ITU-T H.460.23 AMD 1-2011
ITU-T H.323系统中网址转换器和防火墙装置测定.修改件1:支持ITU-T H.460.24附件B.16号研究组

Network address translator and firewall device determination in ITU-T H.323 systems Amendment 1: Support for ITU-T H.460.24 Annex B (Study Group 16)


 

 

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标准号
ITU-T H.460.23 AMD 1-2011
发布日期
2011年05月01日
实施日期
废止日期
中国标准分类号
M10
发布单位
国际电信联盟
引用标准
ITU-T H.225.0-2009 ITU-T H.323-2009 ITU-T H.460.1-2002 ITU-T H.460.17-2005 ITU-T H.460.18-2005 ITU-T H.460.19-2005 ITU-T H.460.24-2009 ITU-T H.460.23-2009
被代替标准
ITU-T H.460.23 AMD 1-2009
适用范围
This Recommendation defines the capability and procedures for determining whether an endpoint is located behind a network address translator (NAT) or firewall (FW) and to determine the characteristics of the NAT/firewall device. This feature detects the NAT/firewall characteristics in order to allow a gatekeeper to determine whether it is possible to stream media directly between two endpoints. If used in conjunction with [ITU-T H.460.24], the scalability of [ITU-T H.460.18]/[ITU-T H.460.19] may be extended to allow media to flow directly between ITU-T H.323 endpoints, thus avoiding the necessity to proxy media through an ITU-T H.460.19 server.




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