -- units seconds/frame
slowCifMPI INTEGER(1..3600) OPTIONAL, -- units seconds/frame
slowCif4MPI INTEGER(1..3600) OPTIONAL, -- units seconds/frame
slowCif16MPI INTEGER(1..3600) OPTIONAL, -- units seconds/frame
errorCompensation BOOLEAN,
h263Options H263Options OPTIONAL,
...}
H263Options ::= SEQUENCE {
advancedIntraCodingMode BOOLEAN,
deblockingFilterMode BOOLEAN,
improvedPBFramesMode BOOLEAN,
unlimitedMotionVectors BOOLEAN,
fullPictureFreeze BOOLEAN,
partialPictureFreezeAndRelease BOOLEAN,
resizingPartPicFreezeAndRelease BOOLEAN,
fullPictureSnapshot BOOLEAN,
partialPictureSnapshot BOOLEAN,
videoSegmentTagging BOOLEAN,
progressiveRefinement BOOLEAN,
dynamicPictureResizingByFour BOOLEAN,
dynamicPictureResizingSixteenthPel BOOLEAN,
dynamicWarpingHalfPel BOOLEAN,
dynamicWarpingSixteenthPel BOOLEAN,
independentSegmentDecoding BOOLEAN,
slicesInOrder-NonRect BOOLEAN,
slicesInOrder-Rect BOOLEAN,
slicesNoOrder-NonRect BOOLEAN,
slicesNoOrder-Rect BOOLEAN,
alternateInterVLCMode BOOLEAN,
modifiedQuantizationMode BOOLEAN,
reducedResolutionUpdate BOOLEAN,
transparencyParameters TransparencyParameters OPTIONAL,
separateVideoBackChannel BOOLEAN,
refPictureSelection RefPictureSelection OPTIONAL,
customPictureClockFrequency
SET SIZE (1..16) OF CustomPictureClockFrequency OPTIONAL,
customPictureFormat
SET SIZE (1..16) OF CustomPictureFormat OPTIONAL,
modeCombos
SET SIZE (1..16) OF H263VideoModeCombos OPTIONAL,
...,
videoBadMBsCap BOOLEAN,
h263Version3Options H263Version3Options}
TransparencyParameters ::= SEQUENCE {
presentationOrder INTEGER(1..256),
offset-x INTEGER(-262144..262143), -- 1/8 pixels
offset-y INTEGER(-262144..262143), -- 1/8 pixels
scale-x INTEGER(1..255),
scale-y INTEGER(1..255),
...}
RefPictureSelection ::= SEQUENCE {
additionalPictureMemory
SEQUENCE {sqcifAdditionalPictureMemory INTEGER(1..256) OPTIONAL, -- units frame--
qcifAdditionalPictureMemory INTEGER(1..256) OPTIONAL, -- units frame--
cifAdditionalPictureMemory INTEGER(1..256) OPTIONAL, -- units frame--
cif4AdditionalPictureMemory INTEGER(1..256) OPTIONAL, -- units frame--
cif16AdditionalPictureMemory INTEGER(1..256) OPTIONAL, -- units frame--
bigCpfAdditionalPictureMemory INTEGER(1..256) OPTIONAL, -- units frame--
...} OPTIONAL,
videoMux BOOLEAN,
videoBackChannelSend
CHOICE {none NULL,
ackMessageOnly NULL,
nackMessageOnly NULL,
ackOrNackMessageOnly NULL,
ackAndNackMessage NULL,
...},
...,
enhancedReferencePicSelect
SEQUENCE {subPictureRemovalParameters
SEQUENCE {mpuHorizMBs INTEGER(1..128),
mpuVertMBs INTEGER(1..72),
mpuTotalNumber INTEGER(1..65536),
...} OPTIONAL,
...}}
CustomPictureClockFrequency ::= SEQUENCE {
clockConversionCode INTEGER(1000..1001),
clockDivisor INTEGER(1..127),
sqcifMPI INTEGER(1..2048) OPTIONAL,
qcifMPI INTEGER(1..2048) OPTIONAL,
cifMPI INTEGER(1..2048) OPTIONAL,
cif4MPI INTEGER(1..2048) OPTIONAL,
cif16MPI INTEGER(1..2048) OPTIONAL,
...}
CustomPictureFormat ::= SEQUENCE {
maxCustomPictureWidth INTEGER(1..2048), -- units 4 pixels
