Lawful Interception Based on SIP
Yongjuan Wang · Jisuanji gongcheng · 2008
In view of the Next Generation Network(NGN)'s characteristic,this article proposes a Session Initiation Protocol(SIP)-based lawful interception solution which may be used in the next generation network.After thorough analysis of the Cisco's IP-based Lawful Interception architecture and combined with SIP call setup flow,it is introduced into the NGN.The result proves this implementation of lawful interception in NGN is feasible and safe.