[Conditional] old AMF to new AMF: Response to Namf_Communication_UEContextTransfer (SUPI
, MM Context, SMF information, PCF ID).
Old AMF responds to the new AMF for the Namf_Communication_UEContextTransfer invocation by including the UE's SUPI
and MM Context.
If old AMF holds information about established PDU Sessions, the old AMF includes SMF information including S‑NSSAI
(s), SMF identities and PDU Session ID.
If old AMF holds information about active NGAP UE-TNLA bindings to N3IWF, the old AMF includes information about the NGAP UE-TNLA bindings.