Use skype then, thats what i do when i play CoD4 go on skype and keep inviting friends into my convo then we talk while playing.
Teamspeak is better
Unlimited people.
Ever heard of Google
---------Respect List----------
-Simply-Own-
Ad litteram
AVGN
Mouzie
------MY Hacks/MODS---------
Unlimited Explosives REZ Mod
Anti-kick REZ MOD
Troll Face The Game