DTMF

Definitions

Computing

  • noun a method of dialling in a telephone system in which each number on the telephone handset generates two tones. Each row and column of the telephone number grid generates a different tone, so each number will send one tone for the corresponding column and another for the row.
  • acronym forpulse-dialling
  • noun telephone dialling that dials a telephone number by sending a series of pulses along the line

Electronics

  • acronym fordual-tone multifrequency
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