Note that this promotional offer is valid till 2014 only. After that, you will be billed as per these rates from your credit card. Here is the list of 25 countries eligible for the first minute free offer: I am expecting free voice calls to extend next year too considering how Hangouts is suffering from high competition and low usage. This could be a silver lining for Hangouts that has already failed to get traction and is in similar boat as Google Plus. (via Google Support)
