Systems and methods for processing emergency calls through a...

Details Systems and methods for processing emergency calls through a... Systems and methods for processing emergency calls through a...

2006-11-07

2006-11-07

Woo, Stella (Department: 2614)

Telephonic communications

Emergency or alarm communications

Central office responsive to emergency call or alarm

Reexamination Certificate

active

07133499

ABSTRACT:
A method of making an emergency call that includes dialing a three-digit emergency number on a communication device, translating the three-digit emergency number into an emergency service number at an interface, where the interface uses the emergency service number to initiate the emergency call with a public switched telephone network, and sending the emergency call in the public switched telephone network to an emergency selective router, where the emergency selective router routes the emergency call to a public safety answering point. Also, a system to make an emergency call that includes a communication device having an input to dial a three-digit emergency number, an interface to translate the three-digit emergency number into an emergency service number used to initiate an emergency call with a public switched telephone network, and an emergency selective router that receives the emergency call and routes it to a public safety answering point.

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patent: 2001/0028711 (2001-10-01), Antonucci et al.
patent: 2004/0057425 (2004-03-01), Brouwer et al.
patent: 2005/0213716 (2005-09-01), Zhu et al.

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