MCS-PROTOCOL-3 DEFINITIONS AUTOMATIC TAGS::=

BEGIN

-- Part 1: Fundamental MCS types

H221NonStandardIdentifier ::= OCTET STRING (SIZE (4..255))
						-- First four octets shall be country
						-- code and Manufacturer code, assigned
						-- as specified in Annex A/H.221 for
						-- NS-cap and NS-comm

Key ::= CHOICE					-- Identifier of a standard or non-standard object
{
	object			OBJECT IDENTIFIER,
	h221NonStandard		H221NonStandardIdentifier
}

NonStandardParameter ::= SEQUENCE
{
	key	Key,
	data	OCTET STRING
}

ChannelId ::= INTEGER (0..65535)		-- range is 16 bits

StaticChannelId ::= ChannelId (1..1000)		-- those known permanently

DynamicChannelId ::= ChannelId (1001..65535)	-- those created and deleted

UserId ::= DynamicChannelId			-- created by Attach-User
						-- deleted by Detach-User

PrivateChannelId ::= DynamicChannelId		-- created by Channel-Convene
						-- deleted by Channel-Disband

AssignedChannelId ::= DynamicChannelId		-- created by Channel-Join zero
						-- deleted by last Channel-Leave

TokenId ::= INTEGER (1..65535)			-- all are known permanently

TokenStatus ::= CHOICE
{
	notInUse			NULL,
	selfGrabbed			NULL,
	otherGrabbed			NULL,
	selfInhibited			NULL,
	otherInhibited			NULL,
	selfRecipient			NULL,
	selfGiving			NULL,
	otherGiving			NULL,
	...
}

DataPriority ::= CHOICE
{
	top				NULL,
	high				NULL,
	medium				NULL,
	low				NULL,
	...
}

Segmentation ::= BIT STRING
{
	begin				(0),
	end				(1)
} (SIZE (2))

-- Part 2: Extended parameter

ExtendedParameters ::= SEQUENCE
{
	unreliableDataSupported		BOOLEAN,
	domainReferenceID		INTEGER (0 .. 65535),
	nonStandard			SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

ExtendedParameterPropose ::= SEQUENCE
{
	targetExtendedParameters	ExtendedParameters,
	minimumExtendedParameters	ExtendedParameters,
	maximumExtendedParameters	ExtendedParameters,
	nonStandard			SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

ExtendedParameterAccept ::= SEQUENCE
{
	extendedParameters		ExtendedParameters,
	nonStandard			SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

-- Part 3: Merge domain

PlumbDomainIndication ::= SEQUENCE
{
	heightLimit		INTEGER (0..MAX),
				-- a restriction on the MCSPDU receiver
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

ErectDomainRequest ::= SEQUENCE
{
	subHeight		INTEGER (0..MAX),
				-- height in domain of the MCSPDU transmitter
	subInterval		INTEGER (0..MAX),
				-- its throughput enforcement interval in milliseconds
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

ChannelAttributes ::= CHOICE
{
	static		SEQUENCE
	{
		channelId	StaticChannelId,
				-- joined is implicitely TRUE
		nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
		...
	},
	userId		SEQUENCE
	{
		joined		BOOLEAN,
				-- TRUE if user is joined to its user id
		userId		UserId,
		nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
		...
	},
	private		SEQUENCE
	{
		joined		BOOLEAN,
				-- TRUE if channel id is joined below
		channelId	PrivateChannelId,
		manager		UserId,
		admitted	SET OF UserId,
				-- may span multiple MergeChannelsRequest
		nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
		...
	},
	assigned	SEQUENCE
	{
		channelId	AssignedChannelId,
				-- joined is implicitely TRUE
		nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
		...
	},
	...
}

MergeChannelsRequest ::= SEQUENCE
{
	mergeChannels		SET OF ChannelAttributes,
	purgeChannelIds		SET OF ChannelId,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

MergeChannelsConfirm ::= SEQUENCE
{
	mergeChannels		SET OF ChannelAttributes,
	purgeChannelIds		SET OF ChannelId,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

PurgeChannelsIndication ::= SEQUENCE
{
	detachUserIds		SET OF UserId,
				-- purge user id channels
	purgeChannelIds		SET OF ChannelId,
				-- purge other channels
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

