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IST-AlertArg  Message

This service is used between the MSC (Visited MSC or Gateway MSC) and the HLR, to report that the IST timer running for a call for the Subscriber has expired. It is a confirmed service. Supplier is HLR if Consumer is VMSC. Supplier is HLR if Consumer is GMSC.
Reference: TS 29.002-f30

Procedure:

  ist-Alert-C

Application ID:

  Application: 3GPP C

Application Context:

  istAlertingContext


Contained Information Elements

Name

Occurrences

Value Source

imsi 1 .. 1 C: imsi
extensionContainer 0 .. 1