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:
Feb. 21, 2012
Filed:
May. 28, 2009
Applicants:
Srinivasan Balasubramanian, San Diego, CA (US);
Leslie Chiming Chan, San Diego, CA (US);
Murali B. Bharadwaj, San Diego, CA (US);
Uppinder Singh Babbar, San Diego, CA (US);
Inventors:
Srinivasan Balasubramanian, San Diego, CA (US);
Leslie Chiming Chan, San Diego, CA (US);
Murali B. Bharadwaj, San Diego, CA (US);
Uppinder Singh Babbar, San Diego, CA (US);
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
Apparatus and methods are described for establishing a connection to a wireless subscriber network over a wireless LAN. A secure tunnel is established between a PDIF and a mobile station. Both voice and data calls are exchange via the tunnel. Voice calls are forwarded to a SIP GW while data calls are routed to the Internet.