Telephony development Control, Extensition of Microsoft TAPI2 
0,support multi-lines, multi-calls per line, help you build you IVR system in few minutes. Support Win98/Me/Nt/2K/XP Operating system .
Features: TTS, Speech Recognition, Conference, Transfer, Detect Caller ID, Digital Record/ Playback,Detect DTMF key press tones,Generate DTMF tones. VB/VB.NET & Delphi &C++Builder &Visual C++& Visual Foxpro Samples are included.