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[liberationtech] AES-encyrpted telephony in Iran?

Adam Fisk a at littleshoot.org
Wed Jun 13 16:26:59 PDT 2012


Ahh right makes sense Nathan! I was mistakenly thinking of the desktop
case. I've also heard that a lot of the European 3G operators and
likely others just drop a lot of VoIP traffic on the floor, possibly
causing the types of issues you're seeing.

On Wed, Jun 13, 2012 at 4:06 PM, Nathan of Guardian
<nathan at guardianproject.info> wrote:
> 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
>
>



-- 
Adam Fisk
http://www.littleshoot.org | http://adamfisk.wordpress.com |
http://twitter.com/adamfisk



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