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.

Date of Patent:
Oct. 16, 2018

Filed:

Jul. 21, 2017
Applicants:

Donald L. Mitchell, Jr., Bellevue, WA (US);

Roger S. Marshall, Auburn, WA (US);

Victor C. Burton, Bellevue, WA (US);

Matthew B. Davis, St. Johnsbury, VT (US);

Jeffrey T. Martin, Longmont, CO (US);

Inventors:

Donald L. Mitchell, Jr., Bellevue, WA (US);

Roger S. Marshall, Auburn, WA (US);

Victor C. Burton, Bellevue, WA (US);

Matthew B. Davis, St. Johnsbury, VT (US);

Jeffrey T. Martin, Longmont, CO (US);

Assignee:

TELECOMMUNICATION SYSTEMS, INC., Annapolis, MD (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 11/04 (2006.01); H04W 4/90 (2018.01); H04W 4/02 (2018.01);
U.S. Cl.
CPC ...
H04W 4/90 (2018.02); H04W 4/023 (2013.01);
Abstract

An emergency gateway can receive carrier location information from a carrier location server for an end-user device that initiated an emergency services call. The emergency gateway can also receive supplemental location information for the end-user device from a supplemental location server and select one of the carrier location information and the supplemental location information. The emergency gateway can generate routing information for the emergency services call based on the selected location information, wherein the routing information identifies a given Public Safety Answering Point (PSAP) for the emergency services call. Further, the emergency gateway can route the emergency services call to the given PSAP based on the routing information.


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