Offline Usage Report in N4 Session Deletion Response
The following call flow and procedure describes the Usage report in Session Deletion Response.
Note | Ensure that the UE or Network Initiated delete session is detected at the SMF. |

Step | Description |
---|---|
1 |
SMF initiates N4 Session Deletion Request to delete the session to the UPF. |
2 |
UPF sends N4 Session Deletion Response with offline Usage report. |
3 |
SMF sends GTPP Data Transfer Request with or without SDF Containers.
|
4 |
SMF receives GTPP Data Record Transfer Response from OFCS. |