Usage Reporting Call Flow

This section describes the Usage Reporting call flow.

Usage Reporting Call Flow
Usage Reporting Call Flow Description
Step Description
1

On UPF, the configured usage monitoring threshold limit reaches.

2

UPF sends the PFCP Session Report Request along with the usage information for the URR to SMF.

3 SMF sends PFCP Session Report Response with Cause: PFCP Cause Request Accepted.
4

SMF sends the received usage information to PCF in the Policy Update Request.

5

PCF acknowledges with either updated threshold for monitoring or none to SMF. In case of none, monitoring to SMF is disabled.

6

SMF removes or updates the corresponding URR and sends the modification request to UPF.

7

UPF deactivates or reactivates the monitoring based on the received information.

8

UPF sends the acknowledgment response with the corresponding cause code to SMF.