Xact View / iSymphony

Hello, we currently have a hosted PBX from our sip provider, and I am looking to move to an inhouse server. The current PBX is running a freepbx/trixbox install they done on their servers, with a form of the iSymphony panel custom named to their company. What I am wondering is, I see both Xact View and iSymphony listed on the site here, but am trying to determine what the differences are. Is iSymphony the panel direct from iSymphony that you would use running the FreePBX Distro yourself, and Xact View being the branded software built to run on the Xact Appliances? I am having problems figuring out the differences between FreePBX and Xact. Thanks for any info.