[asterisk-users] Some queries on g729 license.

Steve Kennedy steve-asterisk at gbnet.net
Mon Jan 8 13:03:13 MST 2007


On Mon, Jan 08, 2007 at 02:53:39PM -0500, Al Bochter wrote:

>    So tell me what this FREE open source G729 is
>    I am told that you can use these Codecs with your Asterisk !
>    [1]http://www.readytechnology.co.uk/open/ipp-codecs-g729-g723.1/
>    You can do it Freely !!

No, Ready Technology have packaged the codecs based on Intel's IPP code.
The codecs link against Intel's IPP libraries. The code here is a diff
and other material to compile the codecs once you've downloaded the IPP
libraries. It will then produce a binary.

To download Intel's libraries you need to agree to their licensing
terms.

To utilise the codecs you still need to pay a royalty fee to Sipro (as
is clearly stated on the site).

There are some pre-built binaries held on servers were the patents don't
apply, however utilising those binaries on a system in a country where
they do apply means you have to pay royalties.

If you look it's the patches which are distributed under GPL, not the
actual code itself.

Steve

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