PDN Detach with Offline and Online rules
The following call flow and procedure describes the Usage report in Session Deletion Response.

Step | Description |
---|---|
UE/Network Initiated delete session is detected at SMF. |
|
1 |
N4 Delete Session Request or Response is exchanged to delete the session and in turn Usage report is received in the N4 Delete session Response. |
3 |
SMF sends GTPP Data Transfer Request with or without SDF Containers.
|
4 |
SMF receives GTPP Data Record Transfer Response from the GTPP server. |