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IMS-SSF - IMS – Service Switching Function

The IMS-SSF acts as a gateway between the SIP/Diameter based IMS and the CAP (CAMEL Application Part) based CAMEL (Customized Application for Mobile network Enhanced Logic) application servers. In this role, the IMS-SSF ensures that where appropriate, SIP/Diameter messages are translated to the corresponding CAP message and vice versa.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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