It's essentially a modified asterix system. Fonality also manages the development of Trixbox, which is the largest distribution of Asterix on the market. Looking forward to seeing it in action!
Really amazing features and I like the fact that we can use almost any supported phone provider. (Cisco, Polycom, Grandstream, Aastra)
Fonality PBXtra - http://pbxtra.fonality.com/