h4502.asn

asn格式文件的编译器

Call-Transfer-Operations
{itu-t recommendation h 450 2 version1(0)  call-transfer-operations(0)} 
DEFINITIONS AUTOMATIC TAGS ::=

BEGIN

IMPORTS	OPERATION, ERROR FROM Remote-Operations-Information-Objects
 		{joint-iso-itu-t remote-operations(4)
informationObjects(5) version1(0)}
	EXTENSION, Extension{} FROM 
Manufacturer-specific-service-extension-definition
{itu-t recommendation h 450 1 version1(0) msi-definition(18)}
notAvailable, supplementaryServiceInteractionNotAllowed,
invalidCallState FROM H4501-General-Error-List
{itu-t recommendation h 450 1 version1(0) general-error-list(1)}
	EndpointAddress, PartySubaddress FROM Addressing-Data-Elements 
		{itu-t recommendation h 450 1 version1(0) 
addressing-data-elements(9)}
NonStandardParameter FROM H323-MESSAGES  -- see H.225.0
	H225InformationElement FROM H225-generic-parameters-definition 
		{itu-t recommendation h 450 1 version1(0) 
h225-generic-parameters(6)};

H323CallTransferOperations  OPERATION  ::= 
	{	callTransferIdentify | callTransferAbandon | callTransferInitiate | callTransferSetup | callTransferUpdate | subaddressTransfer | callTransferComplete | callTransferActive }

callTransferIdentify		OPERATION		::=
   {-- sent from transferring endpoint to transferred-to endpoint
	ARGUMENT	DummyArg	OPTIONAL TRUE
	RESULT	CTIdentifyRes
	ERRORS	{	notAvailable | invalidCallState | supplementaryServiceInteractionNotAllowed | unspecified }
	CODE	local:7
   }

callTransferAbandon	OPERATION	::=
   {		-- sent from transferring to transferred-to endpoint 
	ARGUMENT	DummyArg	OPTIONAL  TRUE
	RETURN RESULT  FALSE
	ALWAYS RESPONDS  FALSE
	CODE	local:8
   }

callTransferInitiate		OPERATION	::=
   {	-- sent from transfering to transferred endpoint
	ARGUMENT	CTInitiateArg
	RESULT	DummyRes	OPTIONAL  TRUE
	ERRORS	{	notAvailable | invalidCallState | invalidReroutingNumber | unrecognizedCallIdentity | establishmentFailure | supplementaryServiceInteractionNotAllowed | unspecified }
	CODE	local:9
   }

callTransferSetup	OPERATION	::=
   {		-- sent from transferred to transferred-to endpoint
	ARGUMENT	CTSetupArg
	RESULT	DummyRes	OPTIONAL  TRUE
	ERRORS 	{	notAvailable | invalidCallState | invalidReroutingNumber | unrecognizedCallIdentity | unspecified | supplementaryServiceInteractionNotAllowed  }
	CODE	local:10
   }

callTransferUpdate	OPERATION	::=
   {-- may be sent from transferred to  transferred-to endpoint (in SETUP) and 
	-- vice versa (in CONNECT)
	ARGUMENT	CTUpdateArg
	RETURN RESULT  FALSE
	ALWAYS RESPONDS  FALSE
	CODE	local:13
   }

subaddressTransfer	OPERATION	::=
   {-- may be sent from transferred to the transferred-to endpoint and vice versa
	ARGUMENT	SubaddressTransferArg
	RETURN RESULT  FALSE
	ALWAYS RESPONDS  FALSE
	CODE	local:14
   }

callTransferComplete	OPERATION  ::=
{ -- sent from GK to the transferred endpoint, if GK performs call transfer 
  -- (see subclause 10.6.1).
	ARGUMENT	CTCompleteArg
	RETURN RESULT  	FALSE
	ALWAYS RESPONDS  	FALSE
	CODE	local:12
}

callTransferActive	OPERATION  ::=
{ -- sent from gatekeeper to the transferred endpoint, in case of transfer ringing
  -- after transferred-to endpoint has answered the call (only in case of
  -- transfer performed by gatekeeper) 
	ARGUMENT	CTActiveArg
	RETURN RESULT  	FALSE
	ALWAYS RESPONDS  	FALSE
	CODE	local:11
}


DummyArg	::=	CHOICE 
		{	extensionSeq	ExtensionSeq, 
			nonStandardData	NonStandardParameter } 

