Download a easy to use DTMF tool.Free use and distribution. © 2007 Jørn Stadskleiv. 
 

Dual-tone multi-frequency (DTMF) signaling is still in widespread use.
Use this program to signal and testing of DTMF, to enable DTMF to older phones
or to open a Echolink repeater. Just hold the mic in front of the PC speakers and
push the buttons.


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