TokenAttributes ::= CHOICE
{
	grabbed		SEQUENCE
	{
		tokenId		TokenId,
		grabber		UserId,
		nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
		...
	},
	inhibited	SEQUENCE
	{
		tokenId		TokenId,
		inhibitors	SET OF UserId,
				-- may span multiple MergeTokensRequest
		nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
		...
	},
	giving		SEQUENCE
	{
		tokenId		TokenId,
		grabber		UserId,
		recipient	UserId,
		nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
		...
	},
	ungivable	SEQUENCE
	{
		tokenId		TokenId,
		grabber		UserId,
				-- recipient has since detached
		nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
		...
	},
	given		SEQUENCE
	{
		tokenId		TokenId,
		recipient	UserId,
				-- grabber released or detached
		nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
		...
	}
}

MergeTokensRequest ::= SEQUENCE
{
	mergeTokens	SET OF TokenAttributes,
	purgeTokenIds	SET OF TokenId,
	nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

MergeTokensConfirm ::= SEQUENCE
{
	mergeTokens	SET OF TokenAttributes,
	purgeTokenIds	SET OF TokenId,
	nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

PurgeTokensIndication ::= SEQUENCE
{
	purgeTokenIds	SET OF TokenId,
	nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

-- Part 4: Disconnect provider

DisconnectProviderUltimatum ::= SEQUENCE
{
	reason	Reason,
	nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

RejectMCSPDUUltimatum ::= SEQUENCE
{
	diagnostic	Diagnostic,
	initialOctets	OCTET STRING,
	nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

-- Part 5: Attach/Detach user

AttachUserRequest ::= SEQUENCE
{
	nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

AttachUserConfirm ::= SEQUENCE
{
	result		Result,
	initiator	UserId OPTIONAL,
	nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

DetachUserRequest ::= SEQUENCE
{
	reason	Reason,
	userIds	SET OF UserId,
	nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

DetachUserIndication ::= SEQUENCE
{
	reason	Reason,
	userIds	SET OF UserId,
	nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

-- Part 6: Channel management

ChannelJoinRequest ::= SEQUENCE
{
	initiator	UserId,
	channelId	ChannelId,	-- may be zero
	nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

ChannelJoinConfirm ::= SEQUENCE
{
	result		Result,
	initiator	UserId,
	requested	ChannelId,	-- may be zero
	channelId	ChannelId OPTIONAL,
	nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

ChannelLeaveRequest ::= SEQUENCE
{
	channelIds	SET OF ChannelId,
	nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

ChannelConveneRequest ::= SEQUENCE
{
	initiator	UserId,
	nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

ChannelConveneConfirm ::= SEQUENCE
{
	result		Result,
	initiator	UserId,
	channelId	PrivateChannelId OPTIONAL,
	nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

ChannelDisbandRequest ::= SEQUENCE
{
	initiator	UserId,
	channelId	PrivateChannelId,
	nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

ChannelDisbandIndication ::= SEQUENCE
{
	channelId	PrivateChannelId,
	nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}
ChannelAdmitRequest ::= SEQUENCE
{
	initiator	UserId,
	channelId	PrivateChannelId,
	userIds		SET OF UserId,
	nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

ChannelAdmitIndication ::= SEQUENCE
{
	initiator	UserId,
	channelId	PrivateChannelId,
	userIds		SET OF UserId,
	nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

ChannelExpelRequest ::= SEQUENCE
{
	initiator	UserId,
	channelId	PrivateChannelId,
	userIds		SET OF UserId,
	nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

ChannelExpelIndication ::= SEQUENCE
{
	channelId	PrivateChannelId,
	userIds		SET OF UserId,
	nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

-- Part 7: Data transfer

SendDataRequest ::= SEQUENCE
{
	initiator		UserId,
	channelId		ChannelId,
	reliability		BOOLEAN,
	domainReferenceID	INTEGER (0 .. 65535) OPTIONAL,
	dataPriority		DataPriority,
	segmentation		Segmentation,
	userData		OCTET STRING,
	totalDataSize		INTEGER	OPTIONAL,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

SendDataIndication ::= SEQUENCE
{
	initiator		UserId,
	channelId		ChannelId,
	reliability		BOOLEAN,
	domainReferenceID	INTEGER (0 .. 65535) OPTIONAL,
	dataPriority		DataPriority,
	segmentation		Segmentation,
	userData		OCTET STRING,
	totalDataSize		INTEGER	OPTIONAL,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

