4 ms·So voice is an iteration on Phil's Zfone product he was pushing a few years back...by jmspring 14y agoSo voice is an iteration on Phil's Zfone product he was pushing a few years back...moxie 14y agoYes, although they seem to have much better marketing this time around (a good thing).rdl 14y agoThey're also doing some iOS/mobile specific tricks with Apple Push to do the key exchange (at least in the text app)