This is interesting. Sorry...I'm a working stiff so I haven't kept up with the protocols. Does SIP in any way force a centralized "switch" paradigm on the VoIP implementation? My thinking is that it does not, it's more of an interface. Which means that Zfone could be Peer-to-Peer, and I would bet Zimmerman would have shot for that. Anyone know? -TD
From: Eugen Leitl <eugen@leitl.org> To: cypherpunks@jfet.org Subject: /. [PGP Creator's Zfone Encrypts VoIP] Date: Wed, 15 Mar 2006 09:25:32 +0100
Link: http://slashdot.org/article.pl?sid=06/03/14/1842248 Posted by: CmdrTaco, on 2006-03-15 01:12:00
Philip Zimmermann, creator of PGP wrote in to tell me about [1]Zfone, his new system for encrypting any SIP VoIP voice stream. His first release is Mac & Linux only. I tested it with him using Gizmo as our client and it was pretty trivial to use. While it should work on most any SIP compatible VoIP client, he hopes that clients like OpenWengo and Gizmo will incorporate Zfone directly into the UI. Zfone has no centralization, and has been submitted to the IETF. He hasn't yet determined a license, but he believes strongly in releasing source code for all encryption products. A windows client is forthcoming.
References
1. http://www.philzimmermann.com/EN/zfone/index.html
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