US 4,052,569 A · Emergency call answering system

Abstract

The 911 Emergency Call Answering System provides specialized console controlled emergency call handling capabilities for 911 answer locations. Answer, conference and transfer capabilities are incorporated in each position. As calls are received by the system they are automatically distributed to the emergency operator positions. A 911 call will appear at only one emergency operator position. Calls are allotted to emergency operators on a sequential basis. The 911 Emergency Call Answering System provides emergency line outputs connected directly with the emergency response agencies. These outputs are accessed on an individual basis from each 911 emergency operator position by pressing the discrete key for each emergency response agency. All calls arriving at the 911 emergency operator positions are under the control of those positions.

Claims1

Dependent claims

In an emergency call answering system having a plurality of incoming trunk circuits connected through a distribution switch matrix to a plurality of answering position circuits:

the improvement comprising a position console selectively connectable to a line transfer circuit through a selectable switch connectable to the answering position circuit and through a transfer line and transfer switch matrix to a selected emergency response agency, said single switch establishing a signal and audio circuit through said switch matrices from the incoming trunk circuit to said transfer line circuit to select and ring on a line to an emergency response agency so that upon answer by an emergency response agency it is connected directly to the incoming trunk circuit initiating the call and to the console operator.

Dependencies are inferred from the claim text.

Emergency call answering system

Life of this patent

Emergency call answering system

Life of this patent

Abstract

Claims1