School of Specs 24.501v20.0.0

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

7.5.3 5GS session management

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

The following UE procedures shall apply for handling an error encountered with a mandatory information element in a 5GSM message:

  • If the message is a PDU SESSION ESTABLISHMENT ACCEPT, the UE shall initiate PDU session release procedure by sending a PDU SESSION RELEASE REQUEST message with 5GSM cause #96 "invalid mandatory information".
  • Void.
  • If the message is a PDU SESSION RELEASE COMMAND, a PDU SESSION RELEASE COMPLETE message with 5GSM cause #96 "invalid mandatory information" shall be returned.

The following network procedures shall apply for handling an error encountered with a mandatory information element in a 5GSM message:

  • If the message is a PDU SESSION ESTABLISHMENT REQUEST, a PDU SESSION ESTABLISHMENT REJECT message with 5GSM cause #96 "invalid mandatory information" shall be returned.
  • If the message is a PDU SESSION MODIFICATION REQUEST, a PDU SESSION MODIFICATION REJECT message with 5GSM cause #96 "invalid mandatory information" shall be returned.
  • If the message is a PDU SESSION RELEASE REQUEST, a PDU SESSION RELEASE REJECT message with 5GSM cause #96 "invalid mandatory information" shall be returned.