You can add an international calling plan to your Unlimited Digital Voice service and make calls around the world. The following international calling plans are available for an additional fee: World Plans 300 and 500. World Plan 300/500 includes a monthly recurring charge and a block of 300/500 minutes of international direct-dialed calling to the countries specified in the rate file below.
If you don't have an international calling plan, you'll be charged a per-minute rate. The rate depends on which country you're calling and if you're calling a landline or mobile phone: Standard International Rates