61 lines
1.8 KiB
Groff
61 lines
1.8 KiB
Groff
TR {joint-iso-itu-t(2) country(16) ca(124) mti(113594) tcap(10) modules(0) itu-t(0) tr(0) version1(1)}
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DEFINITIONS IMPLICIT TAGS ::=
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BEGIN
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IMPORTS
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Abort, DialoguePortion, OrigTransactionID, DestTransactionID
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FROM TCAPMessages {itu-t recommendation q 773 modules(2) messages(1) version3(3)};
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-- The Transaction sub-layer ignores the content of the ComponentPortion
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-- so we have redefined these Types without parameterization and defined
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-- ComponentPortion as an OCTET STRING so that it can be passed to the
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-- Component sub-layer for decoding there
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TCMessage ::= CHOICE {
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unidirectional [APPLICATION 1] Unidirectional,
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begin [APPLICATION 2] Begin,
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end [APPLICATION 4] End,
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continue [APPLICATION 5] Continue,
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abort [APPLICATION 7] Abort,
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...
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}
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Unidirectional ::= SEQUENCE {
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dialoguePortion DialoguePortion OPTIONAL,
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components ComponentPortion
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}
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Begin ::= SEQUENCE {
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otid OrigTransactionID,
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dialoguePortion DialoguePortion OPTIONAL,
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components ComponentPortion OPTIONAL
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}
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End ::= SEQUENCE {
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dtid DestTransactionID,
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dialoguePortion DialoguePortion OPTIONAL,
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components ComponentPortion OPTIONAL
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}
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Continue ::= 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 OPTIONAL
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}
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-- used to derive otid/dtid from unknown message type
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Unknown ::= SEQUENCE {
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otid OrigTransactionID OPTIONAL,
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dtid DestTransactionID OPTIONAL,
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dialoguePortion DialoguePortion OPTIONAL,
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components ComponentPortion OPTIONAL
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}
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-- leave this portion undecoded
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ComponentPortion ::= TYPE-IDENTIFIER.&Type
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DialoguePortion ::= [APPLICATION 11] EXPLICIT EXTERNAL
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END
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