会话启动协议是由IETF提出的一个应用层的信令控制协议,用来创建、修改和终结一个或多个参加者参加的会话进程。
The session Initiation protocol (SIP) is an application-layer control (signaling) protocol distributed by IETF for creating, modifying, and terminating sessions with one or more participants.
会话启动协议是由IETF提出的一个应用层的信令控制协议,用来创建、修改和终止一个或多个参加者参加的会话进程。
The session Initiation protocol (SIP) is an application-layer control (signaling) protocol distributed by IETF for creating, modifying and terminating sessions with one or more participants.
会话启动协议是由IETF提出的一个应用层的信令控制协议,用来创建、修改和终止一个或多个参加者参加的会话进程。
The session Initiation protocol (SIP) is an application-layer control (signaling) protocol distributed by IETF for creating, modifying and terminating sessions with one or more participants.
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