Question

What is dtmf technology?

Answer 1

Answer:

DTMF (dual tone multi frequency) is the signal to the phone company that you generate when you press an ordinary telephone's touch keys. In the United States and perhaps elsewhere, it's known as "Touchtone" phone (formerly a registered trademark of AT&T). DTMF has generally replaced loop disconnect ("pulse") dialling

Explanation:

dtmf

Answer 2

Answer:

Hlo mate.......

DTMF (dual tone multi frequency) is the signal to the phone company that you generate when you press an ordinary telephone's touch keys. In the United States and perhaps elsewhere, it's known as "Touchtone" phone (formerly a registered trademark of AT&T). DTMFhas generally replaced loop disconnect ("pulse") dialling.

Hope this will help u...

Mark my answer....

I need mark....