90 lines
3.8 KiB
Groff
90 lines
3.8 KiB
Groff
TCAPMessages {itu-t recommendation q 773 modules(2) messages(1) version3(3)}
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DEFINITIONS IMPLICIT TAGS ::=
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BEGIN
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-- EXPORTS everything
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-- Transaction Portion fields.
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IMPORTS
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ROS{}, InvokeId
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FROM Remote-Operations-Generic-ROS-PDUs {joint-iso-itu-t
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remote-operations(4) generic-ROS-PDUs(6) version1(0)}
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OPERATION
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FROM Remote-Operations-Information-Objects {joint-iso-itu-t
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remote-operations(4) informationObjects(5) version1(0)};
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TCMessage{OPERATION:Invokable, OPERATION:Returnable} ::= CHOICE {
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unidirectional [APPLICATION 1] Unidirectional{{Invokable}, {Returnable}},
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begin [APPLICATION 2] Begin{{Invokable}, {Returnable}},
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end [APPLICATION 4] End{{Invokable}, {Returnable}},
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continue [APPLICATION 5] Continue{{Invokable}, {Returnable}},
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abort [APPLICATION 7] Abort
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}
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Unidirectional{OPERATION:Invokable, OPERATION:Returnable} ::= SEQUENCE {
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dialoguePortion DialoguePortion OPTIONAL,
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components ComponentPortion{{Invokable}, {Returnable}}
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}
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Begin{OPERATION:Invokable, OPERATION:Returnable} ::= SEQUENCE {
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otid OrigTransactionID,
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dialoguePortion DialoguePortion OPTIONAL,
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components ComponentPortion{{Invokable}, {Returnable}} OPTIONAL
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}
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End{OPERATION:Invokable, OPERATION:Returnable} ::= SEQUENCE {
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dtid DestTransactionID,
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dialoguePortion DialoguePortion OPTIONAL,
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components ComponentPortion{{Invokable}, {Returnable}} OPTIONAL
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}
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Continue{OPERATION:Invokable, OPERATION:Returnable} ::= SEQUENCE {
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otid OrigTransactionID,
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dtid DestTransactionID,
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dialoguePortion DialoguePortion OPTIONAL,
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components ComponentPortion{{Invokable}, {Returnable}} OPTIONAL
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}
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Abort ::= SEQUENCE {
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dtid DestTransactionID,
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reason CHOICE {p-abortCause P-AbortCause,
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u-abortCause DialoguePortion} OPTIONAL
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}
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-- NOTE - When the Abort Message is generated by the Transaction sublayer, a p-Abort Cause may be
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-- present. The u-abortCause may be generated by the component sublayer in which case it is an ABRT
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-- APDU, or by the TC-User in which case it could be either an ABRT APDU or data in some user-defined
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-- abstract syntax.
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DialoguePortion ::= [APPLICATION 11] EXPLICIT EXTERNAL
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-- The dialogue portion carries the dialogue control PDUs as value of the external data type. The direct
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-- reference should be set to {itu-t recommendation q 773 as(1) dialogue-as(1) version1(1)} if structured
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-- dialogue is used and to {itu-t recommendation q 773 as(1) unidialogue-as(2) version1(1)} if unstructured
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-- dialogue is used.
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OrigTransactionID ::= [APPLICATION 8] OCTET STRING(SIZE (1..4))
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DestTransactionID ::= [APPLICATION 9] OCTET STRING(SIZE (1..4))
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P-AbortCause ::= [APPLICATION 10] INTEGER {
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unrecognizedMessageType(0), unrecognizedTransactionID(1),
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badlyFormattedTransactionPortion(2), incorrectTransactionPortion(3),
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resourceLimitation(4)}(0..127)
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-- COMPONENT PORTION. The last field in the transaction portion of the TCAP message is the
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-- component portion. The component portion may be absent.
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ComponentPortion{OPERATION:Invokable, OPERATION:Returnable} ::=
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[APPLICATION 12] SEQUENCE SIZE (1..MAX) OF Component{{Invokable}, {Returnable}}
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-- Component Portion fields
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-- Recommendation X.880 defines four Application Protocol Data Units (APDUs) for invoking
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-- operations, returning results or error, and for the rejection of invalid PDUs.
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-- TCAP adds returnResultNotLast to allow for the segmentation of a result.
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Component{OPERATION:Invokable, OPERATION:Returnable} ::= CHOICE {
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basicROS ROS{{TCInvokeIdSet}, {Invokable}, {Returnable}},
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returnResultNotLast [7] returnResult < ROS{{TCInvokeIdSet}, {Invokable}, {Returnable}}
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}
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TCInvokeIdSet ::= InvokeId(WITH COMPONENTS { present (-128..127) })
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END -- TCAPMessages
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