本文将按照RFC3261逐步的介绍SIP协议,介绍了c和C++语言的实现，分析了osip库的使用和实现。







第一章 概述



一 概述



SIP协议是一个基于应用层的会话控制协议。它可以创建、修改、终止多媒体会话(会议)，也可以邀请参与者加入到一个现有的会话。-This article will introduce in accordance with RFC3261 step-by-step SIP agreement, introduction of c and C++ languages realize analyzed oSIP use and realize the Treasury. Chapter I sets out an overview of SIP-1 is a conversation based on the application layer control protocol. It can create, modify, terminate multimedia sessions (meetings), can also invite participants to join an existing conversation.