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.

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传统的P 2 P流量识别方法主要有基于端口的识别方法、深层数据包检测技术、基于流特征的识别技术等。

Traditional P2P traffic identification methods are based on port identification, or deep packet inspection technology, or based on identifying technology of flow characteristics.

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它的编程接口严格基于WSDL端口类型定义的抽象服务接口。

Its programming interface is strictly based on the abstract service interface defined by the WSDL port type.

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