[Freeswitch-users] G.729

[curriegrad2004]

That's what I figured about anyways, +/- 2 years after G723.1 patents
expire. No wonder they're ramping up the enforcement nowadays

On Sun, Sep 25, 2011 at 9:34 AM, Steve Underwood <steveu at coppice.org> wrote:
> That's a good question. Many of the patents listed in the ITU database
> have already expired. I think the last one in the ITU database to expire
> will be some time in 2016, so its pretty much 20 years after the spec
> was first published - i.e. people were patenting techniques used by the
> codec until close to its publication data. One or two of those final
> patents might be things you could design your way around. G.729A was
> published a little later, but I don't remember any patents specific to
> it. Not all the relevant patents are listed in the ITU database, so
> there might be further problematic ones, which won't expire until 2016.
>
> The bottom line seems to be that it will be something like 2015 or 2016
> before the G.729. G.729A and G.729B specs are in the clear.
>
> Steve
>
>
> On 09/25/2011 10:44 PM, curriegrad2004 wrote:
>> Steve, do you know around what year when the G.729 patents expire?
>>
>> On Sun, Sep 25, 2011 at 3:27 AM, Steve Underwood<steveu at coppice.org>  wrote:
>>> Hi,
>>>
>>> On 09/23/2011 12:42 AM, curriegrad2004 wrote:
>>>> There is no G729 trial codecs in FreeSWITCH. You need to pay royalties
>>>> to SIPPRO regardless. There's always the option of waiting until
>>>> somewhere 2014 for the patents to expire ;)
>>>>
>>> The last of the G.723.1 patents expires in 2014. There are G.729 patents
>>> running a bit longer than that, but its hard to find the exact date.
>>>
>>> Steve
>
>
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
>