Definition, Meaning & Synonyms

touch-tone

noun
/ˈtʌtʃ toʊn/
Definition
A system of telecommunications that uses a series of tones to represent each number on a phone keypad.
Examples
  • She dialed the phone using the touch-tone keypad.
  • Many modern phones now use touch-tone technology.
  • The automated service requires you to respond using touch-tone inputs.
Meaning
Touch-tone refers to the signaling system used in dial-tone telephones. Instead of rotary dialing, touch-tone phones allow users to press buttons that generate specific tones for each number, making it easier and faster to place calls.
Synonyms
  • DTMF (Dual-Tone Multi-Frequency)
  • Keypad dialing
  • Button dialing