针对会话发起协议（SIP）穿越网络地址转换（NAT）的问题，提出一种基于端口探测的解决方案。
To solve the problem of Session Initiation Protocol(SIP) traversing Network Address Translator(NAT), this paper describes a new method based on port detection.
通过端口预测方法实现对称型网络地址转换的穿越。
The symmetrical NAT traversal is achieved by using port prediction method.
通过端口预测方法实现对称型网络地址转换的穿越。
The symmetrical NAT traversal is achieved by using port prediction method.
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