Re:PGPfone (1995)
by frank_boyd on Saturday August 31, 2013 @10:25AM
(#6306878)
Personally, I'd stay away from anything that is closed-source (as we don't know what's happening inside) and/or centralized (because it's just one more attack vector and totally unnecessary for VoIP).
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Which of the above don't involve a central server? A server is absolutely necessary for VoIP, if only to set up calls (its also the only way to deal with some NATs).
Re:PGPfone (1995)
by frank_boyd on Saturday August 31, 2013 @11:19AM
(#6306994)
RetroShare is completely decentralized/p2p/OTR.
EDIT: @JshWright - Not sure I understand your question, but RS does "real-time voice communication" (besides the other things like chat, messaging, file sharing, forums, channels...)
Isn't the article about a real-time voice communication?
That's Retroshare. It's also the only one as far as I know that has P2P "e-mail", too (besides Bitmessage, which is still quite new and unproven).
BitMessage has already proven to be breakable (as usual, by tricking the user, but still). See https://news.ycombinator.com/item?id=6263850.
Twelephone gets round that by using twitter for call set up only & transmits media peer-to-peer using WebRTC.
Re:PGPfone (1995)
by vertex-four on Saturday August 31, 2013 @03:46PM
(#6307848)
The issue is that behind certain NATs, WebRTC's peer-to-peer component can't work. In these situations, it needs to fall back to using an ICE/STUN server, or some other form of proxy between peers.