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通过对 H.32 3协议体系和 SIP协议进行分析比较 ,提出实现 H.32 3与 SIP互通的一个模型 ,并提出协议转换网关的概念 .
By analyzing and comparing the H.323 protocol system and the SIP protocol, a model for implementing interworking between H.323 and SIP is proposed and the concept of protocol conversion gateway is proposed.