Hey guys jio4Gvoice is a software who provide unlimited call this is a very popular software at this time .I am use this app for 6 to 7 month this is the very good software for free calling. But there is a problem with jii4gvoice it work only the jio network . At this time you can we use jio router for making free call 2G or 3g phones. You can install this app 2G three G phone and connect with your router and make free calls . Friend this app is my favourite, if you want to make free calls then install this trust me friend it’s a very good software for free calling . This app layout is good and function and design is very good this app concept is a fabulous for . free calling