Section: 6.5.3 5GSM status received in the SMF
Content: If the SMF receives a 5GSM STATUS message the SMF shall take different actions depending on the received 5GSM cause value: #43 invalid PDU session identity. The SMF shall abort any ongoing 5GSM procedure related to the PTI or PDU session ID, stop any related timer and locally release the PDU session indicated in the 5GSM STATUS message. #47 PTI mismatch. The SMF shall abort any ongoing 5GSM procedure related to the received PTI value and stop any related timer. If the PTI indicated in the 5GSM STATUS message is related to a PDU SESSION ESTABLISHMENT ACCEPT message, the SMF shall perform a local release of the PDU session indicated in the PDU SESSION ESTABLISHMENT ACCEPT message. #81 invalid PTI value. The SMF shall abort any ongoing 5GSM procedure related to the received PTI value and stop any related timer. #96 invalid mandatory information. The SMF shall abort any ongoing 5GSM procedure related to the PTI or PDU session ID and stop any related timer. #97 message type non-existent or not implemented. The SMF shall abort any ongoing 5GSM procedure related to the PTI or PDU session ID and stop any related timer. The local actions to be taken by the SMF on receipt of a 5GSM STATUS message with any other 5GSM cause value are implementation dependent.