School of Specs 24.501v20.0.0

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

6.5.2 5GSM status received 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).

If the 5GSM entity of the UE receives a 5GSM STATUS message the UE shall take different actions depending on the received 5GSM cause value:

#43 Invalid PDU session identity.

The UE shall abort any ongoing 5GSM procedure related to the PDU session identity, locally release the PDU session, stop any related timer and change the PDU session state to PDU SESSION INACTIVE.

#47 PTI mismatch.

The UE shall abort any ongoing 5GSM procedure related to the received PTI value and stop any related timer.

#81 invalid PTI value.

The UE shall abort any ongoing 5GSM procedure related to the received PTI value and stop any related timer.

#97 Message type non-existent or not implemented.

The UE shall abort any ongoing 5GSM procedure related to the PTI or PDU session ID and stop any related timer.

On receipt of a 5GSM STATUS message with any other 5GSM cause value no state transition and no specific action shall be taken as seen from the radio interface, i.e. local actions are possible.