School of Specs 24.501v20.0.0

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

6.3.1A.5 Abnormal cases in the UE

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

The following abnormal case can be identified:

  • Collision of UE-requested PDU session release procedure and a service-level authentication and authorization procedure.

When the UE receives a SERVICE-LEVEL AUTHENTICATION COMMAND message during the UE-requested PDU session release procedure, and the PDU session indicated in SERVICE-LEVEL AUTHENTICATION COMMAND message is the PDU session that the UE has requested to release, the UE shall ignore the SERVICE-LEVEL AUTHENTICATION COMMAND message and proceed with the UE-requested PDU session release procedure.