1. touch-tone - Noun
2. touch-tone - Adjective
touch-tone (not comparable)
Relating to a type of telephone with buttons, each of which produces a tone which corresponds to the relevant digit.
A telephone with buttons that produce tones, one for each digit.
a teleconference service for touch-tones only
A tone produced by such a telephone.
software to decode touch-tones
Tried to call, or at least beep the lord, but didn't have a touch-tone. Common (rapper)
A break-through new technology was the introduction of Touch-Tone signaling using push-button telephones by American Telephone & Telegraph Company (AT&T) in 1963. Source: Internet
DTMF was known throughout the Bell System by the trademark Touch-Tone. Source: Internet
Other vendors of compatible telephone equipment called the Touch-Tone feature tone dialing or DTMF, or used their other trade names such as Digitone by Northern Electric Company in Canada. Source: Internet
In 2013, the 50th anniversary of the introduction of the touch-tone phone, the answers to those questions remain palpable at the press of a button. Source: Internet
You can then plug your existing touch-tone telephone into the adapter and use it the same way you would if it were plugged into the wall through a phone jack. Source: Internet