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[liberationtech] Ostel: encrypted phone calls

AJ Ferrick ajferrick at
Fri Feb 21 12:11:58 PST 2014

On Fri, Feb 21, 2014 at 11:48 AM, Nathan of Guardian
<nathan at> wrote:

> On 02/20/2014 04:46 PM, Nick wrote:
>> Quoth Nathan of Guardian: 
>>> > However, the Android version has excellent video support, that works
>>> > through ZRTP encryption as well (though it is using a variable bit
>>> > rate codec, which can reduce the effectiveness of the encryption).
>> Since your post to this list I've started using ostel with Jitsi, 
>> and it's working very well too. The video never seems to be 
>> reliable, though (this is Windows <-> Linux). Is that likely to be a 
>> Jitsi thing, or a ostel thing? Or just a speed of some of the
>> computers thing (some are slowish, but video works fine on them all 
>> with Skype).
> I use encrypted video calls via Ostel with Jitsi on a fairly regular
> basis. Here is a talk I gave remotely in Barcelona (from Boston) through
> this system:
> You may want to play with adjusting the bitrate and codecs in Jitsi.
>> I'd assumed it was inevitable, but if an Android client can do good 
>> video, then presumably laptops ought to manage it too.
> Yes, it is true. Linphone on Android does especially well with video,
> much better than other apps like CSipSimple for example.
> Best, and thanks for the feedback!
> +n
> -- 
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