Telephonic communications – Emergency or alarm communications – Central office responsive to emergency call or alarm
Reexamination Certificate
2004-06-22
2008-11-18
Nguyen, Quynh H (Department: 2614)
Telephonic communications
Emergency or alarm communications
Central office responsive to emergency call or alarm
C379S037000, C379S211010, C379S211020, C379S219000, C379S220010, C379S221010, C379S221150, C370S352000, C370S353000, C370S356000
Reexamination Certificate
active
07453990
ABSTRACT:
Emergency calls placed from telephone devices connected to a data network are completed to the appropriate public safety answering point (PSAP). In one embodiment of the present invention, a method for completing an emergency call comprises receiving a call from a device on a data network, the call destined for an emergency service, the device having a physical location, obtaining a telephone number of an emergency call center that handles emergency calls for the physical location of the device, and routing the call to the emergency call center using the telephone number.
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pat
Holder Louis
Welenson Gregory L.
Kim Nicholas J.
Morris LLP Duane
Nguyen Quynh H
Pagnotta Joseph
Vonage Holdings Corp.
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