[Freeswitch-users] G.729

curriegrad2004 curriegrad2004 at gmail.com
Mon Sep 26 18:48:51 MSD 2011


2014-2015 is still a short wait, really

On Mon, Sep 26, 2011 at 4:52 AM, Steve Underwood <steveu at coppice.org> wrote:
> On 09/26/2011 10:17 AM, Chad Vogel wrote:
>> Check out: http://www.voiceage.com/prodg729.php
> Is there supposed to be something interesting amongst the ads on that
> page? If so, it might have been helpful to point it out.
>
> Steve
>
>> On Sep 25, 2011, at 11:38 AM, curriegrad2004 wrote:
>>
>>> 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
>



Join us at ClueCon 2011 Aug 9-11, 2011
More information about the FreeSWITCH-users mailing list