Hey guys, I made a channel on C3 for people playing coop on A.V.A. I'm hopeing to be able to play VOIP coop this Tuesday! Anyhow, the more users the better!
Enjoy! C3 - The Best Voice Chat For Gamers
If you don't already know, C3 is a really good app put out by ijji that is similar to xFire, but (I think) a ton better. Check it out! (just google "ijji C3")