支持3GPP SIP协议的SIP协议栈的设计与实现
首发时间:2009-09-02
摘要:会话初始协议SIP(Session Initiation Protocol),作为3GPP(3rd Generation Partnership Project)所推出的IMS(IP Multimedia Subsystem)的基础协议,它是一种应用层的控制协议,它可以用来创建、修改或终止多媒体会话,如因特网电话呼叫等。同时,SIP 还可以邀请参与者参加已经存在的会话,如多方会议等,可以实现向现有的会话添加或删除媒体,也支持名字映射和重定向服务。
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DESIGN AND IMPLEMENTATION OF SIP PROTOCOL STACK SUPPORTING 3GPP SIP PROTOCOL
Abstract:SIP (Session Initiation Protocol), as a basic protocol of IMS (IP Multimedia Subsystem) provided by 3GPP (3rd Generation Partnership Project), is an application-layer control protocol that can establish, modify and terminate multimedia sessions, such as Internet telephony calls. SIP can also invite participants to the sessions which have existed, such as multicast conferences. Media can be added to or removed from an existing session. SIP also supports name mapping and redirection services.
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