Gamevoice. But I will bet that you will be confused with the german chatter, hehe
I also talk some times with "Wehr" from the Windhund in our GV Server in english. Instal GV if you have it. Looking forword for some english chatter :P
The IP: 194.25.83.232:59110
The password: Marder
BTW. do u use ICQ or MSN Messenger?