UniformSendDataRequest ::= SEQUENCE
{
	initiator		UserId,
	channelId		ChannelId,
	reliability		BOOLEAN,
	domainReferenceID	INTEGER (0 .. 65535) OPTIONAL,
	dataPriority		DataPriority,
	segmentation		Segmentation,
	userData		OCTET STRING,
	totalDataSize		INTEGER	OPTIONAL,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

UniformSendDataIndication ::= SEQUENCE
{
	initiator		UserId,
	channelId		ChannelId,
	reliability		BOOLEAN,
	domainReferenceID	INTEGER (0 .. 65535) OPTIONAL,
	dataPriority		DataPriority,
	segmentation		Segmentation,
	userData		OCTET STRING,
	totalDataSize		INTEGER	OPTIONAL,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

-- Part 8: Token management

TokenGrabRequest ::= SEQUENCE
{
	initiator		UserId,
	tokenId			TokenId,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

TokenGrabConfirm ::= SEQUENCE
{
	result			Result,
	initiator		UserId,
	tokenId			TokenId,
	tokenStatus		TokenStatus,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

TokenInhibitRequest ::= SEQUENCE
{
	initiator		UserId,
	tokenId			TokenId,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

TokenInhibitConfirm ::= SEQUENCE
{
	result			Result,
	initiator		UserId,
	tokenId			TokenId,
	tokenStatus		TokenStatus,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

TokenGiveRequest ::= SEQUENCE
{
	initiator		UserId,
	tokenId			TokenId,
	recipient		UserId,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

TokenGiveIndication ::= SEQUENCE
{
	initiator		UserId,
	tokenId			TokenId,
	recipient		UserId,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

TokenGiveResponse ::= SEQUENCE
{
	result			Result,
	recipient		UserId,
	tokenId			TokenId,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

TokenGiveConfirm ::= SEQUENCE
{
	result			Result,
	initiator		UserId,
	tokenId			TokenId,
	tokenStatus		TokenStatus,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

TokenPleaseRequest ::= SEQUENCE
{
	initiator		UserId,
	tokenId			TokenId,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

TokenPleaseIndication ::= SEQUENCE
{
	initiator		UserId,
	tokenId			TokenId,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

TokenReleaseRequest ::= SEQUENCE
{
	initiator		UserId,
	tokenId			TokenId,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

TokenReleaseConfirm ::= SEQUENCE
{
	result			Result,
	initiator		UserId,
	tokenId			TokenId,
	tokenStatus		TokenStatus,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

TokenTestRequest ::= SEQUENCE
{
	initiator		UserId,
	tokenId			TokenId,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

TokenTestConfirm ::= SEQUENCE
{
	initiator		UserId,
	tokenId			TokenId,
	tokenStatus		TokenStatus,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

-- Part 9: Capabilities notification

CapabilityID ::= CHOICE
{
	standardID		INTEGER (0 .. 65535),
	nonstandardID		Key
}

CapabilityClass ::= CHOICE
{
	null		NULL,
	unsignedMin	INTEGER (0 .. MAX),
	unsignedMax	INTEGER (0 .. MAX)
}

ParticipationIndicator ::= CHOICE
{
	global		NULL,
	partial		INTEGER (1 .. 2)
}

RequestCapability ::= SEQUENCE
{
	capabilityID		CapabilityID,
	capabilityClass		CapabilityClass,
	participationIndicator	ParticipationIndicator,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

SeqOfRequestCapabilities ::= SEQUENCE OF RequestCapability

IndicationCapability ::= SEQUENCE
{
	capabilityID			CapabilityID,
	capabilityClass			CapabilityClass,
	summitProviderSupported		BOOLEAN,
	intermediateNodeSupported	BOOLEAN,
	nonStandard			SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

SeqOfIndicationCapabilities ::= SEQUENCE OF IndicationCapability

CapabilitiesNotificationRequest ::= SEQUENCE
{
	v2NodePresent		BOOLEAN,
	addList			SeqOfRequestCapabilities OPTIONAL,
	removeList		SeqOfRequestCapabilities OPTIONAL,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

CapabilitiesNotificationIndication ::= SEQUENCE
{
	v2NodePresent		BOOLEAN,
	addList			SeqOfIndicationCapabilities OPTIONAL,
	removeList		SeqOfIndicationCapabilities OPTIONAL,
	nonStandard		SEQUENCE OF NonStandardParameter OPTIONAL,
	...
}

-- Part 10: Status codes

Reason ::= CHOICE
{
	rn-domain-disconnected	NULL,
	rn-provider-initiated	NULL,
	rn-token-purged		NULL,
	rn-user-requested	NULL,
	rn-channel-purged	NULL,
	...
}

