G.4.2 Top-level view

33.1283GPPProtocol and procedures for Lawful Interception (LI)Release 18SecurityStage 3TS

When the target identifier is one or more of IMSI, IMEI, MSISDN, the LI functions in EPC are provisioned. When the target identifier is one or more variants of SUPI, PEI, GPSI, the LI functions in 5GC are provisioned.

Figure G.4-1 provides the top-level view of LIPF logic for the service type of Data.

Figure G.4-1: Top-level view of LIPF logic for the service type Data

Within figure G.4-1, PEI collectively represents PEIIMEI and PEIIMEISV. Likewise, SUPI represents SUPIIMSI and SUPINAI whereas GPSI represents GPSIMISDN and GPSINAI.