http://www.voxofon.com/fully working cross-platform Voip client works great on BB, there are calls to Skype, Sip, Gtalk subscribers. Register from the device, because when you try to log in from the computer - Our Russia is supported! Prices are much lower and Skype and Sip! After installation, the item "Call or Text via Voxofon" appeared in a standard dialer .. And by the way, I put it to the heap and to Andryushka, because prices .. (especially for intercity within Russia very much!), but in the Russian Gley it is not!
Hereposted in more detail ...