Patent ID: 8606190

Claim:
A Lawful Interception management system for retrieving at least one of user data and traffic data associated with a given target identity within a telecommunication network, the system comprising: a first common handover interface to both a Data Retention Sources domain and an Intercepting Control Elements domain, said first common handover interface being configured to receive at least one of user data and traffic data from both Data Retention Sources and Intercepting Control Elements; a second common handover interface to at least one Law Enforcement Agency; an Administrative Function device configured to send polling requests via said first common handover interface to said Data Retention Sources domain for retrieving at least one of updated user data or updated traffic data relating to and retained for said target identity; at least one Mediation/Delivery function device configured to compare said updated user data or traffic data received via the first common handover interface with previously received user data or traffic data, respectively, and to send said updated user data or traffic data as Intercept Related Information to said at least one Law Enforcement Agency via said second common handover interface if changes between said updated data and said previously received data meet predetermined requirements.