Zfone is a new secure VoIP phone software product which lets you make secure encrypted phone calls over the Internet.
Zfone is not itself a VoIP client, but lets you make secure calls with your existing VoIP client, by filtering, encrypting and decrypting all your VoIP media packets as they pass in and out of your computer. You can use a variety of different software VoIP clients to make a VoIP call.
It’s as if Zfone were a “bump on the wire”, sitting between the VoIP client and the Internet.
Zfone currently works with many VOIP service providers including X-Lite, Gizmo and SJphone and others like Free World Dialup, iptel.org, and SIPphone. However it doesnt support Skype, since Skype uses a closed proprietary protocol.
It now supports ICE and works better with Asterisk PBX systems (the new version of Asterisk that will have ZRTP support), and works with other non-SIP VoIP clients such as GoogleTalk.
Zfone has been tested with these VoIP clients: X-Lite, Gizmo Project, XMeeting, OpenWengo, Google Talk VoIP client, and SJphone.
There’s no online HELP with this release of the Zfone beta software,
so study the home page of the software carefully for instructions on installing and running it:
http://zfoneproject.com/getstarted.html
You can download it from here:
http://zfoneproject.com/EN/registration/index.html
You must register first and then download the software. The Zfone public beta is available now for Mac OS X (10.4 or later), Linux, and the 32-bit version of Windows XP