PhoneTone Decoder Control is not an end-user application program but a programming component for beginning to advanced developers.
PhoneTone Decoder is ActiveX Control, so it works with most Windows software development environments. With development tools like Visual C#, Visual Basic.NET, Visual Basic, Visual foxpro, Delphi, C++ Builder, Access ,Visual C++ and others that support ActiveX controls.

Written in C++ using ATL Active Template Library, PhoneTone Decoder is lightweight with no dependencies and can be used on Windows 98, Windows ME, Windows NT 4, Windows 2000 and Windows XP.

Component Features
Decode DTMF from wave file or wave stream or wave/in devices.
Monitor Custom Tones from ...
Decode FSK Caller-ID from...
Decode TTY/TDD Baudot code from...
Detect the custom tone signal from...
Convert wave-form to spectrum from...
...
Demo samples for VB and Delphi, VC are available.