Make cheap international phone calls and SMS
Your contacts don't need to use the app, they can call you from any phone
All you need is a Wifi connection.
VOIP uses your WiFi to make and receive calls and SMS. It does not use your minutes.
Install VOIP on your phone or tablet and start calling and texting.
This App is based on CSipSimple and is licensed under GNU GPL v3. More information in the App.