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ITU-T H.245 (07/2001)

Protocole de commande pour communications multimédias

La présente Recommandation spécifie la syntaxe et la sémantique des messages d'information des terminaux ainsi que les procédures d'utilisation de ces messages pour les négociations dans la bande en début ou en cours de communication. Ces messages portent sur les capacités d'émission et sur les capacités de réception, sur la préférence de mode du côté réception, sur la signalisation de voie logique et sur les commandes et indications. Des procédures de signalisation avec acquittement sont spécifiées pour assurer la fiabilité des communications audiovisuelles et des transmissions de données.Les produits déclarés comme étant conformes à la version 8 de la Rec. H.245 doivent satisfaire à toutes les prescriptions obligatoires de la présente Recommandation. Les produits de la version 8 peuvent être identifiés par des messages H.245 TerminalCapabilitySet contenant une valeur protocolIdentifier de {itu-t (0) recommendation (0) h (8) 245 version (0) 8}.

Citation:	https://handle.itu.int/11.1002/1000/5514
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
Approval process:	AAP
Status:	Superseded
Maintenance responsibility:	ITU-T Study Group 16
Further details:	Patent statement(s) Development history [3 related work items in progress]

Ed.	ITU-T Recommendation	Status	Summary	Table of Contents	Download
17.1	H.245 v17 (2022) Cor. 1 (12/2022)	In force	here	here	here
17	H.245 v17 (03/2022)	In force	here	here	here
16	H.245 v16 (05/2011)	Superseded	here	here	here
15	H.245 v15 (12/2009)	Superseded	here	here	here
14	H.245 (06/2008)	Superseded	here	here	here
13	H.245 (05/2006)	Superseded	here	here	here
13.0	H.245 (2006) Err. 1 (10/2006)	Superseded	-	-	here
13.0	H.245 (2006) Err. 2 (11/2007)	Superseded	-	-	here
12	H.245 (10/2005)	Superseded	here	here	here
11	H.245 (01/2005)	Superseded	here	here	here
10	H.245 (07/2003)	Superseded	here	here	here
9	H.245 (02/2003)	Superseded	here	-	here
8	H.245 (07/2001)	Superseded	here	here	here
7	H.245 (11/2000)	Superseded	here	here	here
6	H.245 (02/2000)	Superseded	here	here	here
5	H.245 (05/1999)	Superseded	here	here	here
4	H.245 (09/1998)	Superseded	-	-	here
3	H.245 (02/1998)	Superseded	-	-	here
2	H.245 (07/1997)	Superseded	-	here	here
1	H.245 (03/1996)	Superseded	-	-	here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. 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

H.245 (2001-07)

Index of all ASN.1 assignments defined in this Recommendation.

Click here to download all the modules of this Recommendation (zipped archive)

Click here to download all the modules needed to compile this Recommendation (zipped archive)

Language	Title	OID	Obs.	Last update
ASN.1	MULTIMEDIA-SYSTEM-CONTROL	-

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 Recommendations

ITU-T H.245 (07/2001)