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This message is sent to the LINEEVENT callback function when the call information about the specified call has changed. TAPI can invoke TSPI_lineGetCallInfo to determine the current call information.
LINE_CALLINFOhtLine = (HTAPILINE) hLineDevice;htCall = (HTAPICALL) hCallDevice;dwMsg = (DWORD) LINE_CALLINFO;dwParam1 = (DWORD) CallInfoState;dwParam2 = (DWORD) 0;dwParam3 = (DWORD) 0;
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_CALLINFO. - dwParam1
Specifies the call information item that has changed. This parameter can be a combination of the LINECALLINFOSTATE_ constants. - dwParam2
Not used. - dwParam3
Not used.
Remarks
This message is sent to TAPI whenever the event occurs and TAPI has the line open. However, no LINE_CALLINFO messages are sent for a call after the call has entered the idle state.
Requirements
OS Versions: Windows CE 3.0 and later.
Header: Tapi.h.
See Also
LINEEVENT | TSPI_lineGetCallInfo
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