| 针对消息流的更正 |
ITU-T H.460.22建议书确定H.225.0呼叫信令的安全谈判机制。两个实体之间经谈判得出的安全机制须在启动呼叫建立程序之前用于H.225.0的呼叫信令信息中。本建议书详细说明谈判程序，这些程序可在H.323系统之间提供必要的安全互操作性。此外，本建议书还规定了呼叫信令信息中的安全能力参数的句法。 |
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| Citation: |
https://handle.itu.int/11.1002/1000/9489 |
| Series title: |
H series: Audiovisual and multimedia systems
H.200-H.499: Infrastructure of audiovisual services
H.450-H.499: Supplementary services for multimedia |
| Approval date: |
2008-06-13 |
| Provisional name: | H.460.spn |
| Approval process: | AAP |
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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Superseded |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)
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
|
here
|
here
|
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
|
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
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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
|
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
|
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
|
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)
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2021
|
here
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Telecommunications Accessibility Checklist
|
2006
|
here
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