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Reverse IM-SSF

Description

The primary function of Reverse IM-SSF is to do protocol conversion between IN and IMS — so that IN users can use services which are implemented on the IMS.

Unlike IM-SSF, Reverse IM-SSF is not specified in the IMS architecture. Reverse IM-SSF provides connectivity and access to services in the opposite direction. IM-SSF is attractive, as it means that the network operator does not need to replicate all the existing services again in the IMS domain in order to meet customer's needs. Reverse IM-SSF means that the existing subscriber base — hugely in the majority and likely to remain so for a considerable time — can access the new SIP application server-hosted services.


Categories

Technologies

SS7: INAP, CAP
IMS: SIP



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