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ITU-T H.323 (07/2003)

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Citation:	https://handle.itu.int/11.1002/1000/6465
Series title:	H series: Audiovisual and multimedia systems H.200-H.499: Infrastructure of audiovisual services H.300-H.349: Systems and terminal equipment for audiovisual services
Approval date:	2003-07-14
Approval process:	AAP
Status:	Superseded
Observation:	This version 5 of H.323 integrates without further modifications Annexes M3 (07/2001), P (01/2003), Q (07/2001) and R (07/2001) that were published separately, and Annex O that was approved independently on 07/2003
Maintenance responsibility:	ITU-T Study Group 16
Further details:	Patent statement(s) Development history [2 related work items in progress]

EditionsRelated Supplement(s)Related technical papers and reports

Ed.	ITU-T Recommendation	Status	Summary	Table of Contents	Download
8	H.323 (V8) (03/2022)	In force	here	here	here
7.1	H.323 (2009) Amd. 1 (03/2013)	Superseded	here	-	here
7	H.323 (12/2009)	Superseded	here	here	here
6	H.323 (06/2006)	Superseded	here	here	here
5.2	H.323 (2003) Amd. 2 (01/2005)	Superseded	here	here	here
5.1	H.323 (2003) Amd. 1 (01/2005)	Superseded	here	here	here
5.0	H.323 (2003) Err. 1 (03/2006)	Superseded	-	-	here
5	H.323 (07/2003)	Superseded	here	here	here
4.6	H.323 Annex O (07/2003)	Superseded	-	-	Not available
4.5	H.323 Annex P (01/2003)	Superseded	here	here	here
4.4	H.323 Annex R (07/2001)	Superseded	here	here	here
4.3	H.323 Annex Q (07/2001)	Superseded	here	here	here
4.2	H.323 Annex M3 (07/2001)	Superseded	here	here	here
4.1	H.323 Annex L (03/2001)	Superseded	-	-	here
4	H.323 (11/2000)	Superseded	here	here	here
3.1	H.323 Annex G (02/2000)	Superseded	-	here	here
3	H.323 (09/1999)	Superseded	here	here	here
2.3	H.323 Annex F (05/1999)	Superseded	here	here	here
2.2	H.323 Annex E (05/1999)	Superseded	here	here	here
2.1	H.323 Annex D (09/1998)	Superseded	-	-	here
2	H.323 (02/1998)	Superseded	here	here	here
1	H.323 (11/1996)	Superseded	-	-	here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. 10 (05/2008)	Proxy-aided NAT/FW traversal scheme for ITU-T H.323 multimedia systems	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)	2021	here
AMS Requirements	2011	here
Service Mobility for new Multimedia Service Architecture	2008	here
Firewall and NAT Traversal Problems in H.323 Systems	2006	here
Telecommunications Accessibility Checklist	2006	here
Usage of the H.510 protocol for the support of H.323 based Multimedia Services within GPRS/IMT2000 networks	2005	here
Requirements for Network Address Translator and Firewall Traversal of H.323 Multimedia Systems	2005	here