Few Bearers Are Rejected Call Flow

This section describes the Few Bearers are Rejected call flow.

Few Bearers Are Rejected Call Flow
Few Bearers Are Rejected Call Flow Description

Step

Description

1

The SMF sends a N7 Create request to the PCF.

2

The PCF responds to SMF with success response.

3

The AF sends an AAR-I (Audio and Video) message to the PCF.

4

The PCF performs the Rx Authorization CRD lookup.

5

The Rx Authorization CRD evaluates both the audio and video bearers. The audio bearers that contain the required Media-Type AVP are tagged as accepted. Video bearers with the missing Media-Type AVP are rejected. Bearers evaluated to Bearer-Authorization=ACCEPT are authorized and installed on the SMF.

PCF responds to the accepted audio bearers with AAA (Audio) Result-Code=DIAMETER_SUCCESS (2001).

6

The PCF sends N7 Notify (Audio) to the SMF.

7

The SMF responds to the PCF with a N7 Notify-Resp (Success).

8

Bearers evaluated to Bearer-Authorization=REJECT are marked as unauthorized and are not installed at the SMF.

The PCF sends RAR (Video) Specific-Action=INDICATION_OF_FAILED_RESOURCES_ALLOCATION message to AF.

9

The AF sends RAA (Success) message to PCF.