6.2.1 General

33.1273GPPLawful Interception (LI) architecture and functionsRelease 18TS

Figure 6.2-1 depicts the 5G EPC-anchored LI architecture. The network functions are depicted in grey, while the LI elements are depicted in blue.

Figure 6.2-1: 5G EPC-anchored LI architecture

Figure 6.2-2 depicts the 5G core-anchored LI architecture. The network functions are depicted in grey, while the LI elements are depicted in blue.

Figure 6.2-2: 5G core-anchored LI architecture

NOTE: A CC-POI may also be present in the SMF for roaming NIDD interception, which is not shown in figure 6.2-2.