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Conference Paper
SIP Service Composition in IMS
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- Authors
- Shanmugalingam Sivasothy, Gyu Myoung Lee, Noel Crespi
- Issue Date
- 2009-10
- Citation
- International Conference on Intelligence in Next Generation Networks (ICIN) 2009, pp.1-4
- Language
- English
- Type
- Conference Paper
- Abstract
- 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) for the SIP based service composition. Java Specification Request (JSR) 289 AS is chosen for this and initial work has been done for service discovery for IMS services.
- KSP Keywords
- Application server, Communication services, IMS services, IP multimedia subsystem(IMS), Real-Time communication, Service Discovery, Session Initial Protocol, User experience, service composition