All Bearers Are Rejected Call Flow
This section describes the All Bearers Are Rejected call flow.

Step |
Description |
---|---|
1 |
The SMF sends a N7 Create request to the PCF. |
2 |
The PCF responds to the SMF with the success response. |
3 |
The AF sends an N5 Create request (Audio and Video) message to the PCF. |
4 |
The PCF performs the N5 Authorization CRD lookup. |
5 |
The N5 Authorization CRD evaluates both, audio and video bearer. If there is a missing MediaType IE, PCF rejects the bearer. PCF validates all the bearers for Bearer-Authorization=REJECT. The bearers are classified as unauthorized and are not installed on the SMF. If all bearers received in the AAR are rejected, PCF sends a N5 Create error response with Status Code=403 Forbidden, Problem Cause=REQUESTED_SERVICE_NOT_AUTHORIZED, Problem Detail=Throttled to the AF |