Method for providing detection of fault location for defect calls in a VoIP network

US7505567B1 · kind B1 · utility

Assignee

• AT&T CORP. · US

Inventors

• Hossein Eslambolchi · Los Altos Hills, US
• John McCanuel · Bailey, US
• Paritosh Bajpay · Edison, US
• David H. Lu · Morganville, US
• Zhijian Xu · Lo Wu, CN
• Li-Jun W. Chung · Lincroft, US
• Jeffrey Stein · Cliffwood, US
• Richard A. Farel · Englishtown, US

Key dates

• Filing date: Dec 30, 2005
• Grant date: Mar 17, 2009
• Expiry date: Apr 25, 2026

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04M3/24
• WIPO field: Telecommunications
• WIPO sector: Electrical engineering

Abstract

An arrangement analyzes a plurality of call detail records from multiple sources and find those records related to multiple attempts to set up a particular user's call(s). The call detail records are filtered to establish an understanding of fault location likely to be responsible for what is deemed to be a defective call.