Skype allowed you to made unlimited calls to landlines or mobile for a fee. It will save you a lot of money when calling from overseas to your home town or calling overseas from your home country.
You can purchase Unlimited Europe, Unlimited World or subscription for the specific country that you want to call. Call Unlimited World with more than 40 countries available on the list for just Euros $4.99 or Pre-Pay Plan starting from less than Euros $1. There are many packages available to for you to choose. You can monitor the number of minutes you use and also see the call history.
Use the Skype Packages on Skype on your computer(Windows & MAC),Skypes enable cordless phone and iPhone.