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5GS – General Registration – 13 of 24
Signalling flow for TS 23.502 General Register - PEI check

Step 12, verbatim
Optionally the new AMF initiates ME identity check by invoking the N5g-eir_EquipmentIdentityCheck_Get service operation (see clause
The PEI check is performed as described in clause 4.7.
For an Emergency Registration, if the PEI is blocked, operator policies determine whether the Emergency Registration procedure continues or is stopped.