what do u understand by dtmf..
Answers
Answered by
7
Answer:
The abbreviation DTMF stands for Dual Tone Multiple-Frequency, also called Touch Tone. ... The tones you hear when pressing buttons on a phone, it DTMF. Every click sends two tones on two different frequencies
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Answered by
5
Explanation:
The abbreviation DTMF stands for Dual Tone Multiple Frequency.
It is also called Touch Tone.
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