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2009 13th International Conference on Intelligence in Next Generation Networks
To deliver the advanced services in IP Multimedia subsystem (IMS), composition of many services is needed. However, IMS standard does not specify properly the architecture for the Session Initial Protocol (SIP) based service composition. Better performance and different user experience can be achieved in the SIP service composition for the real time communication services. We propose modified IMS architecture by adding new functional entities: Service Enabler Gateway and Application Server (AS)doi:10.1109/icin.2009.5357077 fatcat:mqbz3iyw3rc5datocg4256jm3a