so is it possible to make voice communication is same manner .. like i have a transervier or xbee module .. so those modules has some range ...so if we have multiple mudules then can we voice communicate in that range...?... if it works pls help me sir in this project . like wat ,modules r to be used for range of 50 mts ... and if u have any programs for that .. and what will be the ckt design and all sir pls...