http://dailynews.att.net/cgi-bin/news?e=pu..._061013&src=abc
"You call 712-858-8883, and a recorded voice answers, inviting you to hear brief instructions in English, Spanish or Chinese. Then you dial 011, the country code (51 for Peru, for instance, or 359 for Bulgaria) and the local number. If someone is there and awake to answer at the other end, you can talk to the other side of the planet -- for whatever it cost you to make a call to Iowa."
I don't know how long the link will work, but you get the gist of it. FYI, my U-M Liechtenstein cell phone number was not recognized.