School of Specs 24.501v20.0.0

3GPP 24.501 v20.0.0 — the document's own text

5.1.5 Coordination between 5GMM and GMM

Taught in 4. Inside TS 24.501, the document at the centre (CT1 — the group that writes what your phone says, overview).

Coordination between 5GMM and GMM states is not required.

Regardless whether the UE is operating in single-registration mode or dual-registration mode,

  • if the UE considers the SIM/USIM invalid for any of: 3GPP access in N1 mode, S1 mode, A/Gb mode or Iu mode, then it considers the SIM/USIM invalid for all of them; and
  • if the UE considers the USIM invalid for 5GS services for any of: 3GPP access in N1 mode, S1 mode, A/Gb mode or Iu mode, then it considers the USIM invalid for 5GS services for all of them.