| 对H.323系统内的多级优先和预占（MLPP）的支持 |
本建议书描述多级优先和预占（MLPP）的程序和信令协议 ，允许H.323环境中的通话发起方指定呼叫的优先级，可以预占现有优先级较低的呼叫来释放完成更高优先级呼叫所需的资源。对于实现这一功能的 网络和域，H.460.14机制确保重要通话可以在拥塞期间得以建立并保持连接。这些程序使用H.323的一般可扩展框架，因此不需要对基础标准做任何改动。 |
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| Citation: |
https://handle.itu.int/11.1002/1000/7237 |
| 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: |
2004-03-15 |
| Provisional name: | H.460.mlpp |
| Approval process: | AAP |
|
Status: |
In force |
|
Maintenance responsibility: |
ITU-T Study Group 21 |
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Further details: |
Patent statement(s)
Development history
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| Ed. |
ITU-T Recommendation |
Status |
Summary |
Table of Contents |
Download |
|
1
|
H.460.14 (03/2004)
|
In force
|
here
|
here
|
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)
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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
|
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H Suppl. 17 (11/2014)
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Guide for addressing accessibility in standards
|
In force
|
here
|
here
|
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
|
In force
|
here
|
here
|
here
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H Suppl. 19 (04/2021)
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Usage of video signal type code points
|
In force
|
here
|
here
|
here
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H Suppl. 21 (01/2025)
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Film grain synthesis technology for video applications
|
In force
|
here
|
here
|
here
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H.460.14 (2004-03)
|
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Index of all ASN.1 assignments defined in this Recommendation.
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Click
here
to download all the modules of this Recommendation (zipped archive)
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Click here to download all the modules needed to compile this Recommendation (zipped archive)
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| Language |
Title |
OID |
Obs. |
Last update |
|
ASN.1
|
MLPP
|
-
|
|
|
| Title |
Approved on |
Download |
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Testing of personal audio systems for compliance with ITU-T H.870 (2018)
|
2024
|
here
|
|
Testing of personal audio systems for compliance with ITU-T H.870 (2018)
|
2021
|
here
|
|
Telecommunications Accessibility Checklist
|
2006
|
here
|
|
