摘要
SIP协议是用于建立、更改和终止呼叫的应用层协议,在IMS系统中使用非常广泛。而Fork是SIP中一个非常实用非常重要的功能,本文阐述了在Fork功能的基本原理,并在已有的SIP架构上,分析了此功能的实现方法和具体的流程。
Session Initiation Protocol (SIP) is a kind of application layer protocol which can be used to build, change and terminate a call. SIP is widely used in IP Multimedia Subsystem (IMS). Among all the SIP protocol functions, Fork is a very important and practical one. The principle of fork is described in the paper. Furthermore, based on the existing SIP architecture, the function realization and procedure flow are also studied.
出处
《软件》
2015年第7期124-128,共5页
Software
