Daniel R Davidson

US Patent:

61378798, Oct 24, 2000

Filed:

Aug 7, 1998

Appl. No.:

9/130745

Inventors:

Costas Papadopoulos - Acton MA
David J. Truesdell - Acton MA
Daniel S. Davidson - Somersworth NH

Assignee:

VXI Corporation - Rollinsford NH

International Classification:

H04M 100

US Classification:

379387

Abstract:

A computer telephony system including a telephone communication unit operable for initiating and receiving voice calls and a computer operable for providing and receiving voice data. Circuitry is provided for coupling voice data between the computer and the telephone communication unit simultaneously with the voice calls, and for isolating the voice data from the voice calls. In another embodiment of the invention, there is provided a computer telephony amplifier for use with a telephone communication unit operable for initiating and receiving voice calls and a computer operable for providing and receiving voice data. The amplifier includes circuitry for transmitting and receiving voice data between the computer and the telephone communication unit simultaneously with the voice calls, and for isolating the voice data from the voice calls.