School of Specs 24.501v20.0.0

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

8.2.7.37 Truncated 5G-S-TMSI configuration

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

The network shall include this IE if:

  • the UE is in NB-N1 mode;
  • the UE requests "control plane CIoT 5GS optimization" in the 5GS update type IE of REGISTRATION REQUEST message;
  • the AMF decides to accept the requested CIoT 5GS optimization; and
  • the network is configured to provide the truncated 5G-S-TMSI configuration for control plane CIoT 5GS optimizations.