文件名称：sip rfc3261英文版
文件大小：3.58MB
文件格式：PDF
更新时间：2013-12-28 13:25:16
sip rfc3261
There are many applications of the Internet that require the creation and management of a session, where a session is considered an exchange of data between an association of participants. The implementation of these applications is complicated by the practices of participants: users may move between endpoints, they may be addressable by multiple names, and they may communicate in several different media - sometimes simultaneously.