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:
Aug. 06, 2013
Filed:
Apr. 06, 2009
Armstrong Soo, San Francisco, CA (US);
Blair Lane Porter, Ballwin, MO (US);
Bernard Siu-man Ku, Austin, TX (US);
Phyllis G. Anderson, Austin, TX (US);
Armstrong Soo, San Francisco, CA (US);
Blair Lane Porter, Ballwin, MO (US);
Bernard Siu-Man Ku, Austin, TX (US);
Phyllis G. Anderson, Austin, TX (US);
AT&T Intellectual Property I, L.P., Atlanta, GA (US);
Abstract
A method of processing a Voice over Internet Protocol (VoIP) call is disclosed. The method includes receiving a Uniform Resource Identifier (URI) associated with a destination telephone number from a telephone number mapping (ENUM) server associated with a third service provider. The method also includes receiving an Internet Protocol (IP) address of a Session Initiation Protocol (SIP) server associated with a second service provider in response to a query by a first service provider to a Domain Name Service (DNS) server. The query is based on the URI. Additionally, the method includes contacting the SIP server using the IP address of the SIP server to set up a bearer path of the VoIP call.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile