This was announced 14th March it seems. Today, I receive a Skype update 
notification, to take me from v2.0 to v5.0. Coincidence? May be.

 I see some problems with GNU SIP Witch:
 -  Doesn't do audio transcoding. This is one of those places where Asterisk 
shines. One side might be speaking u-law, the other side GSM, and they'll work 
together nicely.
 - Not really P2P, though it claims to be. This is where it'd beat Asterisk. At 
least in terms of setup.

Asterisk works fine. The code is [expletive deleted] but it works. And as of 
1.8.0 it does ZRTP and TLS (for SIP signalling traffic) so you can do secure 
calls. (See for example privatewave.com who have a mobile SIP client that does 
secure calls over 3G data using just this feature.)

 
P.


On Mar 15, 2011, at 12:55, Martin Atukunda wrote:

> Hi Lug,
> 
> FYI, New project "GNU Free Call" Announced. This could be a skype competitor. 
> Here is an excerpt from the site / blog entry:
> 
> -- 8< --
> 
> Our goal is to make GNU Free Call ubiquitous in a manner and level of 
> usability similar to Skype, that is, usable on all platforms, and directly by 
> the general public for all manner of secure communication between known and 
> anonymous parties, but without requiring a central  service provider to 
> register with, without using insecure source secret binary protocols that may 
> have back-doors, and without having network control points of any kind that 
> can be exploited or abused by external parties. By doing so as a self 
> organizing meshed calling network, we further eliminate potential service 
> control points such as through explicit routing peers even if networks are 
> isolated in civil emergencies.
> 
> -- >8 --
> 
> See http://planet.gnu.org/gnutelephony/?p=14
> 
> - Martin -
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