maxCustomPictureHeight INTEGER(1..2048), -- units 4 pixels
minCustomPictureWidth INTEGER(1..2048), -- units 4 pixels
minCustomPictureHeight INTEGER(1..2048), -- units 4 pixels
mPI
SEQUENCE {standardMPI INTEGER(1..31) OPTIONAL,
customPCF
SET SIZE (1..16) OF
SEQUENCE {clockConversionCode INTEGER(1000..1001),
clockDivisor INTEGER(1..127),
customMPI INTEGER(1..2048),
...} OPTIONAL,
...},
pixelAspectInformation
CHOICE {anyPixelAspectRatio BOOLEAN,
pixelAspectCode SET SIZE (1..14) OF INTEGER(1..14),
extendedPAR
SET SIZE (1..256) OF
SEQUENCE {width INTEGER(1..255),
height INTEGER(1..255),
...},
...},
...}
H263VideoModeCombos ::= SEQUENCE {
h263VideoUncoupledModes H263ModeComboFlags,
h263VideoCoupledModes SET SIZE (1..16) OF H263ModeComboFlags,
...}
H263ModeComboFlags ::= SEQUENCE {
unrestrictedVector BOOLEAN,
arithmeticCoding BOOLEAN,
advancedPrediction BOOLEAN,
pbFrames BOOLEAN,
advancedIntraCodingMode BOOLEAN,
deblockingFilterMode BOOLEAN,
unlimitedMotionVectors BOOLEAN,
slicesInOrder-NonRect BOOLEAN,
slicesInOrder-Rect BOOLEAN,
slicesNoOrder-NonRect BOOLEAN,
slicesNoOrder-Rect BOOLEAN,
improvedPBFramesMode BOOLEAN,
referencePicSelect BOOLEAN,
dynamicPictureResizingByFour BOOLEAN,
dynamicPictureResizingSixteenthPel BOOLEAN,
dynamicWarpingHalfPel BOOLEAN,
dynamicWarpingSixteenthPel BOOLEAN,
reducedResolutionUpdate BOOLEAN,
independentSegmentDecoding BOOLEAN,
alternateInterVLCMode BOOLEAN,
modifiedQuantizationMode BOOLEAN,
...,
enhancedReferencePicSelect BOOLEAN,
h263Version3Options H263Version3Options}
H263Version3Options ::= SEQUENCE {
dataPartitionedSlices BOOLEAN,
fixedPointIDCT0 BOOLEAN,
interlacedFields BOOLEAN,
currentPictureHeaderRepetition BOOLEAN,
previousPictureHeaderRepetition BOOLEAN,
nextPictureHeaderRepetition BOOLEAN,
pictureNumber BOOLEAN,
spareReferencePictures BOOLEAN,
...}
IS11172VideoCapability ::= SEQUENCE {
constrainedBitstream BOOLEAN,
videoBitRate INTEGER(0..1073741823) OPTIONAL, -- units 400 bit/s
vbvBufferSize INTEGER(0..262143) OPTIONAL, -- units 16 384 bits
samplesPerLine INTEGER(0..16383) OPTIONAL, -- units samples/line
linesPerFrame INTEGER(0..16383) OPTIONAL, -- units lines/frame
pictureRate INTEGER(0..15) OPTIONAL,
luminanceSampleRate INTEGER(0..4294967295) OPTIONAL, -- units samples/s
...,
videoBadMBsCap BOOLEAN}
-- =============================================================================
-- Capability exchange definitions: Audio capabilities
-- =============================================================================
-- For an H.222 multiplex, the integers indicate the size of the STD buffer
-- in units of 256 octets
-- For an H.223 multiplex, the integers indicate the maximum number of audio
-- frames per AL-SDU
-- For an H.225.0 multiplex, the integers indicate the maximum number of audio
-- frames per packet
AudioCapability ::= CHOICE {
nonStandard NonStandardParameter,
g711Alaw64k INTEGER(1..256),
g711Alaw56k INTEGER(1..256),
g711Ulaw64k INTEGER(1..256),
g711Ulaw56k INTEGER(1..256),
g722-64k INTEGER(1..256),
