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vsrpkumar



Joined: 26 Mar 2006
Posts: 73
Post02 Jun 2006 16:25   Hi
Hi
What is DTMF.Can anyone tell me .What it is
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janath



Joined: 21 May 2006
Posts: 33
Helped: 4
Post03 Jun 2006 2:07   Re: Hi
It is Dual tone multi frequency:

IN touchtone phone we send a number using two comination of frequencies.
Also see

http://nemesis.lonestar.org/reference/telecom/signaling/dtmf.html
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