| Platform SDK: TAPI | 
The TAPI_OBJECT_TYPE enum is used to indicate the type of TAPI object involved in an event.
typedef enum TAPI_OBJECT_TYPE
{
  TOT_ADDRESS,
  TOT_CALL,
  TOT_CALLHUB,
  TOT_NONE,
  TOT_TAPI,
  TOT_TERMINAL
}  TAPI_OBJECT_TYPE;
  Windows NT/2000: Requires Windows 2000.
  Version: Requires TAPI 3.0 or later.
  Header: Declared in Tapi3.h.