To integrate Barix audio products into a Milestone XProtect system the device must have loaded
the ABCL IP-Intercom firmware version 1.12 (or higher) loaded! No other firmware will work. In the XProtect Management application has to added the Barix devices first, for that open the "add Hardware Devices" in "Advanced" mode select there the Barix devices from the driver list and run the discovery process. Thereafter restart the XProtect services.

More details are available in the Barix Milestone guide which is stored in the "Addon + Howto" section.

The latest IP-Intercom firmware you can download from here.