摘要
基于SIP的VOIP属于分布式结构。在提出的模型中,侦听数据的获取涉及到SIP代理服务器和网关。在SIP代理服务器上获取信令数据,从网关上得到通信内容。所以,基于SIP的VOIP系统侦听的实现还涉及到代理服务器和网关的协调工作。
The VOip system based on SiP is a distributed system. In the proposed interception mode, the acquisition of the intercepted data relates to SIP proxy and gateway. We shall gain signaling data from SiP proxy and communication content from gateway. Therefore, it is important that the SiP proxy is coordinated with gateway.
出处
《无线电工程》
2006年第8期4-7,共4页
Radio Engineering
关键词
合法侦听
侦听接口
SIP
VOIP
lawful intercept （LI）
handover interface （HI）
SIP
VOIP
