3 Definitions and abbreviations

03.353GPPImmediate Service Termination (IST)Stage 2TS

3.1 Definitions

For the purposes of the present document, the following definition apply:

Subscriber activities: subscriber activities that must be terminated. These can be call related events (e.g. call set-up, call termination) or the invocation of call related and call independent supplementary services (e.g. Call Hold, Call Waiting, Call Transfer, Call Forwarding, Unstructured Supplementary Service Data (USSD)).

3.2 Abbreviations

For the purposes of the present document, the abbreviations given is GSM 01.04 and the following apply:

FDS Fraud Detection System

FIGS Fraud Information Gathering System

IST Immediate Service Termination

MO Mobile Originated

MT Mobile Terminated

O-CSI Originating CAMEL Subscription Information

T-CSI Terminating CAMEL Subscription Information