Patent ID: 8320261
Filing Date: 2012-11-27
Classification: H04L

Abstract:
1. A method for troubleshooting a call setup sequence of a subscriber session across Open Systems Interconnection (OSI) layers of a telecommunications network, the telecommunications network comprising a plurality of network elements, the call setup sequence comprising a plurality of call setup messages sent during call establishment, the method comprising: retrieving a status of a call setup message in the plurality of call setup messages, the call setup message being processed by a network element in the plurality of network elements during a processing period, wherein the network element is configured to store state information associated with a subscriber or service; retrieving a status of the network element during the processing period; and correlating the status of the call setup message with the status of the network element during the processing period; wherein correlating is associating the status of the network element with the status of the call setup message based on a proximity of time during the processing period, the correlating including using a result to determine if a malfunction of the subscriber session is due to a problem associate with the subscriber session or a problem associated with the network element.