Method and system of providing lawful interception of calls

摘要

The invention concerns a method for providing lawful interception within a communication network as well as an interception gateway and a media gateway controller Media gateways transmit RTP/IP packets comprising the content of an intercepted communication to the interception gateway adapted to receive such content of communication from at least two media gateways. The media gateway controller transmits corresponding interception related information of said communication to the interception gateway. The interception gateway transmits said interception related information and said corresponding communication content together to a corresponding monitoring facility.