首页 > Term: Dual-tone multifrequency (DTMF)
Dual-tone multifrequency (DTMF)
A method used by the telephone system to recognise the keys pressed when dialling. Pressing a key on the phone's keypad generates two simultaneous tones, which are decoded by the exchange to determine which key was pressed.
0
创建者
- Harry8L
- 100% positive feedback
(London, United Kingdom)