发明申请
US20110141947A1 INTEGRATED LAWFUL INTERCEPT FOR INTERNET PROTOCOL MULTIMEDIA SUBSYSTEM (IMS) OVER EVOLVED PACKET CORE (EPC) 有权
互联网协议多媒体子系统(IMS)的综合法律障碍通过演示包核心(EPC)

INTEGRATED LAWFUL INTERCEPT FOR INTERNET PROTOCOL MULTIMEDIA SUBSYSTEM (IMS) OVER EVOLVED PACKET CORE (EPC)
摘要:
A method and a system provide integrated lawful intercept, for IMS over an Evolved Packet Core (EPC), for both packet data and session initiation protocol (SIP)-based applications. The system includes a device that receives a lawful intercept request from a law enforcement agency, and determines whether a packet data lawful intercept or a SIP-based applications (SBA) lawful intercept is requested by the lawful intercept request. The device also provisions, when a packet data lawful intercept is requested by the lawful intercept request, a policy control and charging rules function (PCRF) and a packet data network (PDN) gateway (PGW) for the packet data lawful intercept. The device further provisions, when a SBA lawful intercept is requested, a proxy call session control function (P-CSCF), a serving-CSCF (S-CSCF), and a session border controller (SBC) for the SBA lawful intercept.
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