g722-56k INTEGER(1..256),
g722-48k INTEGER(1..256),
g7231
SEQUENCE {maxAl-sduAudioFrames INTEGER(1..256),
silenceSuppression BOOLEAN},
g728 INTEGER(1..256),
g729 INTEGER(1..256),
g729AnnexA INTEGER(1..256),
is11172AudioCapability IS11172AudioCapability,
is13818AudioCapability IS13818AudioCapability,
...,
g729wAnnexB INTEGER(1..256),
g729AnnexAwAnnexB INTEGER(1..256),
g7231AnnexCCapability G7231AnnexCCapability,
gsmFullRate GSMAudioCapability,
gsmHalfRate GSMAudioCapability,
gsmEnhancedFullRate GSMAudioCapability,
genericAudioCapability GenericCapability,
g729Extensions G729Extensions,
vbd VBDCapability,
audioTelephonyEvent NoPTAudioTelephonyEventCapability,
audioTone NoPTAudioToneCapability}
G729Extensions ::= SEQUENCE {
audioUnit INTEGER(1..256) OPTIONAL,
annexA BOOLEAN,
annexB BOOLEAN,
annexD BOOLEAN,
annexE BOOLEAN,
annexF BOOLEAN,
annexG BOOLEAN,
annexH BOOLEAN,
...}
G7231AnnexCCapability ::= SEQUENCE {
maxAl-sduAudioFrames INTEGER(1..256),
silenceSuppression BOOLEAN,
g723AnnexCAudioMode
SEQUENCE {highRateMode0 INTEGER(27..78), -- units octets--
highRateMode1 INTEGER(27..78), -- units octets--
lowRateMode0 INTEGER(23..66), -- units octets--
lowRateMode1 INTEGER(23..66), -- units octets--
sidMode0 INTEGER(6..17), -- units octets--
sidMode1 INTEGER(6..17), -- units octets--
...} OPTIONAL,
...}
IS11172AudioCapability ::= SEQUENCE {
audioLayer1 BOOLEAN,
audioLayer2 BOOLEAN,
audioLayer3 BOOLEAN,
audioSampling32k BOOLEAN,
audioSampling44k1 BOOLEAN,
audioSampling48k BOOLEAN,
singleChannel BOOLEAN,
twoChannels BOOLEAN,
bitRate INTEGER(1..448), -- units kbit/s
...}
IS13818AudioCapability ::= SEQUENCE {
audioLayer1 BOOLEAN,
audioLayer2 BOOLEAN,
audioLayer3 BOOLEAN,
audioSampling16k BOOLEAN,
audioSampling22k05 BOOLEAN,
audioSampling24k BOOLEAN,
audioSampling32k BOOLEAN,
audioSampling44k1 BOOLEAN,
audioSampling48k BOOLEAN,
singleChannel BOOLEAN,
twoChannels BOOLEAN,
threeChannels2-1 BOOLEAN,
threeChannels3-0 BOOLEAN,
fourChannels2-0-2-0 BOOLEAN,
fourChannels2-2 BOOLEAN,
fourChannels3-1 BOOLEAN,
fiveChannels3-0-2-0 BOOLEAN,
fiveChannels3-2 BOOLEAN,
lowFrequencyEnhancement BOOLEAN,
multilingual BOOLEAN,
bitRate INTEGER(1..1130), -- units kbit/s
...}
GSMAudioCapability ::= SEQUENCE {
audioUnitSize INTEGER(1..256),
comfortNoise BOOLEAN,
scrambled BOOLEAN,
...}
VBDCapability ::= SEQUENCE {type AudioCapability, -- shall not be "vbd"
...}
-- =============================================================================
-- Capability exchange definitions: Data capabilities
-- =============================================================================
DataApplicationCapability ::= SEQUENCE {
application
CHOICE {nonStandard NonStandardParameter,
t120 DataProtocolCapability,
dsm-cc DataProtocolCapability,
userData DataProtocolCapability,
t84
SEQUENCE {t84Protocol DataProtocolCapability,
t84Profile T84Profile},
t434 DataProtocolCapability,
h224 DataProtocolCapability,
nlpid
SEQUENCE {nlpidProtocol DataProtocolCapability,
nlpidData OCTET STRING},
