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Policy is not trigerred in RAR when AAR contains Flow-Status : ENABLED_DOWNLINK (Doc ID 2943525.1)

Last updated on APRIL 28, 2023

Applies to:

Oracle Communications Policy Management - Version POLICY 12.2.1 to POLICY 12.2.2 [Release POLICY 12.0]
Information in this document applies to any platform.


On : POLICY 12.2.1 version, Wireless (Production)

AAR/RAR transaction in VoLTE call

We found a strange PCRF's behavior in a VoLTE voice call.
In the RAR message that PCRF sends to the PGW we can't see the AVP Rating-Group=10 even though it is required by the policy:

where the request is creating a new flow, modifying an existing flow
And where the specific action is one of ACCESS_NETWORK_INFO_REPORT
Advanced: set values for QoS and Charging parameters to

Diameter Enforcement Session Event Triggers ACCESS_NETWORK_INFO_REPORT
Diameter PCC Rule Required Access Info USER_LOCATION

Advanced: set values for QoS and Charging parameters to

Diameter PCC Rule Rating-Group 10

skip to next flow
accept message

This causes a "Rule-Failure-Code: RATING_GROUP_ERROR (2)" in the RAA from the PGW and the call is dropped.
Here attached you can find the KO call with AAR/RAR transaction NOT including the Rating-Group=10 and, for comparison, an OK call with AAR/RAR transaction including the Rating-Group=10. --> look at the txt files
In addition we attach a pcap trace taken on PGW covering both the OK RAR/RAA transaction (look at pkg. #8 (req) and pkg. #7 (ans)) and the KO RAR/RAA transaction (look at pkg. #15 (req) and pkg. #16 (ans)).

Can you check and give us an explanation for this different behavior?


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