Patent · US Active

E-911 redirection system and method

US10225766B2 · kind B2 · utility

7Cited by

10References

18Claims

0Family size

Assignees

AT&T Intellectual Property I, L.P. · US
Interwise Ltd. · IL

Inventors

Barry Elia · King George, US
Zahi Kapeluto · Raanana, IL

Key dates

Filing date	Jun 1, 2016
Grant date	Mar 5, 2019
Priority date	—
Expiry date	Sep 28, 2036

Classification

Technology area (CPC H)Electricity
CPC primaryH04W76/50
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A method includes receiving a request to initiate an emergency call, directing, the mobile device to initiate the emergency call using a cellular network, receiving a network not available indication that the emergency call cannot be completed using the cellular network, selecting location information of the mobile device and requesting the emergency call be initiated by a VoIP client on the mobile device using the location information obtained from the selecting step.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.