dsvdControl NULL,
h222DataPartitioning DataProtocolCapability,
...,
t30fax DataProtocolCapability,
t140 DataProtocolCapability,
t38fax
SEQUENCE {t38FaxProtocol DataProtocolCapability,
t38FaxProfile T38FaxProfile},
genericDataCapability GenericCapability},
maxBitRate INTEGER(0..4294967295), -- units 100 bit/s
...}
DataProtocolCapability ::= CHOICE {
nonStandard NonStandardParameter,
v14buffered NULL,
v42lapm NULL, -- may negotiate to V.42 bis
hdlcFrameTunnelling NULL,
h310SeparateVCStack NULL,
h310SingleVCStack NULL,
transparent NULL,
...,
segmentationAndReassembly NULL,
hdlcFrameTunnelingwSAR NULL,
v120 NULL, -- as in H.230
separateLANStack NULL,
v76wCompression
CHOICE {transmitCompression CompressionType,
receiveCompression CompressionType,
transmitAndReceiveCompression CompressionType,
...},
tcp NULL,
udp NULL}
CompressionType ::= CHOICE {v42bis V42bis,
...}
V42bis ::= SEQUENCE {
numberOfCodewords INTEGER(1..65536),
maximumStringLength INTEGER(1..256),
...}
T84Profile ::= CHOICE {
t84Unrestricted NULL,
t84Restricted
SEQUENCE {qcif BOOLEAN,
cif BOOLEAN,
ccir601Seq BOOLEAN,
ccir601Prog BOOLEAN,
hdtvSeq BOOLEAN,
hdtvProg BOOLEAN,
g3FacsMH200x100 BOOLEAN,
g3FacsMH200x200 BOOLEAN,
g4FacsMMR200x100 BOOLEAN,
g4FacsMMR200x200 BOOLEAN,
jbig200x200Seq BOOLEAN,
jbig200x200Prog BOOLEAN,
jbig300x300Seq BOOLEAN,
jbig300x300Prog BOOLEAN,
digPhotoLow BOOLEAN,
digPhotoMedSeq BOOLEAN,
digPhotoMedProg BOOLEAN,
digPhotoHighSeq BOOLEAN,
digPhotoHighProg BOOLEAN,
...}}
T38FaxProfile ::= SEQUENCE {
fillBitRemoval BOOLEAN,
transcodingJBIG BOOLEAN,
transcodingMMR BOOLEAN,
...,
version INTEGER(0..255),
-- Version 0, the default, refers to
-- T.38 (2005)
t38FaxRateManagement T38FaxRateManagement,
-- The default Data Rate Management is
-- determined by the choice of
-- DataProtocolCapability
t38FaxUdpOptions T38FaxUdpOptions OPTIONAL,
-- For UDP, t38UDPRedundancy is the default
t38FaxTcpOptions T38FaxTcpOptions OPTIONAL}
T38FaxRateManagement ::= CHOICE {
localTCF NULL,
transferredTCF NULL,
...}
T38FaxUdpOptions ::= SEQUENCE {
t38FaxMaxBuffer INTEGER OPTIONAL,
t38FaxMaxDatagram INTEGER OPTIONAL,
t38FaxUdpEC
CHOICE {t38UDPFEC NULL,
t38UDPRedundancy NULL,
...}}
T38FaxTcpOptions ::= SEQUENCE {t38TCPBidirectionalMode BOOLEAN,
...}
-- =============================================================================
-- Encryption Capability Definitions
-- =============================================================================
EncryptionAuthenticationAndIntegrity ::= SEQUENCE {
encryptionCapability EncryptionCapability OPTIONAL,
authenticationCapability AuthenticationCapability OPTIONAL,
integrityCapability IntegrityCapability OPTIONAL,
...,
genericH235SecurityCapability GenericCapability OPTIONAL}
EncryptionCapability ::= SEQUENCE SIZE (1..256) OF MediaEncryptionAlgorithm
MediaEncryptionAlgorithm ::= CHOICE {
nonStandard NonStandardParameter,
algorithm OBJECT IDENTIFIER, -- many defined
-- in ISO/IEC 9979
...}
AuthenticationCapability ::= SEQUENCE {
