Ress David P, Jones Anthony, Goodwill Dominic, Mckinnon Steve J: Multimedia subsystem control for internet protocol based television services. Nortel Networks, May 28, 2008: EP1926319-A2 (7 worldwide citation)

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 ...

Raghvendra G Savoor, Zhi Li, Orestis Manthoulis, Russell B Bellford, Stuart Lynch Blackburn: System and method for a video content service monitoring and provisioning architecture. AT&T Intellectual Property I, Guntin Meles & Gust, Pablo Meles, August 7, 2012: US08239886 (6 worldwide citation)

According to one example embodiment there is provided a computer program executable on a computing platform to at least in part analyze data at least in part obtained from one or more data sources of an Internet-protocol television (IPTV) network, wherein the data provided by the data sources includ ...

Jae Cheol Sim, Kee Seong Cho: IPTV service system and method for efficient multicast of MPEG-TS. Electronics and Telecommunications Research Institute, April 19, 2011: US07930726 (6 worldwide citation)

Provided are an IPTV service system and a method thereof. The IPTV service system includes: a headend, a set-top box, and a plurality of multicast routers. The headend assigns a multicast group address for each channel and assigns a source address for each PID with respect to an MPEG-TS and packetiz ...

Yetik Serbest, Stephanie Karasick, Eric Puetz: Delivery of broadcast TV over point-point routed GRE tunnels for IPTV applications. AT&T Intellectual Property I, Jackson Walker L, August 4, 2009: US07570637 (6 worldwide citation)

The present invention provides a method for distributing Internet Protocol Television (IPTV) content over a national IP backbone using GRE tunneling in a point-to-point ring topology. A logical path is defined that connects multiple hub offices, each including at least two routers, in a ring network ...

Denis Bagsby, Adam Klein, Lee M Chow: System and method of service product offer management. AT&T Intellectual Property I, Toler Law Group, December 1, 2009: US07627501 (6 worldwide citation)

The disclosure is generally directed to a system and method of managing and deploying Internet protocol television (IPTV) services. The method includes a service product offer management and deployment system. The method further includes a service product ordering subsystem to receive and process a ...

Åström Bo: Time-shifting and chase-play for an iptv system. Telefonaktiebolaget Lm Ericsson, Åström Bo, LIND Robert, September 13, 2007: WO/2007/101473 (6 worldwide citation)

Time-shifting and chase-play is provided for an IPTV system, utilising a control channel established between the originating user and a selected IPTV Application Server (IPTV-AS). When time shifting of the IPTV content is required, for example due to receipt of a telephone call, a start time-shift c ...

True Xiong, Leo Pedlow: Provision of TV ID to non-TV device to enable access to TV services. Sony Corporation, John L Rogitz, June 4, 2013: US08458741 (5 worldwide citation)

To permit non-TV CE devices to participate in a closed Internet Protocol television (IPTV) program, a non-TV CE device obtains a TV identification upon program registration which it subsequently uses to access content from the IPTV program.

True Xiong, Charles McCoy, Leo M Pedlow, Ling Jun Wong: Control of IPTV using second device. Sony Corporation, John L Rogitz, March 26, 2013: US08407755 (5 worldwide citation)

An IPTV may be controlled in part by a second user consumer electronic (CE) device such as a personal digital assistant (PDA) or laptop computer. The IPTV obtains system credentials from a management server to access multiple content servers, and the second CE device can browse Internet content avai ...

Kamakshi Sridhar, Atiya Suhail, David Elie Dit Cosaque, Gerard Damm: Diagnostic tool and method for troubleshooting multicast connectivity flow problem(s) in a layer 2 aggregation network. Alcatel Lucent, Capital Patent & Trademark Law Firm PLLC, November 30, 2010: US07843845 (5 worldwide citation)

A diagnostic tool and method are described herein that are capable of diagnosing and localizing a multicast connectivity flow fault within a layer 2 aggregation network. In one application, the diagnostic tool and method can be used by a customer service representative to diagnose why a customer can ...

Sig Badt Jr, Chao Kan: IPTV architecture for dynamic commercial insertion. Alcatel Lucent, Garlick Harrison & Markison, Holly L Rudnick, April 26, 2011: US07934230 (5 worldwide citation)

Dynamic delivery of different commercials to different viewers is achieved using a network node within an IPTV packet-switched network that is coupled to receive both a multicast television program and commercial programs. The network node is able to identify one or more subscribers to the multicast ...

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