A quality processing system comprises an interface and a processing system. The interface is configured to receive a first quality message from a wireless end device in the first region wherein the first quality message indicates a first quality metric of the first region during the session, and receive a session quality message indicating a session quality metric for the session. The processing system is configured to process the first quality metric with the session quality metric to determine if the session problem occurred in the first region or the second region, generate an isolation message indicating in which of the first region or second region the problem occurred, and transfer the isolation message.