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lineGetCallStatus
The lineGetCallStatus function returns the current status of the specified call.
LONG lineGetCallStatus(
HCALL hCall,
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| LPLINECALLSTATUS lpCallStatus
|
| );
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|
Parameters
hCall
A handle to the call to be queried. The call state of hCall can be any state.
lpCallStatus
A pointer to a variably sized data structure of type LINECALLSTATUS. Upon successful completion of the request, this structure is filled with
call status information. Prior to calling lineGetCallStatus, the application should set the dwTotalSize field of this structure to indicate the amount of memory available to TAPI
for returning information.
Return Values
Returns zero if the request is successful or a negative error number if an
error has occurred. Possible return values are:
LINEERR_INVALCALLHANDLE, LINEERR_RESOURCEUNAVAIL, LINEERR_INVALPOINTER,
LINEERR_STRUCTURETOOSMALL, LINEERR_NOMEM, LINEERR_UNINITIALIZED,
LINEERR_OPERATIONFAILED, LINEERR_OPERATIONUNAVAIL.
Remarks
The lineGetCallStatus function returns the dynamic status of a call, whereas lineGetCallInfo returns primarily static information about a call. Call status information
includes the current call state, detailed mode information related to the call
while in this state (if any), as well as a list of the available API functions
the application can invoke on the call while the call is in this state. An
application would typically be interested in requesting this information when it
receives notification about a call state change by the LINE_CALLSTATE message.
See Also
LINE_CALLSTATE, LINECALLSTATUS, lineGetCallInfo
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