The Premium package will be available week beginning 21st May. It includes unlimited free calls to landlines in over 40 countries as well as mobile phones in certain countries including the USA. It also includes free calls to other SIP services. The monthly cost is £7.99  €11.99  $15.99 with no minimum contract term. You will never exceed this amount as all non-free (chargeable) calls are automatically routed through your normal GSM provider. All calls are voice promped ensuring you know which calls are free and which ones are routed through GSM. For a list of the countries that you can call for free please click here.