Certain embodiments of the invention generally relate to lawful interception of communications for IP Multimedia System-based (IMS- based) voice over IP (VoIP). For example, some embodiments relate to interception of communications including interception for encrypted, transcoded media. A method may include identifying a network node that provides call content interception. The method may also include determining a codec type used at a location of the call content interception at the network node. The method may further include sending a matched codec of the codec type used at the location of the call content interception at the network node to a delivery function in the communications network.
申请公布号
WO2016126246(A1)
申请公布日期
2016.08.11
申请号
WO2015US14448
申请日期
2015.02.04
申请人
NOKIA SOLUTIONS AND NETWORKS OY;RAO, RAGARAJA;UNDERWOOD, DEREK;BUECKER, WOLFGANG