N4 Session Report

This section provides details on the N4 Session Report.

N4 Session Report
N4 Session Report Call Flow Description

Step

Description

1

A Device Under Test (DUT) node exists on SMF.

Note

The CnPGW-U contains various URRs with values, such as threshold, quota, and triggers. Some triggers hit at CnPGW-U for a specific URR. The CnPGW-U sends the usage report along with usage reporting trigger to SMF.

CnPGw-U sends the N4 Session Report to SMF for one or multiple URRs across bearers.

2

The SMF sends the CCR-U message for each bearer in different Gy Diameter sessions to OCS. These sessions can have one or multiple MSCCs, which is one for each Rating Group and service ID.

3

The OCS sends the CCA-U message from the corresponding Gy Diameter session to SMF. The Diameter session includes details, such as quota and triggers for each Rating Group and Service ID.

4

The SMF sends the N4 Session Modification Request to CnPGW-U. This request includes details on the required URRs with new quota.

5

The CnPGW-U sends the N4 Session Modification Response to SMF.