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ITU-T H.245

Control protocol for multimedia communication

active, Most Current
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Organization: ITU-T
Publication Date: 1 May 2011
Status: active
Page Count: 348
scope:

This Recommendation specifies syntax and semantics of terminal information messages as well as procedures to use them for in-band negotiation at the start of or during communication. The messages cover receiving and transmitting capabilities as well as mode preference from the receiving end, logical channel signalling, and Control & Indication. Acknowledged signalling procedures are specified to ensure reliable audiovisual and data communication.

This Recommendation covers a wide range of applications, including storage/retrieval, messaging and distribution services as well as conversational. It applies to, but is not limited to, multimedia systems that use the multiplexes defined in Recs ITU-T H.222.0, ITU-T H.223, and ITU-T H.225.0. These different systems share the same syntax and semantics, and are therefore bit-wise compatible. Some of the procedures are applicable to all systems, while the others are more specific to particular systems.

The different systems that make use of this Recommendation may specify the use of different transport protocols. However, it is intended to be used with a reliable transport layer, that is, one that provides guaranteed delivery of correct data.

NOTE - There should be no confusion with the ITU-T T.120 management system, which is carried within the data stream, and covers different functionalities from those described here - the ITU-T H.245 stream and the ITU-T T.120-data stream are complementary.

Document History

ITU-T H.245
May 1, 2011
Control protocol for multimedia communication
This Recommendation specifies syntax and semantics of terminal information messages as well as procedures to use them for in-band negotiation at the start of or during communication. The messages...
December 1, 2009
Control protocol for multimedia communication
This Recommendation specifies syntax and semantics of terminal information messages as well as procedures to use them for in-band negotiation at the start of or during communication. The messages...
June 1, 2008
Control protocol for multimedia communication
This Recommendation specifies syntax and semantics of terminal information messages as well as procedures to use them for in-band negotiation at the start of or during communication. The messages...
November 20, 2007
Control protocol for multimedia communication
A description is not available for this item.
October 30, 2006
Control protocol for multimedia communication
A description is not available for this item.
May 1, 2006
Control protocol for multimedia communication
A description is not available for this item.
January 1, 2005
Control protocol for multimedia communication
A description is not available for this item.
February 1, 2003
Control protocol for multimedia communication SERIES H: AUDIOVISUAL AND MULTIMEDIA SYSTEMS Infrastructure of audiovisual services – Communication procedures
A description is not available for this item.
July 1, 2001
Control Protocol for Multimedia Communication Series H: Audiovisual and Multimedia Systems Infrastructure of Audiovisual Services - Communication Procedures
A description is not available for this item.
February 1, 2000
Control Protocol for Multimedia Communication - Series H: Audiovisual and Multimedia Systems Infrastructure of Audiovisual Services - Communication Procedures
A description is not available for this item.
May 1, 1999
Control Protocol for Multimedia Communication - Series H: Audiovisual and Multimedia Systems - Infrastructure of Audiovisual Services - Communication Procedures
A description is not available for this item.
September 1, 1998
Control Protocol for Multimedia Communication - Series H: Audiovisual and Multimedia Systems Infrastructure of Audiovisual Services - Communication Procedures
A description is not available for this item.
February 1, 1998
Control Protocol for Multimedia Communication - Series H: Audiovisual and Multimedia Systems Infrastructure of Audiovisual Services - Communication Procedures
A description is not available for this item.
July 1, 1997
Control Protocol for Multimedia Communication - Series H: Audiovisual and Multimedia Systems Infrastructure of Audiovisual Services - Communication Procedures
A description is not available for this item.
March 1, 1996
Control Protocol for Multimedia Communication - Series H: Audiovisual and Multimedia Systems Infrastructure of Audiovisual Services - Communication Procedures
A description is not available for this item.

References

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