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The Third Generation Partnership Project(3GPP) forum [1] has specified IMS (Internet Protocol Multimedia Subsystem) which provides resource, admission and charging control [2] for multimedia services. The OMA (The Open Mobile Alliance) forum [3] has specified BCAST (Mobile Broadcast Services) [4] which is network agnostic service enabler for mobile broadcast service. Up to now, IMS and BCAST are separated...
The IP multimedia subsystem (IMS), originally designed by 3GPP and later updated by 3GPP, 3GPP2 and TISPAN, presents itself as an architectural framework that allows the convergence of the Internet, wireless and wireline networks and a global platform for the delivery of IP multimedia applications in next generation networks (NGN). One of the most used services to test IMS capabilities is push-to-talk...
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