SysBeep is a 32-bit script function designed for Wonderware® InTouch,™ 6.0 and later. When called, the SysBeep function invokes the default beep as it is defined in the Windows NT Control Panel. SysBeep requires no input parameters and has no return value. It does not require a sound card or additional system software to operate.
Download the Sysbeep.zip file , which contains the files Sysbeep.dll and Sysbeep.wdf.
After you extract the files, copy them to your InTouch directory.