Computer-telephone interface method and apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 22, 1989
Grant Date -
N/A
app pub date -
Apr 9, 1987
filing date -
Apr 9, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for a computer-telephone interface system by which a general purpose personal computer is enabled to perform telephone functions such as dialing, answering ringing lines, and placing lines on hold without the need for a separate telephone instrument. The interface system is responsive to digital signals received from a microprocessor in the computer to implement the signalling functions utilized in a standard switched telephone network. The interface system performs dialing sequences entered either from the keyboard of the computer, a location in the computer memory, a location on a display screen associated with the computer or a location specified by a cursor used in association with the keyboard. Operation of the interface system does not interfere with the concurrent operation by the computer of an applications program.
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