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:
May. 13, 2014
Filed:
Feb. 28, 2008
Applicants:
Richard George, Waterloo, CA;
Alexander Shatsky, Waterloo, CA;
Inventors:
Richard George, Waterloo, CA;
Alexander Shatsky, Waterloo, CA;
Assignee:
Blackberry Limited, Waterloo, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 36/00 (2009.01);
U.S. Cl.
CPC ...
Abstract
A method and system for handing off an active VoIP call with a remote party from a VoIP interface of a dual-mode device to a cellular interface of the dual-mode device. A cellular call is established between a PBX IP/PSTN gateway and the cellular interface. Media relating to the first termination point of the VoIP leg of the active call is then redirected to the cellular call and the VoIP leg is terminated.