Method and system for obtaining emergency caller location

Details Method and system for obtaining emergency caller location Method and system for obtaining emergency caller location

2007-09-18

2007-09-18

Perez-Gutierrez, Rafael (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S456200, C455S456300, C455S456500, C455S456600, C455S554100, C379S230000, C379S207030, C379S219000

Reexamination Certificate

active

11182219

ABSTRACT:
Methods and systems for obtaining the location of a caller during an emergency or other telephone call. Before or during a call, a phone system can obtain from one or more sources a subscriber access line identity associated with a subscriber location record that includes a subscriber access line identity attribute and a subscriber location attribute. A phone system can send a query that includes the subscriber access line identity to a subscriber location query system that returns a subscriber location record or a subscriber location to the phone system. The phone system can then display the caller location information to a phone system, an agent or operator so that emergency services can be quickly and accurately dispatched. Using similar procedure and a memory, phone systems can also determine if a subscriber phone has or is changing location. Methods for testing the emergency call capabilities of a subscriber access line.

REFERENCES:
patent: 6130941 (2000-10-01), Nimmagadda et al.
patent: 6600914 (2003-07-01), Uhlik et al.
patent: 2003/0001774 (2003-01-01), Harris
patent: 2003/0211839 (2003-11-01), Baum et al.
patent: 2005/0026650 (2005-02-01), Russell
patent: 2005/0083911 (2005-04-01), Grabelsky et al.
patent: 2006/0135087 (2006-06-01), Azzaro

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