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Handling of rrcSetupComplete at gNB is incorrect and/or incomplete

The handling of rrcSetupComplete at the gNB in rrc_gNB_send_NGAP_NAS_FIRST_REQ() is incomplete or partially incorrect:

  • the code selects either the 5G-S-TMSI or the registeredAMF in the rrcSetupComplete message and stores this as a UE identifier to be sent to the AMF. It should handle both
  • (depending on whether multiple PLMNs are supported) it should handle selectedPLMNIdentity, which currently is hardcoded (because we handle only one PLMN).