Line-based public safety answering point

Details Line-based public safety answering point Line-based public safety answering point

1992-06-05

1994-05-10

Kuntz, Curtis

Telephonic communications

Emergency or alarm communications

Central office responsive to emergency call or alarm

379 37, 379 49, 379 94, 379201, H04M 1104, H04M 1100, H04M 342

Patent

active

053115694

ABSTRACT:
A line-based 911 system and method that completes an emergency call from a telephone to a PSAP comprising a multiplicity of operator stations connected by individual lines to a telephone switching system. An emergency call is routed to the termination ports of the switching system associated with a PSAP. Each of the termination ports is connected to one of the multiplicity of operator stations via its associated line, thereby establishing a path from the telephone to the operator station, the CPN of the calling telephone is delivered to the selected operator station and the operator station obtains location information of the telephone in accordance with the CPN, which is then displayed.

REFERENCES:
patent: 3881060 (1975-04-01), Connell et al.
patent: 4769834 (1988-09-01), Billinger et al.
patent: 4860342 (1989-08-01), Danner
patent: 4893325 (1990-01-01), Pankonen et al.
patent: 4942598 (1990-07-01), Davis
patent: 5008930 (1991-04-01), Gawrys et al.
patent: 5033076 (1991-07-01), Jones et al.
patent: 5077788 (1991-12-01), Cook et al.
patent: 5109399 (1992-04-01), Thompson
The article, "E911 Public Safety Answering Point: Interface Between a 1/1AESS.TM. Switch and Customer Premises Equipment", pp. 2-12, Nov. 1987.

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