Abbreviated and enhanced dialing apparatus and methods particula
Access code dialing apparatus and method
Acoustic coupling product label and method of using
Acoustic signal transfer device
Active digit cancelling parallel dialer
Adjustable-period dual-tone multifrequency generator
Alphabetic telephone dialer apparatus and method
ANI auto dialer with carrier current interface
Apparatus and method for accessing and maintaining a caller-ID b
Apparatus and method for dialing out of local area telephone cal
Apparatus and method for dialing out of local area telephone...
Apparatus and method for finding a called party over a...
Apparatus and method for inputting alphabet characters on...
Apparatus and method for recording incoming call information
Apparatus and method for supervising derived channel communicati
Apparatus and method to insert the default local area code...
Apparatus for control of storing information into dial memories
Apparatus for driving a service function unit of a multi-functio
Apparatus for enabling a telephone user to obtain telephone...
Apparatus for prestored bypass dialing