lineUnpark

The lineUnpark function retrieves the call parked at the specified address and returns a call handle for it.

LONG lineUnpark(

HLINE hLine,
DWORD dwAddressID,
LPHCALL lphCall,
LPCSTR lpszDestAddress
);

Parameters

hLine

A handle to the open line device on which a call is to be unparked.

dwAddressID

The address on hLine at which the unpark is to be originated.

lphCall

A pointer to the location of type HCALL where the handle to the unparked call is returned. This handle is unrelated to any other handle which might have been previously associated with the retrieved call, such as the handle that might have been associated with the call when it was originally parked. The application will be the initial sole owner of this call.

lpszDestAddress

A pointer to a NULL-terminated character buffer that contains the address where the call is parked. The address is in standard dialable address format.

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_INVALADDRESS, LINEERR_OPERATIONUNAVAIL, LINEERR_INVALADDRESSID, LINEERR_OPERATIONFAILED, LINEERR_INVALLINEHANDLE, LINEERR_RESOURCEUNAVAIL, LINEERR_INVALPOINTER, LINEERR_UNINITIALIZED, LINEERR_NOMEM.

See Also

LINE_REPLY

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