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.
Patent No.:
Date of Patent:
Sep. 13, 2011
Filed:
Mar. 26, 2008
AL Baker, Brick, NJ (US);
Mehmet C. Balasaygun, Freehold, NJ (US);
Frank J. Boyle, Denver, CO (US);
Gordon Brunson, Brromfield, CO (US);
Benjamin Jenkins, Zionsville, IN (US);
Pamela J. Lauber, Middletown, NJ (US);
Thomas A. Petsche, Neshanic Station, NJ (US);
Al Baker, Brick, NJ (US);
Mehmet C. Balasaygun, Freehold, NJ (US);
Frank J. Boyle, Denver, CO (US);
Gordon Brunson, Brromfield, CO (US);
Benjamin Jenkins, Zionsville, IN (US);
Pamela J. Lauber, Middletown, NJ (US);
Thomas A. Petsche, Neshanic Station, NJ (US);
Avaya Inc., Basking Ridge, NJ (US);
Abstract
Provided are methods, devices, and systems for maintaining a SIP survivable User Agent. The present invention is adapted to allow the User Agent to detect the status of the network, thus providing the User Agent to perform failover/failback operations. The User Agent may be adapted to determine the status of the network based on its own monitoring mechanisms and/or based on messages received from other network components.