P-CSCF是用户终端在IP多媒体子系统内的第一个接触点；S-CSCF实际处理网络会话状态; I-CSCF是所有都连接到该网络运营商的签约用户， 或者连接到当前 ...

P-CSCF discovery is made prior to communication to the IMS core network and only performed before an initial registration. The approach introduced in this paper is to provide an efficiency mechanism ...

本公开的方法包括：代理呼叫会话控制功能P‑CSCF接收第一终端发送的业务请求，其中，业务请求包括：多媒体实时业务的标识；P‑CSCF根据业务请求 ...

CSCF Requirement: The CSCF emphasizes the importance of isolating SWIFT-related systems from other, potentially less secure, parts of an organization’s network. How TrueFort Helps: With its dynamic ...

IMS注册 19、20、21：UE通过向P-CSCF发送SIP REGISTER发起IMS注册，I-CSCF向HSS发送User-Authorization-Request (UAR) 执行用户注册状态查询，HSS授权用户使用IMS服务后，在User-Authorization-Answer（UAA）响应中返回该用户的S-CSCF地址。

He further added, “It can emulate multiple UEs and IMS core elements such as Proxy – Call Session Control Function (P-CSCF), Interrogating - Call Session Control Function (I-CSCF), Serving ...