This function generates DTMF digits on the call. The user does not need to be a WAV user and the Wave driver does not need to be involved in the call. A line_Generate message is sent to the application when the generation is finished. The only dwDigitMode supported is lineDigitMode_DTMF.
LONG
WINAPI
lineGenerateDigits(
HCALL hCall,
DWORD dwDigitMode,
LPCSTR lpszDigits,
DWORD dwDuration