DummyRes	::=	CHOICE 
		{	extensionSeq	ExtensionSeq, 
			nonStandardData	NonStandardParameter } 

CTInitiateArg	::=	SEQUENCE
		{
		callIdentity	CallIdentity,
		reroutingNumber	EndpointAddress,
		argumentExtension	CHOICE 
			{extensionSeq	ExtensionSeq, 
			nonStandardData	NonStandardParameter }    OPTIONAL,
		...
		}

CTSetupArg	::=	SEQUENCE
		{
		callIdentity	CallIdentity,
		transferringNumber	EndpointAddress  OPTIONAL,
		argumentExtension	CHOICE 
			{extensionSeq	ExtensionSeq, 
			nonStandardData	NonStandardParameter }       OPTIONAL,
		...
			}

CTIdentifyRes	::=	SEQUENCE
		{
		callIdentity	CallIdentity,
		reroutingNumber	EndpointAddress,
		resultExtension	CHOICE 
			{extensionSeq	ExtensionSeq, 
			nonStandardData	NonStandardParameter }       OPTIONAL,
		...
		}

CTUpdateArg	::= 	SEQUENCE
		{
		redirectionNumber	EndpointAddress,
		redirectionInfo	BMPString (SIZE(1..128)) OPTIONAL,
		basicCallInfoElements H225InformationElement OPTIONAL,
			-- Information element 
			-- Progress indicator may be conveyed
		argumentExtension	CHOICE 
			{extensionSeq	ExtensionSeq, 
			nonStandardData	NonStandardParameter }  OPTIONAL,
		...
		}

SubaddressTransferArg	  ::=	SEQUENCE
		{
		redirectionSubaddress	PartySubaddress,
		argumentExtension	CHOICE 
			{extensionSeq	ExtensionSeq, 
			nonStandardData	NonStandardParameter }  OPTIONAL,
		...
		}

CTCompleteArg	::= SEQUENCE 
	{
	endDesignation		EndDesignation,
	redirectionNumber		EndpointAddress,
	  -- number of new connected user
	basicCallInfoElements 	H225InformationElement OPTIONAL,
	  -- Information element Progress indicator may be conveyed
	redirectionInfo		BMPString (SIZE(1..128)) OPTIONAL,
	callStatus		CallStatus DEFAULT answered,
	argumentExtension		CHOICE 
			{extensionSeq	ExtensionSeq, 
			nonStandardData	NonStandardParameter }  OPTIONAL,
	...
		}

EndDesignation	::= ENUMERATED
		{
			primaryEnd(0),
			secondaryEnd(1),
			...
		}

CallStatus	::= ENUMERATED 
		{	
			answered(0), 
			alerting(1),
			...
		}

CTActiveArg	::= SEQUENCE 
	{
	connectedAddress		EndpointAddress,
	  --number of new connected user
	basicCallInfoElements 	H225InformationElement OPTIONAL,
	  -- Information element Progress indicator may be conveyed
	connectedInfo		BMPString (SIZE(1..128)) OPTIONAL,
	argumentExtension	CHOICE 
			{extensionSeq	ExtensionSeq, 
			nonStandardData	NonStandardParameter }  OPTIONAL,
	...
	}


CallIdentity	::=	NumericString (SIZE(0..4))	
	-- size 0 means 'empty' 

ExtensionSeq 	::=  SEQUENCE OF Extension{{ExtensionSet}}

ExtensionSet	EXTENSION	::= {...}  
	-- Actual values defined by individual manufacturers

unspecified	ERROR	::= 
   {
	PARAMETER 	CHOICE
		{extension	Extension{{ExtensionSet}},
		nonStandard	NonStandardParameter
		} 
	CODE	local:1008
   }

invalidReroutingNumber	ERROR	::= 
   {	-- used when establishment of the new connection fails
	-- because the reroutingNumber is not a valid alias address
	CODE	local:1004
   }
   

unrecognizedCallIdentity	ERROR 	::=
   {	-- used when establishment of the new connection fails because it
	-- could not be associated with a SS-CT entity at the 
	-- transferred-to endpoint
	CODE	local:1005
   }

establishmentFailure		ERROR	::=
   {	-- used when establishment of the new connection fails and
	-- no other error applies
	CODE	local:1006
   }

END	-- of Call-Transfer-Operations