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.
Note: Alpha and Beta versions of software may contain bugs and cause your PC system to become unstable. It is recommended not to use Alpha or Beta versions of software on production systems. FreewareFiles.com can not be held liable for possible issues that arise from the use of these software products.
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