After downloading and installing the Open Tel dialer, open the application and follow the simple wizard to set-up the Open Tel dialer:
You will just need to select the Contact you want to call or enter the number manually in the DialPad. The Open Tel dialer will take it from here.
The same Open Tel dialer low rates for international calling apply if you use the Open Tel 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