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:
Jul. 31, 2012

Filed:

Mar. 27, 2007
Applicants:

Jagannathan Shiva Shankar, Bangalore, IN;

Jayathirtha C. Shivaram, San Jose, CA (US);

Inventors:

Jagannathan Shiva Shankar, Bangalore, IN;

Jayathirtha C. Shivaram, San Jose, CA (US);

Assignee:

Cisco Technology, Inc., San Jose, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/54 (2006.01);
U.S. Cl.
CPC ...
Abstract

An apparatus including an operation manager for an Internet Protocol (IP) telephony system. The operation manager is configured to identify a gateway which is associated with a system fault, and determine an impact of the system fault on the IP telephony system, or on an external network that is interfaced to the IP telephony system by the gateway. The impact of the system fault may be determined according to a dial pattern associated with a call routed to the gateway.


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