5.8 ME Identity Check Procedures for PMIP-based S5/S8
23.4023GPPArchitecture enhancements for non-3GPP accessesRelease 18TS
ME identity check by the MME in case of PMIP-based S5/S8 is performed as defined for GTP-based S5/S8, see clause 5.3.2.1 (E-UTRAN Initial Attach procedure) of TS 23.401 [4].
No ME identity check support is specified on the S5/S8 reference point.