[asterisk-users] Asterisk/GPL and G.729 licensing

[Lacy Moore - Aspendora]

Geez.  This is starting to sound like Microsoft licensing.

On 7/29/06, Tzafrir Cohen <tzafrir.cohen at xorcom.com> wrote:
>
> On Tue, Jul 25, 2006 at 03:32:20PM +1000, Nick Hoffman wrote:
> > Hi guys. I just stumbled upon
> > http://www.voip-info.org/wiki/index.php?page=Asterisk+G.729+Licensingand
> > read the section titled "Warning". I'm a bit confused now. Are you
> > violating the GPL (or any other license) if you sell a computer with
> > Asterisk and a G.729 license installed?
>
> Dislcaimer: IANALATINALA
>
> Asterisk can be used under three different licenses:
>
> 1. non-free: if you py Digium. Not relevant here.
>
> 2. The GNU GPL. The problem is that the GPL has a conflict with
> openh323, openssl (at least according to some people) and to any code
> whose redistribution is prohibited due to patentns (e.g: g723.1/g729
> codecs)
>
> 3. Modified GPL. The GNU GPL with some small exceptions. Those allow
> linking with openssl, openh323 and with patented code.
>
> So as long as you actually use (3) and not (2) and don't violate the
> terms of the licenses for the code you actually want to redistribute
> (e.g: read caefully the license of the 'register' utility) you should
> probably be clear.
>
> Some modules have a license that is only GPL (() and not (3)). Those
> include the mysql module from addons (right?) and probably quite a few
> third-party modules. You are not allowed to use both such a module and
> the g729 codec on the same Asterisk system because it would violate
> either the terms of (2) (the g729 module adds restrictions that conflict
> with the GPL) or with the GPL terms of thoe modules (the modified GPL
> adds restrictions that conflict with the original GPL license).
>
> --
> Tzafrir Cohen         sip:tzafrir at local.xorcom.com
> icq#16849755          iax:tzafrir at local.xorcom.com
> +972-50-7952406          jabber:tzafrir at jabber.org
> tzafrir.cohen at xorcom.com     http://www.xorcom.com
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-- 
Lacy Moore
Aspendora, Inc.
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