How to make FREE Voice calls from your 2G / 3G / 4G mobile handset using JioFi

Detailed information on how to make FREE Voice calls from your 2G / 3G / 4G smartphone using JioFi. Disclaimer : We are not responsible for anything mentioned in the video. This video is just for awareness. No-one can claim anything on us if they are charged with bill or cannot use the services.