After downloading and installing the Rt Voice dialer, open the application and follow the simple wizard to set-up the Rt Voice dialer:
VoIP Calls via Wifi, 3G / 4G, edge or UMTS.
You will just need to select the Contact you want to call or enter the number manually in the DialPad. The Rt Voice dialer will take it from here.
The same Rt Voice dialer low rates for international calling apply if you use the Rt Voice dialer.
If a data connection is available the application might require a minimum amount of data traffic to update from time to time.
•Call from Android phone native Contacts