These sections describe the behaviour of the R-IM-SSF:
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Initial Triggering via the IN — how the R-IM-SSF is triggered by the IN and how it makes initial contact with a SIP-AS.
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Initial Triggering via SIP — how the R-IM-SSF can be triggered by the SIP network to create a new network initiated call in the IN, and how the R-IM-SSF makes initial contact with an MSC
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IN Message Translation — how the R-IM-SSF deals with incoming IN messages after call initiation
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SIP Message Translation — how the R-IM-SSF deals with incoming SIP messages after call initiation
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Example Call Flows — example call flows for various scenarios.
