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