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对SIPIP多媒体通信系统进行了简单的介绍。详细分析了DNS系统中的SRV和NAPTR两种资源记录及其使用方法。重点描述了SIPIP多媒体通信系统中的地址翻译过程,包括客户端的地址翻译和服务器端的地址翻译。
SIPIP multimedia communication system for a brief introduction. This paper analyzes in detail the SRV and NAPTR resource records in DNS system and their usage. This paper mainly describes the address translation process in SIPIP multimedia communication system, including client address translation and server-side address translation.