* The Call Quality is not Depends on your internet mobile supplier or any Wifi nearby .
* The app syncs with your mobile contact list.
* Make calls with LOCAL sound quality
To make the most of it, cost-effective, you need to buy a local provider sim card and then use the application.
If you having already a local provider SIM this is no problem for you, you can use the application and enjoy.
The Application is downloaded for free, for outgoing calls you need to pay by transferring money through Paypall account.