Check out http://roamly.com http://roamly.com Their solution is to make you pay local calling rates when you're abroad. You still get to keep your same phone

Check out http://roamly.com http://roamly.com Their solution is to make you pay local calling rates when you're abroad. You still get to keep your same phone number and you don't even need an internet connection to make it work. To me, that's much better than phone calls over a WiFi or a Data connection.