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ITU-T H.248 Annex M4 (07/2001)

H.248.1 packages for H.323 and H.324 interworking

This annex defines several H.248 packages that are intended for Media Gateways designed to support interworking between H.323 terminals and H.324 terminals. More specifically, this Annex contains: package "h324" for creating terminations supporting H.324, package "h245" for creating terminations supporting H.245 channels for H.324 calls, package "h323bc" for creating terminations supporting H.245 channels for H.323 calls, package "h245com" for the communication of H.245 commands between a MGC and MG, and package "h245ind" for the communication of H.245 indications.

Citation:	https://handle.itu.int/11.1002/1000/5518
Series title:	H series: Audiovisual and multimedia systems H.200-H.499: Infrastructure of audiovisual services H.240-H.259: Communication procedures
Approval date:	2001-07-29
Provisional name:	H.gcp
Approval process:	AAP
Status:	Superseded
Observation:	This Annex was renumbered as H.248.12 on 2002-03-29 without further modification
Maintenance responsibility:	ITU-T Study Group 16
Further details:	Patent statement(s) Development history

Ed.	ITU-T Recommendation	Status	Summary	Table of Contents	Download
5	H.248.1 v3 (03/2013)	In force	here	here	here
4.2	H.248.1 v3 (2005) Amd. 2 (12/2009)	Superseded	here	-	here
4.1	H.248.1 v3 (2005) Amd. 1 (05/2008)	Superseded	here	here	here
4	H.248.1 v3 (09/2005)	Superseded	here	here	here
3.1	H.248.1 v2 (2002) Cor. 1 (03/2004)	Superseded	here	here	here
3	H.248.1 v2 (05/2002)	Superseded	here	here	here
2	H.248.1 v1 (03/2002)	Superseded	here	here	here
1.9	H.248 Annex M4 (07/2001)	Superseded	here	here	here
1.8	H.248 Annex M2 (07/2001)	Superseded	here	-	here
1.7	H.248 Annex L (07/2001)	Superseded	here	here	here
1.6	H.248 Annex K (11/2000)	Superseded	-	-	here
1.5	H.248 Annex J (11/2000)	Superseded	-	-	here
1.4	H.248 Annex I (11/2000)	Superseded	-	-	here
1.3	H.248 Annex H (11/2000)	Superseded	-	-	here
1.2	H.248 Annex G (11/2000)	Superseded	-	-	here
1.1	H.248 Annex F (11/2000)	Superseded	-	-	here
1	H.248 (06/2000)	Superseded	-	-	here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. 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
Implementers' Guide for ITU-T H.248 Sub-series	2017-10-27	here
Implementers’ Guide for Recommendation ITU-T H.248.1 Version 2 (Media Gateway Control Protocol) and its Corrigendum 1 (03/2004)	2008-05-02	here
Implementers’ Guide for Recommendation ITU-T H.248.1 Version 1 (03/2002) ("Media Gateway Control Protocol")	2006-03-30	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

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ITU-T H.248 Annex M4 (07/2001)