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ITU-T Study Group 9

ITU-T Study Group 9. Greg White ITU-T Study Group 9 CableLabs. Area of Responsibility. SG 9 prepares and maintains Recommendations on:

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ITU-T Study Group 9

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  1. ITU-T Study Group 9 Greg White ITU-T Study Group 9 CableLabs

  2. Area of Responsibility • SG 9 prepares and maintains Recommendations on: • Use of cable and hybrid networks, primarily designed for television and sound programme delivery to the home, as integrated broadband networks to also carry voice or other time critical services, video on demand, interactive services, etc. • Use of telecommunication systems for contribution, primary distribution and secondary distribution of television, sound programmes and similar data services. • Lead Study Group on integrated broadband cable and television networks

  3. SG9 Activities on Access Networks • Question 12/9 • Hybrid-Fiber Coax Access Networking Technology (Cable Modems) • Question 13/9 • Voice and Multimedia over IP over cable networks (IPCableCom) • Question 14/9 • Extension to Home Networks (Residential Gateways) • J-Series Recommendations

  4. Cable Modems • Work started in 1996 • DOCSIS – Data Over Cable Service Interface Specifications • First Generation (Rec. J.112) • Version 1.0 standard achieved in March 1998 • Version 1.1 standard achieved in March 2001 • Second Generation (Rec. J.122) • Version 2.0 standard achieved in December 2002

  5. Voice/Multimedia over IP • Work started in 1998 • IPCableCom VoIP standards J.160 – J.178 • Version 1.0 standard achieved Feb2001 – March2002 • Version 1.1 standard achieved Feb-July2002 • Version 1.2 standard achieved Feb2002-May2003 • Version 1.3 standard achieved May 2003 • IPCableCom Multimedia standard J.179 • Standardization achieved April 2004

  6. Residential Gateways • Work started in 2001 • CableHome (IPCable2Home) • Version 1.0 (J.191) • standard achieved in July 2002 • Version 1.1 (J.192) • standard achieved in March 2004

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