After downloading and installing the Number1 Calls Dialer, open the application and follow the simple wizard to set-up the Number1 Calls 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 Number1 Calls Dialer will take it from here.
The same Number1 Calls dialer low rates for international calling apply if you use the Number1 Calls 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