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:
Mar. 05, 2019

Filed:

Feb. 25, 2016
Applicant:

Avaya Inc., Santa Clara, CA (US);

Inventors:

Manish Chatterjee, Calcutta, IN;

Purnendu Dhal, Rourkela, IN;

Harsh V. Mendiratta, East Brunswick, NJ (US);

Assignee:

Avaya Inc., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 3/51 (2006.01); H04L 29/06 (2006.01); H04M 3/523 (2006.01); H04L 29/08 (2006.01); H04L 12/46 (2006.01);
U.S. Cl.
CPC ...
H04M 3/5116 (2013.01); H04L 12/4679 (2013.01); H04L 65/1006 (2013.01); H04L 69/326 (2013.01); H04M 3/5231 (2013.01); H04L 12/4641 (2013.01);
Abstract

A fingerprint is received from a communication endpoint. The fingerprint is based on a hardware identifier of the communication endpoint. For example the fingerprint may be based on a Media Access Control (MAC) address of the communication endpoint. A request for an emergency call from the communication endpoint is received that also includes the fingerprint. For instance, a user may initiate a 911 call from the communication endpoint. The emergency call is established. After the emergency call is disconnected, a request for an emergency call back is received. For example, if the emergency call prematurely disconnected, the emergency call back is initiated. The request for the emergency call back is routed to the communication endpoint based on the fingerprint to ensure that the emergency call is properly completed.


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