US Patent No. 10,367,707

DIAGNOSING CAUSES OF APPLICATION LAYER INTERRUPTIONS IN PACKET-SWITCHED VOICE APPLICATIONS


Patent No. 10,367,707
Issue Date July 30, 2019
Title Diagnosing Causes Of Application Layer Interruptions In Packet-switched Voice Applications
Inventorship Susan W. Sanders, Bridgewater, NJ (US)
Kazutaka Murakami, Tokyo (JP)
Larry Hsiao Chang, Madison, NJ (US)
Girish P. Chandranmenon, Edison, NJ (US)
Scott C. Miller, Freehold, NJ (US)
Assignee Nokia of America Corporation, Murray Hill, NJ (US)

Claim of US Patent No. 10,367,707

1. A method comprising:concurrently monitoring application layer packets for a call supported by a voice application and signaling layer events associated with the voice application;
in response to detecting an interruption in the call based on the monitoring of the application layer packets, correlating the interruption with the signaling layer events; and
generating a key performance indicator (KPI) message including information indicating the interruption and at least one signaling layer event that is correlated with the interruption.