Arbat Phone Card
The Arbat phone card offers extremely low calling rates from Russia to many destinations, with local access in Moscow, St. Petersburg, and other major Russian cities. And it's a Permanent PIN card with the handy Refill option. Add to this the fact that the Arbat prepaid phone card has no connection/maintenance fees and excellent connectivity, and you can see why it's so popular!
Detail information: Arbat Phone Card