Automated microphone switch controlled by a CTI combo

Details Automated microphone switch controlled by a CTI combo Automated microphone switch controlled by a CTI combo

2006-02-21

2006-02-21

Harold, Jefferey F. (Department: 2646)

Telephonic communications

Substation or terminal circuitry

C379S388060

Reexamination Certificate

active

07003092

ABSTRACT:
An apparatus and method are disclosed for connecting a headset microphone alternately to a telephone line and an alternative device. The apparatus includes a device connector for connecting the apparatus to the alternative device, a telephone connector for connecting the apparatus to the telephone line, and a microphone connector for connecting the apparatus to the microphone. The apparatus also includes a switching circuit connected to the device, telephone, and headset connectors. The switching circuit can be used with or included in a CTI module. The switching circuit connects the telephone connector to the headset connector in response to sensing a voltage greater than a predetermined threshold on the telephone line. When the voltage sensed returns to a value less than the predetermined threshold value, the switching circuit reconnects the headset connector to the device connector.

REFERENCES:
patent: 4517413 (1985-05-01), Pavitt, Jr.
patent: 5233646 (1993-08-01), Kuromi
patent: 5655014 (1997-08-01), Walsh et al.
patent: 5822406 (1998-10-01), Brown
patent: 6091812 (2000-07-01), Iglehart et al.

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