Lawful Interception (LI)
3GPP systems shall provide access to the intercepted Communication and signalling associated with the mobile target on behalf of Law Enforcement Agencies (LEAs).
Define Lawful interception Architecture and Functionality.
Define delivery mechanisms for LI handover.
Interception based on a target identity.
Correlation of delivered information.
Interception must take place without the knowledge of parties to the communication.
Protect the privacy and security of communications and signalling not authorised to be intercepted.