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[liberationtech] AES-encyrpted telephony in Iran?

Nathan of Guardian nathan at guardianproject.info
Wed Jun 13 16:06:26 PDT 2012


On 06/13/2012 06:59 PM, Adam Fisk wrote:
> I would just point out Nathan that both Skype and PrivateGSM should be
> doing all the NAT/firewall traversal necessary to create direct P2P
> connections in about 90% of cases.
I was thinking more in a mobile/3G environment, and in that case, we've
found that NAT traversal is difficult, if not impossible.

This is why with our work on secure telephony (OSTN aka
https://OSTel.me) we are doing RTP media proxying 100% of the time,
which has its downsides as well obviously.

+n





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