Call of Duty 4: Modern Warfare/Modern Warfare Reflex?

have to have same system there are seperate servers and theres wii speak i hear it works havent try. the others you need hacking skills that you proaply dont have cause if you did you`d wouldnt be asking this question & there are wii gameing clans i my self was # 1 everytime every once in a bluemoon i would get unlucky not exagerateing either.