[asterisk-dev] Implementation of Broadsoft Sip Access in Asterisk to enable SLA for Sipura/Linksys

Russell Bryant russell at digium.com
Sat Jan 5 11:50:08 CST 2008

Johansson Olle E wrote:
> I've checked my mail inbox and in 2005 I got permission from Broadsoft  
> to implement this spec as open source in Asterisk after discussions  
> with one of their managers and their legal counsel, but not publish  
> the spec as they where in need to change a few items in it before  
> going public. Obviously, they've gone public with it.
> Since this was a few years ago, we might want to check again, but I  
> don't foresee any problems.

There are not any legal concerns here, even if they had not published a
specification.  We can reverse engineer and implement protocols all we want.  We
have chan_skinny and chan_unistim, both implemented without released
specifications.  For an even more significant example, see the history of the
samba project ...

You would only need their help if you wanted access to an unpublished
specification.  However, that has nothing to do with letting us implement it.

Russell Bryant
Senior Software Engineer
Open Source Team Lead
Digium, Inc.

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