[guardian-dev] Blackphone

Lee Azzarello lee at guardianproject.info
Fri Jan 17 11:37:40 EST 2014

I wasn't specific enough. I meant endpoint "IP address on the public
Internet". I'm familiar with how SIP URIs work. The design was good at
the time but assumed every Internet connected device would have a
unique public IP address.


On Fri, Jan 17, 2014 at 10:42 AM, ShootAKite at riseup.net
<ShootAKite at riseup.net> wrote:
> Hey Lee!
>> If you have a suggestion to do p2p real time voice without a central
>> registry to locate end points and not use IP addresses please share
>> that information! I've been looking for such a system for years now.
>> The design challenges are far too abstract to make sense of with my
>> understanding of IP networking.
> Today I use CSipSimple to call an IP address directly without going
> through a SIP Server.  Just select 'local' in wizard, it will just ask
> you the display name you'd like for local account.  When you want to
> initiate a call with a SIP client (without a SIP Server) simply enter
> their IP address (you must type a fake username) in the field.  Works
> flawlessly!
> I can give you my current IP if you would like to test.
> I've also used Speak Freely back in the 90's to call IP's directly by
> first having the callee send me an email.  Then I would use the IP
> address in the email header to call them.  This also worked flawlessly!
> http://www.speakfreely.org/
> Aaron

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