The Incredible PBX: Free Skype, free worldwide SIP, free U.S./Canada PSTN plus rock-solid Asterisk security using the new Zero Internet Footprint™ design.
In addition to all of the Orgasmatron magic including free calling in the U.S. and Canada courtesy of Google Voice, you now get some terrific new features: randomly generated passwords for all of your extensions, free Skype support and a new backup module both of which we’ll introduce over the next few weeks. And CallerID Superfecta now is preconfigured to work out of the box with support from dozens of providers worldwide.