Jio4GVoice brings high-definition voice and video calling on your existing 2G, 3G, 4G smartphone.Jio4GVoice wonderful initiative to extend calls to any 4G smartphone in India through this app.this app calls going for particular numbers.good voice and video clarity if connects.but this app design not good.contact list options design is not good to other app.Jio4gvoice app work all the time and we can see in the notification menu, but most of the time offline qnd that really is the downside.over all jio4Gvoiec app is good.