this is a Free application that describes in detail how to use the official JIO4GVoice. Don't let this opportunies slip from your fingers !! JIO4GVoice allows the use to make HD voice and HD video calls to any landline or mobile number anywhere in the world. You'll find tips and tricks and amazing solution in this application, you will find a way to get unlimited data with unlimited calls using Jio4GVoice. Jio4GVoice brings TRUE 4G/ VoLTE high-definition voice and video calling on your existing 2G, 3G, 4G smartphone. You may use Jio4GVoice with a Jio SIM either in the phone or in a JioFi connected to your phone. notice : This app is an unofficial JIO4GVoice , its a Guide only.