| 针对H.323系统的消息广播 |
本建议书定义了一个属性，H.323设备可以广播（使用多播）消息到一个或多个远程H.323终端，如提供企业电话的 “对讲”功能，企业“寻呼”业务，或地理分散的终端的通知系统。由于该方法采用了标准的互联网多播程序，该功能可能会大规模使用，连接一个地理区域，甚至整个世界的任意数量的H.323端点。 |
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| Citation: |
https://handle.itu.int/11.1002/1000/7191 |
| 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: |
2006-05-29 |
| Provisional name: | H.460.mb |
| Approval process: | AAP |
|
Status: |
In force |
|
Maintenance responsibility: |
ITU-T Study Group 21 |
|
Further details: |
Patent statement(s)
Development history
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| Ed. |
ITU-T Recommendation |
Status |
Summary |
Table of Contents |
Download |
|
1
|
H.460.21 (05/2006)
|
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
|
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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
|
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H Suppl. 18 (10/2017)
|
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)
|
Usage of video signal type code points
|
In force
|
here
|
here
|
here
|
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H Suppl. 21 (01/2025)
|
Film grain synthesis technology for video applications
|
In force
|
here
|
-
|
here
|
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H.460.21 (2006-05)
|
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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)
|
| Title |
Approved on |
Download |
|
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
|
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