控制层：呼叫会话控制功能(Call Session Control Function,CSCF)是指代sip服务器或代理的统称，是控制层中的核心组成部分之一。
Control layer: the Call Session control Function (CSCF), which is a general name that refers to SIP servers or proxies, is one of the core elements in the control layer.
控制层：呼叫会话控制功能(Call Session Control Function,CSCF)是指代sip服务器或代理的统称，是控制层中的核心组成部分之一。
Control layer: the Call Session control Function (CSCF), which is a general name that refers to SIP servers or proxies, is one of the core elements in the control layer.
应用推荐