A System Architecture for SIP/ IMS-based Multimedia Services
The aim of IP Multimedia Subsystem (IMS) is not only to realize the convergence of the fixed or mobile networks at network level, but also to establish a uni-platform for providing services, no matter which access technology is used. However, due to limited protocol support and the other limitation of device capabilities, a majority of legacy devices (e.g. mobile phone, PDA, laptop, etc) today and in the near future lack coherent support for those services. In this paper, we propose a browser-based Thin Client IMS System Architecture to support non-IMS Client devices. The main issues considered in the paper include security, provisioning, identity management, Thin Client Inter-working, IMS Inter-working and device management. We also build the prototype to validate the design concept.
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