摘要
基于IP网络的SIP(会话发起协议)话机正得到越来越广泛的应用。研究SIP电话与模拟电话的互通方法具有重要的现实意义。文章介绍模拟电话和IP电话的网络结构,研究SIP电话与模拟电话互通的关键功能实现流程,包括注册流程、号码分析流程、媒体转换流程与呼叫流程,并对呼叫流程的各个阶段实现步骤进行详细分析。
出处
《电信快报(网络与通信)》
2013年第7期25-27,31,共4页
Telecommunications Information
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