PHONE_DEVSPECIFIC

The TSPI PHONE_DEVSPECIFIC message is sent to the PHONEEVENT callback function to notify TAPI about device-specific events occurring at the phone. The meaning of the message and the interpretation of the parameters is implementation defined.

PHONE_DEVSPECIFIC
htPhone = (HTAPIPHONE) hPhoneDevice;
dwMsg = (DWORD) PHONE_DEVSPECIFIC;
dwParam1 = (DWORD) DeviceData1;
dwParam2 = (DWORD) DeviceData2;
dwParam3 = (DWORD) DeviceData3;

Parameters

htPhone

The TAPI opaque object handle to the phone device.

dwMsg

The value PHONE_DEVSPECIFIC.

dwParam1

Device specific.

dwParam2

Device specific.

dwParam3

Device specific.

Remarks

TAPI sends the PHONE_DEVSPECIFIC message to applications in response to receiving this message from a service provider. The htPhone is translated to the appropriate hPhone as the hDevice parameter at the TAPI level. The dwParam1, dwParam2, and dwParam3 parameters are passed through unmodified.

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

PHONEEVENT, TSPI_phoneDevSpecific