Result ::= CHOICE
{
	rt-successful			NULL,
	rt-domain-merging		NULL,
	rt-domain-not-hierarchical	NULL,
	rt-no-such-channel		NULL,
	rt-no-such-domain		NULL,
	rt-no-such-user			NULL,
	rt-not-admitted			NULL,
	rt-other-user-id		NULL,
	rt-parameters-unacceptable	NULL,
	rt-token-not-available		NULL,
	rt-token-not-possessed		NULL,
	rt-too-many-channels		NULL,
	rt-too-many-tokens		NULL,
	rt-too-many-users		NULL,
	rt-unspecified-failure		NULL,
	rt-user-rejected		NULL,
	...
}

Diagnostic ::= CHOICE
{
	dc-inconsistent-merge		NULL,
	dc-forbidden-PDU-downward	NULL,
	dc-forbidden-PDU-upward		NULL,
	dc-invalid-BER-encoding		NULL,
	dc-invalid-PER-encoding		NULL,
	dc-misrouted-user		NULL,
	dc-unrequested-confirm		NULL,
	dc-wrong-transport-priority	NULL,
	dc-channel-id-conflict		NULL,
	dc-token-id-conflict		NULL,
	dc-not-user-id-channel		NULL,
	dc-too-many-channels		NULL,
	dc-too-many-tokens		NULL,
	dc-too-many-users		NULL,
	...
}

-- Part 11: MCSPDU repertoire

NonStandardPDU ::= SEQUENCE
{
	data				NonStandardParameter,
	...
}

ExtendedParameterMCSPDU ::= CHOICE
{
	extendedParameterPropose	ExtendedParameterPropose,
	extendedParameterAccept 	ExtendedParameterAccept,
	nonStandard			NonStandardPDU,
	...
}

DomainMCSPDU ::= CHOICE
{
	plumbDomainIndication		PlumbDomainIndication,
	erectDomainRequest		ErectDomainRequest,
	mergeChannelsRequest		MergeChannelsRequest,
	mergeChannelsConfirm		MergeChannelsConfirm,
	purgeChannelsIndication		PurgeChannelsIndication,
	mergeTokensRequest		MergeTokensRequest,
	mergeTokensConfirm		MergeTokensConfirm,
	purgeTokensIndication		PurgeTokensIndication,
	disconnectProviderUltimatum	DisconnectProviderUltimatum,
	rejectMCSPDUUltimatum		RejectMCSPDUUltimatum,
	attachUserRequest		AttachUserRequest,
	attachUserConfirm		AttachUserConfirm,
	detachUserRequest		DetachUserRequest,
	detachUserIndication		DetachUserIndication,
	channelJoinRequest		ChannelJoinRequest,
	channelJoinConfirm		ChannelJoinConfirm,
	channelLeaveRequest		ChannelLeaveRequest,
	channelConveneRequest		ChannelConveneRequest,
	channelConveneConfirm		ChannelConveneConfirm,
	channelDisbandRequest		ChannelDisbandRequest,
	channelDisbandIndication	ChannelDisbandIndication,
	channelAdmitRequest		ChannelAdmitRequest,
	channelAdmitIndication		ChannelAdmitIndication,
	channelExpelRequest		ChannelExpelRequest,
	channelExpelIndication		ChannelExpelIndication,
	sendDataRequest			SendDataRequest,
	sendDataIndication		SendDataIndication,
	uniformSendDataRequest		UniformSendDataRequest,
	uniformSendDataIndication	UniformSendDataIndication,
	tokenGrabRequest		TokenGrabRequest,
	tokenGrabConfirm		TokenGrabConfirm,
	tokenInhibitRequest		TokenInhibitRequest,
	tokenInhibitConfirm		TokenInhibitConfirm,
	tokenGiveRequest		TokenGiveRequest,
	tokenGiveIndication		TokenGiveIndication,
	tokenGiveResponse		TokenGiveResponse,
	tokenGiveConfirm		TokenGiveConfirm,
	tokenPleaseRequest		TokenPleaseRequest,
	tokenPleaseIndication		TokenPleaseIndication,
	tokenReleaseRequest		TokenReleaseRequest,
	tokenReleaseConfirm		TokenReleaseConfirm,
	tokenTestRequest		TokenTestRequest,
	tokenTestConfirm		TokenTestConfirm,
	nonStandard			NonStandardPDU,
	...
}

END