First and foremost look into your pockets. What is your budget? How much are you ready to spend? What is your usage? How many calls do you make in a month overseas? If you do have a lot of friends and family across the globe then the Free calls to India comes as a boon to you and your family too. Take a hard look at your previous bills and judge how much you spend every month. Now evaluate the difference between the Cheap International calls provider or VoIP provider bill and your phone bill.