You can use the DLClose() routine to disconnect from an IP Office system.

Parameters

pbxh: A number used to identify the system. This user-supplied parameter is used to connect to DevLink in the call to DLOpen().

Return value

This routine may return either 0 (DEVLINK_SUCCESS) or 1 (DEVLINK_UNSPECIFIEDFAIL) in the event of an error.

C / C++

LONG PASCAL DLClose( LONG pbxh );

Delphi

function DLClose(pbxh: LongInt): LongInt; stdcall;