Wiktionary
touch-tones
n. (touch-tone English)
Usage examples of "touch-tones".
There are a couple of clicks, a sequence of faraway noises like touch-tones and a faint, barely audible echo: '.
In Saudi Arabia, they disabled touch-tones upon connection so our users were unable to place calls when the callback arrived - so we instituted a sophisticated voice recognition system - customer service reps who listened to our customers speaking the number and keyed it into the system.