All Bearers Are Rejected Call Flow

This section describes the All Bearers Are Rejected call flow.

All Bearers Are Rejected Call Flow
All Bearers Are Rejected Call Flow Description

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