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lineRemoveFromConference
The lineRemoveFromConference function removes the specified call from the conference call to which it
currently belongs. The remaining calls in the conference call are unaffected.
LONG lineRemoveFromConference(
Parameters
hCall
A handle to the call to be removed from the conference. The application must
be an owner of this call. Call state of hCall must be conferenced.
Return Values
Returns a positive request ID if the function will be completed
asynchronously, or a negative error number if an error has occurred. The dwParam2 parameter of the corresponding LINE_REPLY message is zero if the function is successful or it is a negative error
number if an error has occurred. Possible return values are:
LINEERR_INVALCALLHANDLE, LINEERR_OPERATIONUNAVAIL, LINEERR_INVALCALLSTATE,
LINEERR_OPERATIONFAILED, LINEERR_NOMEM, LINEERR_RESOURCEUNAVAIL, LINEERR_NOTOWNER,
LINEERR_UNINITIALIZED.
Remarks
This operation removes a party that currently belongs to a conference call.
After the call has been successfully removed, it may be possible to further
manipulate it using its handle. The availability of this operation and its result
are likely to be limited in many implementations. For example, in many
implementations, only the most recently added party may be removed from a conference, and
the removed call may be automatically dropped (becomes idle). Consult the
line's device capabilities to determine the available effects of removing a call
from a conference.
If the removal of a participant from a conference is supported, the
participant call, after it is removed from the conference, will enter the call-state
listed in the dwRemoveFromConfState field in LINEADDRESSCAPS.
See Also
LINE_REPLY, LINEADDRESSCAPS
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