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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.:

US 9843913 B1

PDFFull Text
Date of Patent:
Dec. 12, 2017

Filed:

Jun. 12, 2015

E911 call continuity for wifi offload

Applicant:

At&t Intellectual Property I, L.p., Atlanta, GA (US);

Inventors:

Joseph Dahan, Redmond, WA (US);

Michal Cwian, Kirkland, WA (US);

Assignee:

AT&T Intellectual Property I, L.P., Atlanta, GA (US);

Attorney:

Baker & Hostetler LLP

Primary Examiner:

Amancio Gonzalez

Int. Cl.
CPC ...
H04M 11/04 (2006.01); H04W 4/22 (2009.01); H04W 76/00 (2009.01); H04W 36/00 (2009.01); H04W 36/14 (2009.01); H04W 84/12 (2009.01);
U.S. Cl.
CPC ...
H04W 4/22 (2013.01); H04W 36/0011 (2013.01); H04W 76/007 (2013.01); H04W 36/14 (2013.01); H04W 84/12 (2013.01);
Abstract

A system and method for transferring e911 calls between a 3GPP network and a non-3GPP network. The method includes connecting an emergency communication between a mobile device and an emergency service, receiving, from the mobile device, an indication to handoff the communication from a first network to a second network; and transferring the communication from the first network to the second network while maintaining continuity of the communication.

Find Patent Forward Citations

Dahan, Joseph. (2017). E911 call continuity for wifi offload (U.S. Patent No. 9843913). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9843913

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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