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DTMF Generate/Detect Demo (UPD) --- Sample code in VB6 or Delphi

This sample demonstrates how to generate/detect DTMF and Gather digits using GatherDigits() or GatherDigitsEx().


Note:
    GatherDigits()-- very usefully function. It implements in the hardware level. It is device-dependent and it only supports in a few voice boards. It will NOT work in the common modem devices.
    GatherDigitsEx() method implement in our control, the same as GatherDigits() but device-independent. It will work in all the devices which support DTMF detection.

Requirement:

  • GatherDigitsEx() need TAPIEx version 2.9.8.x or higher
  • Voice modem, voice board or other telephony devices that supports DTMF

 

 

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