Call Flow
The following figure explains the flow of Session Report rejection prcedure.

|
Step |
Description |
|---|---|
|
1 |
UPF sends Session Report message to SMF. (SX_SESSION_REPORT_REQUEST) |
|
2 |
SMF rejects the message with some error code. (SX_SESSION_REPORT_RESPONSE with error code) |
|
3 |
UPF ignores the Session Report error response. SMF initiates Session Delete Request to tear down the session gracefully. (SX_SESSION_DELETION_REQUEST) |
|
4 |
UPF responds to the delete request and clears the session gracefully. (SX_SESSION_DELETION_RESPONSE) |