If you would have read the mod description you would have clearly known. I even put it in big bold text "You will need to purchase cometchat: http://cometchat.com (very inexpensive and worth it!) and then use this mod to integrate it with Dolphin."
Below is the legacy version of the Boonex site, maintained for Dolphin.Pro 7.x support.
The new Dolphin solution is powered by UNA Community Management System.