Once you get that part in there, drop me a note if you need beta testers
Our staff would be happy to put it through it's paces and see how it reacts.
Also, not sure if it's part of the program or not, but the ability to run the live chat on a separate server than that of the billing system and then use mysql action hooks to get into the system for details. As it stands we keep our billing system isolated from everything
Given that it's a plugin, it may not be able to do that however.