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.
ITU-T H.460.23 AMD 1-2011由国际电信联盟 IX-ITU 发布于 2011-05-01。
ITU-T H.460.23 AMD 1-2011 在中国标准分类中归属于: M10 通信网综合。
* 在 ITU-T H.460.23 AMD 1-2011 发布之后有更新,请注意新发布标准的变化。
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