in-game voice chat

Im still in act 1 but i played with few groups and usualy everyone has diffrent playstyle...
many skills combo well and samebuild diffrent aproach may variy depeanding on current zone sometime maby need to go back to town or clear zone second time.
Stoping each time in party play to write while making sure its safe might be better with voice chat and since lvl vastly change around each character is very easy to join party and leave and do soemtihng else in this game vocie chat would help