I'm pretty sure if you quantise it (modem-style) and turn it into data
you can apply as strong crypto as you want, and then convert it back to
analog.
The main issue would be the bandwidth available and quality, me thinks.
The 3.1 KHz PCM acoustic bearer spectrum of the PSTN is a well-known
Hi Bret, hi all,
thanks for your pointers.
> I have worked on this but do not have anything polished for sale. Are
> you looking for a single user application or something more enterprise?
It is to fit a single customer need.
The customer is a militar and even if it is not compulsory,
if the so
On Thu, 2010-02-25 at 08:25 -0500, Alex Balashov wrote:
> Although, acoustic coupling-based encryption would be kind of nifty...
> surely exists in the government sector.
how I have done that is to encrypt via a data call which means that you
can decode that data bit for bit on the pstn so it wo
Although, acoustic coupling-based encryption would be kind of nifty...
surely exists in the government sector.
On 02/25/2010 08:08 AM, Alexander Argov wrote:
> We encrypt FIX to FIX, Mobile to Mobile, Mobile to FIX, FIX to Mobile.
> on the FIX it must be VPN. once you are calling VIA PSTN it wil
We encrypt FIX to FIX, Mobile to Mobile, Mobile to FIX, FIX to Mobile. on
the FIX it must be VPN. once you are calling VIA PSTN it will not be
encrypted. on the mobile it is data over GSM.
Alex.
On Thu, Feb 25, 2010 at 2:54 PM, Trixter aka Bret McDanel <
trix...@0xdecafbad.com> wrote:
> On Thu,
On Thu, 2010-02-25 at 14:35 +0200, Alexander Argov wrote:
> Yes we have the solution.
>
> http://www.tikalnetworks.com/voip/index.php?cid=29
>
> On Thu, Feb 25, 2010 at 1:34 PM, mancyb...@gmail.com
> wrote:
> Hi All,
>
> are you aware of any (commercial) solution which
Yes we have the solution.
http://www.tikalnetworks.com/voip/index.php?cid=29
Alex Argov
CEO Tikal Networks
On Thu, Feb 25, 2010 at 1:34 PM, mancyb...@gmail.com wrote:
> Hi All,
>
> are you aware of any (commercial) solution which can encrypt calls between
> a mobile gsm and isdn (asterisk) ?
>
Hi All,
are you aware of any (commercial) solution which can encrypt calls between a
mobile gsm and isdn (asterisk) ?
Thanks for your attention,
have a nice day.
Mike
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