nonStandard NonStandardParameter OPTIONAL,
...,
antiSpamAlgorithm OBJECT IDENTIFIER OPTIONAL}
IntegrityCapability ::= SEQUENCE {
nonStandard NonStandardParameter OPTIONAL,
...}
-- =============================================================================
-- Capability Exchange Definitions: UserInput
-- =============================================================================
UserInputCapability ::= CHOICE {
nonStandard SEQUENCE SIZE (1..16) OF NonStandardParameter,
basicString NULL, -- alphanumeric
iA5String NULL, -- alphanumeric
generalString NULL, -- alphanumeric
dtmf NULL, -- supports dtmf using signal
-- and signalUpdate
hookflash NULL, -- supports hookflash using signal
...,
extendedAlphanumeric NULL,
encryptedBasicString NULL, -- encrypted Basic string in
-- encryptedAlphanumeric
encryptedIA5String NULL, -- encrypted IA5 string in
-- encryptedSignalType
encryptedGeneralString NULL, -- encrypted general string in
-- extendedAlphanumeric.encryptedalphanumeric
secureDTMF NULL, -- secure DTMF using encryptedSignalType
genericUserInputCapability GenericCapability}
-- =============================================================================
-- Capability Exchange Definitions: Conference
-- =============================================================================
ConferenceCapability ::= SEQUENCE {
nonStandardData
SEQUENCE OF NonStandardParameter OPTIONAL,
chairControlCapability BOOLEAN,
...,
videoIndicateMixingCapability BOOLEAN,
multipointVisualizationCapability BOOLEAN OPTIONAL -- same as H.230 MVC--}
-- =============================================================================
-- Capability Exchange Definitions: Generic Capability
-- =============================================================================
GenericCapability ::= SEQUENCE {
capabilityIdentifier CapabilityIdentifier,
maxBitRate INTEGER(0..4294967295) OPTIONAL,
-- Units 100 bit/s
collapsing SEQUENCE OF GenericParameter OPTIONAL,
nonCollapsing SEQUENCE OF GenericParameter OPTIONAL,
nonCollapsingRaw OCTET STRING OPTIONAL,
-- Typically contains ASN.1
-- PER encoded data describing capability
transport DataProtocolCapability OPTIONAL,
...}
CapabilityIdentifier ::= CHOICE {
standard OBJECT IDENTIFIER,
-- e.g., { itu-t (0) recommendation (0) h (8) 267
-- version (0) 2 subIdentifier (0)}
h221NonStandard NonStandardParameter,
uuid OCTET STRING(SIZE (16)),
domainBased IA5String(SIZE (1..64)),
...}
-- NOTE - The ranges of parameter values have been selected to ensure that the
-- GenericParameter preamble, standard part of ParameterIdentifier and the
-- encoding of that choice, and the preamble of ParameterValue to fit into
-- 2 octets.
GenericParameter ::= SEQUENCE {
parameterIdentifier ParameterIdentifier,
parameterValue ParameterValue,
supersedes SEQUENCE OF ParameterIdentifier OPTIONAL,
...}
ParameterIdentifier ::= CHOICE {
standard INTEGER(0..127), -- Assigned by
-- Capability
-- specifications
h221NonStandard NonStandardParameter, -- N.B.
