If you use hangouts from android to make phone calls to other countries, get good news: the first minute is free for all calls made during the remainder of 2014, these 25 countries: Australia, Belgium, Brazil, Canada, China, Dominican Republic France, Germany, India, Indonesia, Ireland, Italy, Japan, Mexico, Netherlands, Norway, Peru, Poland, Russia, South Korea, Spain, Sweden, Switzerland, United Kingdom and United States.
The conditions, explained in this support page , where they explain the function call is not available in all countries (in Mexico and Argentina, for example), but you can receive calls from there as to receive only must have a common phone. The steps to follow are: Reload the balance for calls from your Google account. Calling a single number (does not work with multiple calls at a time) from one of the 25 countries listed, subject to limitations on use and misuse (you can hang if many daily calls are detected).
It is important to note that to enter this promotion will see on the screen the message "The first minute is free" if we do not see such a message, the call will be charged from the beginning.
To make the call, go into the third icon from the menu, where the keypad is. Should not see it in your application, you may call the function is not available in your country.