Today, I have been working on installing and setting up a dedicated Teamspeak3 server. Teamspeak3 is very powerful, accessible and cross-platform compatible (it even has a new android client!) This is kindly hosted by hearthstoneplayers.com ;)
This should be very useful as a means of facilitating Cockatrice based Hearthstone Matches. This should also serve as a great public place to voice chat about Hearthstone.
We currently have 5 "Hearthstone" channels, 5 "Cockatrice" channels, A "General Lobby" and a muted "AFK Channel". This is the initial setup, but I will be adding more channels based on demand/request.