Multimedia subsystem control for internet protocol based...

Details Multimedia subsystem control for internet protocol based... Multimedia subsystem control for internet protocol based...

H - Electricity

04

L

H04L 12/18 (2006.01) H04N 7/173 (2006.01)

Patent

CA 2610515

The present invention allows Internet Protocol television (IPTV) services to be provided to different types of subscriber devices over different types of networks via a multimedia subsystem, such as an IP multimedia subsystem. A given subscriber may have one subscription supporting IPTV services to different types of subscriber devices. Each of the subscriber devices may register with a given IPTV application server, which will interact with the various subscriber devices using a common session control protocol, such as the Session Initiation Protocol (SIP). The IPTV sessions may support delivery of various types of streaming content, such as audio or video content, for broadcast or on--demand services. Different IPTV sessions are used to support broadcast and on-demand services. However, within a given broadcast or on-demand IPTV session, channels may be changed or the streaming media may be controlled within the respective IPT'V sessions.

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