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:
Nov. 05, 2013
Filed:
Dec. 15, 2006
Chaoxin Charles Qiu, Austin, TX (US);
William R. J. Chorley, Spicewood, TX (US);
Richard L. Khan, San Ramon, CA (US);
Satish Parolkar, Austin, TX (US);
Robert F. Dailey, Austin, TX (US);
James Jackson, Austin, TX (US);
Chaoxin Charles Qiu, Austin, TX (US);
William R. J. Chorley, Spicewood, TX (US);
Richard L. Khan, San Ramon, CA (US);
Satish Parolkar, Austin, TX (US);
Robert F. Dailey, Austin, TX (US);
James Jackson, Austin, TX (US);
AT&T Intellectual Property I, L.P., Atlanta, GA (US);
Abstract
Fault tolerant VoIP systems and methods to operate the same are disclosed. An example method comprises receiving a registration request at an edge device of a voice over Internet protocol (VoIP) system from a user device, selecting at the edge device a communication service providing device from a list of devices configured to provide communication services, sending the registration request to the selected communication service providing device, and receiving a registration response from the selected communication service providing device.