| A real time control protocol for simplex applications using the H.221 LSD/HSD/MLP channels |
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This Recommendation provides a simple yet flexible protocol for simplex, low delay applications such as far end camera control and text conversation using the LSD, HSD, and MLP channels defined in Recommendations H.221 and H.243. |
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| Citation: |
https://handle.itu.int/11.1002/1000/4927 |
| Series title: |
H series: Audiovisual and multimedia systems
H.200-H.499: Infrastructure of audiovisual services
H.220-H.229: Transmission multiplexing and synchronization |
| Approval date: |
2000-02-17 |
| Approval process: | TAP |
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Status: |
Superseded |
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Maintenance responsibility: |
ITU-T Study Group 21 |
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Further details: |
Patent statement(s)
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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
|
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
|
here
|
here
|
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)
|
In force
|
here
|
here
|
here
|
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H Suppl. 11 (02/2009)
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Analysis of class-based home network QoS solutions
|
In force
|
here
|
here
|
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
|
here
|
here
|
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
|
here
|
here
|
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
|
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
|
here
|
here
|
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
|
here
|
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
|
here
|
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
|
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
|
here
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here
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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)
|
2024
|
here
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Testing of personal audio systems for compliance with ITU-T H.870 (2018)
|
2021
|
here
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Telecommunications Accessibility Checklist
|
2006
|
here
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