Patent ID: 7620389

Claim:
An apparatus, comprising: control circuitry configured to handle signalling of a connection between a user equipment and a communication device, wherein the connection comprises an internet telephony connection; a receiver configured to receive, from a lawful interception gateway, an identity of a target to be intercepted, said identity being not recognizable for a support element or network element for performing interception of the connection; a processor configured to recognize the connection to be intercepted on the basis of the identity, to map the identity of the target to be intercepted to a transport level identity, said transport level identity being recognizable for a support element or network element for performing interception of the connection, and to generate interception information to inform a support element or a network element of an identification of the connection with the target to be intercepted on the basis of the mapped transport level identity; and a transmitter configured to send signalling traffic, related to the connection with the target to be intercepted, to a support element or a lawful interception gateway, wherein said signalling traffic is configured to trigger interception of the connection to be intercepted and comprises the interception information to identify the connection to be intercepted on the basis of the mapped transport level identity and identifies a correlation between interception-related information from a control plane and content of communication from a user plane, wherein the interception information transmitted to the support element or network element indicates an address of the lawful interception gateway and wherein the apparatus comprises one of a call processing server, call state control function, and home subscriber server, wherein the interception-related information from the control plane and the content of communication from the user plane are correlated by using one of a correlation identity and a call-related identity, wherein the correlation identity comprises one of a charging identity and a correlation identity, wherein the correlation identity is configured to be delivered to the support element or network element with a lawful interception trigger, and wherein the call-related identity is used in the control plane and a user plane for charging purposes.