vSMF Clear Subscriber Release Session Procedure

This section provides details about the release session procedure for vSMF by using an Ops Center.

vSMF Clear Subscriber Release Session Call Flow Description
Step	Description
1	The Ops Center or the vUPF issues a clear subscriber release request.
2	The vSMF acknowledges the receipt of the message.
3	The vSMF receives a release request response from the hSMF.
4	The vSMF releases the PFCP session for the vUPF.
5	The vSMF releases the charging session and updates the CHF.
6	The AMF receives an N1/N2 transfer request.
7	The vSMF receives information regarding the N2 status and acknowledges with a 204 No Content message.
8	The vSMF receives an N1 release complete notification from the AMF and responds with a 204 No Content message.
9	The vSMF updates the AMF with an Sm Context Status Notification message, which indicates that the session is released.