[tor-talk] VOIP and tor

[Mirimir]

On 10/22/2013 06:52 PM, Andrew F wrote:

> Is mumble secure over tor?

I've used Mumble, with data transmission in UDP mode, on OpenVPN (in TCP
mode) through Tor. Given that you, or someone whom you trust, are
running the Mumble server, and that traffic is routed by VPN through
Tor, I believe that it's secure.

> Is it the best to use for Voip call on tor?

I think so. Because it can use UDP through the VPN tunnel, there's
virtually no break-up. Latency is high (1-2 seconds) but that's just a
fact of using Tor. Voice quality is better than typical cellphone.
Mumble was expressly designed for high-latency connections, so it has
good interactive tools for optimizing voice quality.

> What are the other options?

I've heard good things about Jabber. However, all SIP apps depend on
third party servers. And SIP servers are much harder to set up than
Mumble servers.
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