-- NonStandardIdentifier
-- is not sufficient in
-- this case
uuid OCTET STRING(SIZE (16)), -- For non-
-- standard
domainBased IA5String(SIZE (1..64)),
...}
ParameterValue ::= CHOICE {
logical NULL, -- Only acceptable if
-- all entities
-- include this option
booleanArray INTEGER(0..255), -- array of 8 logical
-- types
unsignedMin INTEGER(0..65535), -- Look for min
-- common value
unsignedMax INTEGER(0..65535), -- Look for max
-- common value
unsigned32Min INTEGER(0..4294967295), -- Look for min
-- common value
unsigned32Max INTEGER(0..4294967295), -- Look for max
-- common value
octetString OCTET STRING, -- non-collapsing
-- octet string
genericParameter SEQUENCE OF GenericParameter,
...}
-- =============================================================================
-- Capability Exchange Definitions: Multiplexed Stream Capability
-- =============================================================================
MultiplexedStreamCapability ::= SEQUENCE {
multiplexFormat MultiplexFormat,
controlOnMuxStream BOOLEAN,
capabilityOnMuxStream SET SIZE (1..256) OF AlternativeCapabilitySet OPTIONAL,
...}
MultiplexFormat ::= CHOICE {
nonStandard NonStandardParameter,
h222Capability H222Capability,
h223Capability H223Capability,
...}
-- =============================================================================
-- Capability Exchange Definitions: AudioTelephonyEventCapability and AudioToneCapability
--==============================================================================
AudioTelephonyEventCapability ::= SEQUENCE {
dynamicRTPPayloadType INTEGER(96..127),
audioTelephoneEvent GeneralString, -- As per <list of values>
-- in 3.9/RFC 2833
...}
AudioToneCapability ::= SEQUENCE {dynamicRTPPayloadType INTEGER(96..127),
...}
-- The following definitions are as above but without a Payload Type field.
NoPTAudioTelephonyEventCapability ::= SEQUENCE {
audioTelephoneEvent GeneralString, -- As per <list of values>
-- in 3.9/RFC 2833
...}
NoPTAudioToneCapability ::= SEQUENCE {...}
-- =============================================================================
-- Capability Exchange Definitions: MultiplePayloadStreamCapability
-- =============================================================================
MultiplePayloadStreamCapability ::= SEQUENCE {
capabilities SET SIZE (1..256) OF AlternativeCapabilitySet,
...}
-- =============================================================================
-- Capability Exchange Definitions: FECCapability
-- =============================================================================
DepFECCapability ::= CHOICE -- Deprecated, do not use
{
rfc2733
SEQUENCE {redundancyEncoding BOOLEAN,
separateStream
SEQUENCE {separatePort BOOLEAN,
samePort BOOLEAN,
...},
...},
...}
FECCapability ::= SEQUENCE {
protectedCapability CapabilityTableEntryNumber,
fecScheme OBJECT IDENTIFIER OPTIONAL,
-- identifies encoding scheme
rfc2733Format
CHOICE {rfc2733rfc2198 MaxRedundancy, -- RFC2198 --
rfc2733sameport MaxRedundancy,
-- separate packet, same port
rfc2733diffport MaxRedundancy
-- separate packet and port--} OPTIONAL,
...}
MaxRedundancy ::= INTEGER(1..MAX)
-- =============================================================================
-- Logical channel signalling definitions
-- =============================================================================
-- "Forward" is used to refer to transmission in the direction from the terminal
-- making the original request for a logical channel to the other terminal, and
-- "reverse" is used to refer to the opposite direction of transmission, in the
-- case of a bidirectional channel request.
OpenLogicalChannel ::= SEQUENCE {
forwardLogicalChannelNumber LogicalChannelNumber,
forwardLogicalChannelParameters
SEQUENCE {portNumber INTEGER(0..65535) OPTIONAL,
dataType DataType,
multiplexParameters
CHOICE {h222LogicalChannelParameters
H222LogicalChannelParameters,
h223LogicalChannelParameters
H223LogicalChannelParameters,
v76LogicalChannelParameters
V76LogicalChannelParameters,
...,
h2250LogicalChannelParameters
H2250LogicalChannelParameters,
none
NULL-- for use with Separate Stack when--
-- multiplexParameters are not
-- required or appropriate--},
...,
forwardLogicalChannelDependency LogicalChannelNumber OPTIONAL,
-- also used to refer to the primary
-- logical channel when using video
-- redundancy coding
replacementFor LogicalChannelNumber OPTIONAL},
-- Used to specify the reverse channel for bidirectional open request
reverseLogicalChannelParameters
SEQUENCE {dataType DataType,
multiplexParameters
CHOICE {-- H.222 parameters are never present in reverse direction
h223LogicalChannelParameters
H223LogicalChannelParameters,
v76LogicalChannelParameters
V76LogicalChannelParameters,
...,
h2250LogicalChannelParameters
H2250LogicalChannelParameters} OPTIONAL, -- Not present for H.222--
...,
reverseLogicalChannelDependency LogicalChannelNumber OPTIONAL,
