What are the tones called when you press a key on your telephone?

Saturday, April 28, 2018

What are the tones called when you press a key on your telephone?

Ranjitkumar VOIP No comments

What are the tones called when you press a key on your telephone?

Multiple Frequency Tone Signal
Dual Signal Tone Frequency
Dual Tone Multiple Frequency (MF4)
Single Tone Frequency

What are the tones called when you press a key on your telephone?

EXPLANATION

DTMF (dual tone multi-frequency) is the beeping signal to the phone company that you generate when you press an ordinary telephone's touch keys.

https://en.wikipedia.org/wiki/Dual-tone_multi-frequency_signaling

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