| Protocole de commande de passerelle: paquetages H.248.1 pour l'interfonctionnement des terminaux H.323 et H.324 |
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La présente Recommandation définit plusieurs paquetages H.248.1 destinés aux passerelles médias conçues pour assurer l'interfonctionnement entre terminaux H.323 et H.324. Plus précisément, la présente Recommandation contient le paquetage "h324" pour la création de terminaisons prenant en charge les terminaux H.324; le paquetage "h245" pour la création de terminaisons prenant en charge les voies H.245 dans les communications H.324; le paquetage "h323bc" pour la création de terminaisons prenant en charge les voies H.245 dans les communications H.323; le paquetage "h245com" pour la communication de commandes H.245 entre un contrôleur MGC et une passerelle MG; et le paquetage "h245ind" pour la communication d'indications H.245.NOTE ? La présente Recommandation a été renumérotée. Elle constitue l'ancienne Annexe M4 de la Rec. UIT-T H.248. |
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| Citation: |
https://handle.itu.int/11.1002/1000/6009 |
| 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: | P |
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Status: |
Superseded |
| Observation: | This Recommendation was first approved as Annex M4 to H.248, and renumbered and republished as H.248.12 on 2002-03-29 without further modification |
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Maintenance responsibility: |
ITU-T Study Group 21 |
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Further details: |
Patent statement(s)
Development history
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ITU-T Supplement
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Title
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Status
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Summary
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Table of contents
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Download
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H Suppl. 6 (04/2006)
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Control load quantum for decomposed gateways
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In force
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here
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here
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here
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H Suppl. 9 (05/2008)
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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)
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In force
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here
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here
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here
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H Suppl. 11 (02/2009)
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Analysis of class-based home network QoS solutions
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In force
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here
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here
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here
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H Suppl. 12 (11/2013)
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Gateway control protocol: Priority traffic treatment by ITU-T H.248 gateways
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In force
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here
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here
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here
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H Suppl. 13 (10/2015)
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Gateway control protocol: Common ITU-T H.248 terminology - Release 2
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In force
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here
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here
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here
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H Suppl. 14 (10/2015)
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Gateway control protocol: SDP codepoints for gateway control - Release 2
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In force
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here
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here
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here
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H Suppl. 15 (01/2017)
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Conversion and coding practices for HDR/WCG Y'CbCr 4:2:0 video with PQ transfer characteristics
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In force
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here
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here
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here
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H Suppl. 17 (11/2014)
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Guide for addressing accessibility in standards
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In force
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here
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here
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here
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H Suppl. 18 (10/2017)
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Signalling, backward compatibility and display adaptation for HDR/WCG video coding
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In force
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here
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here
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here
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H Suppl. 19 (04/2021)
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Usage of video signal type code points
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In force
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here
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here
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here
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H Suppl. 21 (01/2025)
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Film grain synthesis technology for video applications
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In force
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here
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here
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here
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| Title |
Approved on |
Download |
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Implementers' Guide for ITU-T H.248 Sub-series
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2017-10-27
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here
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| Title |
Approved on |
Download |
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Testing of personal audio systems for compliance with ITU-T H.870 (2018)
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2024
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here
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Testing of personal audio systems for compliance with ITU-T H.870 (2018)
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2021
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here
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Telecommunications Accessibility Checklist
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2006
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here
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