G 723

[Mikael Magnusson]

Alejandro Fernández Japkin wrote:
> 
> I'm trying to figure out how to
> cleanly insert a g 723 codec into minisip, which i have in a C
> implementation that, of course, does not match at all the way minisip
> handles codecs. If there is any work regarding this subject, i'd
> really want to know.
> 
> I have serious issues with the mentioned g723.c, since it holds many
> unused functions such as an state update, and of course, a pointer to
> a state structure.
> 

> The problem basically is, that most sip carriers are no longer
> handling g711, and therefore the software is becoming useless in
> certain scenarios, for certain purposes.
> 

The problem is that codecs used in the telecom industry often is covered 
by patents which you need to license to use the codecs legally (at least 
in some countries, such as in the US).

> I'll attach a copy of the mentioned C file.
> 

Are you sure you are allowed to redistribute that C file? To my 
knowledge G.723 is one of the patented codecs and G.729 is another, and 
is not freely available.

Mikael