bellshare is the next generation of internet telephony that combines P2P (peer-to-peer) technology known from file-sharing tools like Napster and Kazaa with traditional internet telephony, making the shortcomings of internet telephony history.
bellshare provides free PC-to-PC calls and huge savings on PC-to-phone and PC-controlled phone-to-phone calls through its P2P network of bellshare provider members.
Works behind nearly any NAT or firewall without configuration by the user.

Platforms: WinME , Windows2000 , WinXP

System requirements: Windows compatible soundcard