Periodic and automatic telephone redialling system and method
Phase accumulation dual tone multiple frequency generator
Phone apparatus having redialing function capable of surely...
Phone number database for a phone
Photo screen scroll graphic user interface
Portable automated dialer with tone completion indicator
Portable automatic dialing unit
Portable telephone
Portable telephone and character input method
Portable telephone set housing having an illuminated switch pane
Portable telephone terminal with toll number retrieval function
Power supply system including ringing voltage reset under low in
Preprogrammed autodialer and related process
Process for transmitting a telephone number of a desired...
Programmable dialer system
Programmable dialler for a mobile telephone
Pulse dialing system for VoIP modem
Push-button telephone dialing device with telephone hold functio