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ITU-T H.243 (05/2019)

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使用高达1920 kbit/s的数字通道在三个或更多视听终端之间建立通信的规程
ITU-T H.243建议书涉及符合ITU-T H.320建议书的三个或更多视听终端之间会议呼叫的系统操作。ITU-T H.243建议书的修订版澄清了争用解决原则的随机数描述并进行了一些编辑性更正。

Citation:	https://handle.itu.int/11.1002/1000/13902
Series title:	H series: Audiovisual and multimedia systems H.200-H.499: Infrastructure of audiovisual services H.240-H.259: Communication procedures
Approval date:	2019-05-14
Approval process:	AAP
Status:	In force
Maintenance responsibility:	ITU-T Study Group 16
Further details:	Patent statement(s) Development history

EditionsRelated Supplement(s)Related technical papers and reports

Ed.	ITU-T Recommendation	Status	Summary	Table of Contents	Download
6	H.243 (05/2019)	In force	here	here	here
5	H.243 (10/2005)	Superseded	here	here	here
4.1	H.243 (2000) Cor. 1 (11/2000)	Superseded	-	-	here
4	H.243 (02/2000)	Superseded	here	here	here
3	H.243 (07/1997)	Superseded	-	-	here
2	H.243 (03/1996)	Superseded	-	here	here
1	H.243 (03/1993)	Superseded	-	here	here


ITU-T Supplement	Title	Status	Summary	Table of contents	Download
H Suppl. 6 (04/2006)	Control load quantum for decomposed gateways	In force	here	here	here
H Suppl. 9 (05/2008)	Gateway control protocol: Operation of H.248 with H.225.0, SIP, and ISUP in support of emergency telecommunications service (ETS)/international emergency preference scheme (IEPS)	In force	here	here	here
H Suppl. 11 (02/2009)	Analysis of class-based home network QoS solutions	In force	here	here	here
H Suppl. 12 (11/2013)	Gateway control protocol: Priority traffic treatment by ITU-T H.248 gateways	In force	here	here	here
H Suppl. 13 (10/2015)	Gateway control protocol: Common ITU-T H.248 terminology - Release 2	In force	here	here	here
H Suppl. 14 (10/2015)	Gateway control protocol: SDP codepoints for gateway control - Release 2	In force	here	here	here
H Suppl. 15 (01/2017)	Conversion and coding practices for HDR/WCG Y'CbCr 4:2:0 video with PQ transfer characteristics	In force	here	here	here
H Suppl. 17 (11/2014)	Guide for addressing accessibility in standards	In force	here	here	here
H Suppl. 18 (10/2017)	Signalling, backward compatibility and display adaptation for HDR/WCG video coding	In force	here	here	here
H Suppl. 19 (04/2021)	Usage of video signal type code points	In force	here	here	here

Title	Approved on	Download
Testing of personal audio systems for compliance with ITU-T H.870 (2018)	2024
Testing of personal audio systems for compliance with ITU-T H.870 (2018)	2021	here
Telecommunications Accessibility Checklist	2006	here