A free program for Android, by The Photo Apps.

Wifi Calling – Free Voice Calls is an application that can help you make free voice calls over the Internet using your WiFi connection. There is no need for any other hardware or software. All you need is a WiFi connection and a smartphone or tablet.

This is a free application that is easy to use. To start using it, you just need to install it and you are ready to start making calls. There is no need to do anything else.

To make a call, you just need to choose a phone number. The rest is handled by the application. It is easy to use and it works with all WiFi connections.