School of Specs 24.501v20.0.0

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

8.2.6.20 5GS update type

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

This IE shall be included when the UE is performing the registration procedure to indicate any of the following:

  • the UE requests the use of SMS over NAS or there is a change in the UE's requirements to use SMS over NAS;
  • a change in the UE's radio capability for NG-RAN;
  • the UE requests CIoT 5GS optimizations; or
  • the UE requests CIoT EPS optimizations.