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NF:tapi.lineUnhold |
lineUnhold function (tapi.h) |
The lineUnhold function retrieves the specified held call. |
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tapi2\lineunhold.htm |
tapi3 |
c32d8d3a-f54c-411a-ae86-4aecd6dce456 |
12/05/2018 |
_tapi2_lineunhold, lineUnhold, lineUnhold function [TAPI 2.2], tapi/lineUnhold, tapi2.lineunhold |
tapi.h |
Windows |
Tapi32.lib |
Tapi32.dll |
Windows |
19H1 |
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The lineUnhold function retrieves the specified held call.
Handle to the call to be retrieved. The application must be an owner of this call. The call state of hCall must be onHold, onHoldPendingTransfer, or onHoldPendingConference.
Returns a positive request identifier if the function is completed asynchronously, or a negative error number if an error occurs. The dwParam2 parameter of the corresponding LINE_REPLY message is zero if the function succeeds or it is a negative error number if an error occurs. Possible return values are:
LINEERR_INVALCALLHANDLE, LINEERR_OPERATIONUNAVAIL, LINEERR_INVALCALLSTATE, LINEERR_OPERATIONFAILED, LINEERR_NOMEM, LINEERR_RESOURCEUNAVAIL, LINEERR_NOTOWNER, LINEERR_UNINITIALIZED.