Definition of Touch tone:
(of a telephone) having push buttons and generating tones to dial rather than pulses.
Generic term for push-button telephone that uses dual tone multi frequency (DTMF) signaling instead of the older pulse dialing.
A touch-tone telephone.
How to use Touch tone in a sentence?
- Back in the 1940s, when the area code system was designed, there was no such thing as a touch-tone phone - all telephones operated via rotary dialing pulse operation.
Meaning of Touch tone & Touch tone Definition