Updating Notify SM Policy
This section describes the Updating Notify SM Policy call flow.

Step |
Description |
---|---|
1 |
The CDL sends a next evaluation timer request to the PCF. |
2 |
The PCF sends the Session Record in response to the CDL. |
3 |
The PCF resolves the service configuration. |
4 |
If the charging information is not available in the PCF session, PCF populates the PCF session with primary and secondary CHF address in the charging information. |
5 |
If the charging information is configured in the service, PCF adds the charging information in the response object. |
6 |
If the table driven charging decision is configured in the service, PCF queries the CRD to retrieve the list pf charging decisions. |
7 |
The PCF compares the results with the PCF session to identify the delta. |
8 |
The PCF adds the charging decisions in the response object. |
9 |
The PCF sends the Update Session request to the CDL. |
10 |
In response, the CDL sends an acknowledgment to the PCF. |
11 |
The PCF sends a N7 Notify request to the SMF. |
12 |
The SMF sends a N7 Notify response to the PCF. |