توضیحات:

Selectfone pro Dialer is a mobile app for Android. This Dialer helps users to make international calls easier from an Android phone. The application is free to download.
After downloading and installing the Selectfone pro, open the application and follow the simple wizard to set-up the selectfone pro Dialer:
VoIP Calls via Wifi, 3G / 4G, edge or UMTS.