[guardian-dev] ZRTP hard phone?

[Steve Song]

Hi all,

Steve Song from Village Telco here.  Danny Illand mentioned this thread to
me and I'd love to explore this possibility to see where it goes. Sorry it
took me so long.

To date we haven't done anything about securing Village Telco networks
largely because we believe that fools rush in where angels fear to tread.
 The only thing worse than an insecure network is one that advertises
itself as secure but isn't.  All that to say that it is not that we aren't
interested, we just lack deep expertise in network security.  Which is why
I am doing my best to restrain my bubbling enthusiasm about a possible
collaboration.

The second generation Mesh Potato or MP2 is built on the AR9331 platform.
 You can see a little bit more about it at http://wiki.villagetelco.org/MP02
  The FXS sub-system has taken us way longer than we had hoped to produce
but is just going into production this very week.  It took a while to
getting working kernel and DAHDI drivers for it.  Getting technical support
from Qualcomm/Atheros and SiliconLabs it tough when you're tiny.  :)

Everything we have developed is under an open license.  However, and it is
not an insignificant however, we used some of SiLabs' code for the drivers
as we couldn't afford to write everything from scratch.  Getting access to
100% of the code may require signing an NDA with SiLabs.  I need to
investigate this more to find out how that works in practice.  The chip we
have used for the FXS subsystem is the Si3217x ProSLIC  (
http://www.silabs.com/products/voice/slic/Pages/Si3217xProSLIC.aspx)

Comments, questions welcome.

Cheers... Steve

-----------------------
[guardian-dev] ZRTP hard phone?

Lee Azzarello lee at guardianproject.info
Fri Jun 6 15:47:43 EDT 2014
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On 6/2/14, 8:51 AM, Peter Villeneuve wrote:
> It is indeed a great idea. What exact device are they using for the mesh
> potato? I can't seem to find any specific info on that.
> I'd also like to know how they got the ATA bit working, since all I seem
> to find on the interwebz is proprietary ATA firmware.
>
> Anyone know of any open source ATA projects?

Yes, but you'll have to build the hardware yourself.

http://www.voip-info.org/wiki/view/DAHDI

The commercial products took a dumb hardware smart software approach and
did the DSP in software using the zaptel API. There's over 10 years of
history and the driver is in the mainline kernel.



I can imagine an ATA that is smart enough to speak ZRTP and do key
verification with a recorded voice or print out the SAS on an LCD/LED
screen.

-lee

>
> Cheers
>
>
> On Mon, Jun 2, 2014 at 1:40 AM, Nathan of Guardian
> <nathan at guardianproject.info <mailto:nathan at guardianproject.info>>
wrote:
>
>     On 06/01/2014 07:06 PM, Danny Iland wrote:
>     > If you're planning to make a ATA+ZRTP box, you might consider
>     using the
>     > Village Telco Mesh Potato as your hardware platform. It has the ATA
>     > hardware built in and runs Asterisk on OpenWRT. I'm sure Steve
>     Song and
>     > the other village telco developers would be happy to provide
>     support and
>     > take patches.
>     >
>     > http://villagetelco.org/mesh-potato/
>
>     That is a great idea. It would really be something to get ZRTP
supported
>     by the Mesh Potato!
>
>     >
>     >


-- 
Steve Song
+1 902 529 0046
http://villagetelco.org
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