PHONE_DEVSPECIFIC (TSPI)
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4/8/2010
This 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.
Syntax
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
Header | tapi.h |
Windows Embedded CE | Windows CE 3.0 and later |
Windows Mobile | Windows Mobile Version 5.0 and later |