Patent ID: 8782283

Claim:
A method for use in a telecommunications network for providing law enforcement agencies with interception or retention data related to the content of a source message to or from a target user, the method comprising the step of configuring a messaging gateway to operate as an Intercepting Control Element or a Data Retention source and the steps of, at the messaging gateway: receiving from a messaging server a source message generated by a sender user (A) and addressed to a recipient (B) and coded in a first format, wherein the target user is either sender (A) or recipient (B); converting said source message into a destination message, coded in a second format, to the recipient, wherein the recipient does not receive said source message in said first format; generating interception information data including information referring to both the source message and the destination message; and sending said interception information data to a Delivery Function, for being forwarded to a Law Enforcement Agency.