The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 17, 2009

Filed:

Dec. 30, 2005
Applicants:

Hossein Eslambolchi, Los Altos, CA (US);

John Mccanuel, Bailey, CO (US);

Paritosh Bajpay, Edison, NJ (US);

David LU, Morganville, NJ (US);

Zhijian Xu, Duluth, GA (US);

Li-jun W. Chung, Lincroft, NJ (US);

Jeffrey Stein, Cliffwood, NJ (US);

Richard Farel, Englishtown, NJ (US);

Inventors:

Hossein Eslambolchi, Los Altos, CA (US);

John McCanuel, Bailey, CO (US);

Paritosh Bajpay, Edison, NJ (US);

David Lu, Morganville, NJ (US);

Zhijian Xu, Duluth, GA (US);

Li-Jun W. Chung, Lincroft, NJ (US);

Jeffrey Stein, Cliffwood, NJ (US);

Richard Farel, Englishtown, NJ (US);

Assignee:

AT&T Corp., New York, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 1/24 (2006.01);
U.S. Cl.
CPC ...
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.


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