6.2.4 LI at UDM for 5G

33.1273GPPLawful Interception (LI) architecture and functionsRelease 18TS

In 5G packet core network, the UDM provides the unified data management for UE. The UDM shall have LI capabilities to generate the target UE’s service area registration related xIRI. See clause 7.2.2 for the details.