Platform SDK: TAPI

LINE_MONITORDIGITS

The TSPI LINE_MONITORDIGITS message is sent to the LINEEVENT callback function whenever a digit is detected while digit monitoring is in progress. The sending of this message is controlled by the TSPI_lineMonitorDigits function.

LINE_MONITORDIGITS
htLine = (HTAPILINE) hLineDevice;
htCall = (HTAPICALL) hCallDevice;
dwMsg = (DWORD) LINE_MONITORDIGITS;
dwParam1 = (DWORD) chDigit;
dwParam2 = (DWORD) LineDigitMode;
dwParam3 = (DWORD) dwTickCount;

Parameters

htLine
The TAPI opaque object handle to the line device.
htCall
The TAPI opaque object handle to the call device.
dwMsg
The value LINE_MONITORDIGITS.
dwParam1
The low-order byte contains the last digit received in ASCII.
dwParam2
Specifies the digit mode that was detected. This parameter can be one of the LINEDIGITMODE_ constants:
dwParam3
Service providers shall insert into dwParam3 the "tick count" (number of milliseconds since Windows started), obtained from GetTickCount, at which the specified digit was detected.

Remarks

This message is sent only when digit monitoring is enabled.

Requirements

  Windows NT/2000: Requires Windows NT 4.0 SP3 or later.
  Windows 95/98: Requires Windows 95 or later.
  Version: Requires TAPI 2.0 or later.
  Header: Declared in Tapi.h.

See Also

LINEEVENT, TSPI_lineMonitorDigits