[Freeswitch-users] mod_amr transcoing for testing purposes

[Kristian Kielhofner]

Compared to free codecs any amount of licensing is ridiculous by comparison :).

On Mon, Jan 14, 2013 at 6:35 PM, Steve Underwood <steveu at coppice.org> wrote:
> There isn't really anything ridiculous about the licencing of G.729. It
> may be annoying, but its pretty much the only encumbered codec where
> there is a reasonably well defined path for fairly small scale users to
> licence all the relevant patents (even if one or two do crawl out of the
> woodwork late in the day via letters from lawyers). G.723.1, AMR,
> AMR-WB, EVRC, GSM-HR, GSM-EFR, etc., are all a PITA to licence.
>
> Regards,
> Steve
>
> On 01/15/2013 04:57 AM, Kristian Kielhofner wrote:
>> My understanding is that AMR licensing is even more ridiculous than G729.
>>
>> On Mon, Jan 14, 2013 at 3:39 PM, Steven Ayre <steveayre at gmail.com> wrote:
>>> Ah, damn you're right Kristian!
>>>
>>> The data sheet
>>> http://sangoma.com/assets/docs/datasheets/en/d100.pdf
>>> contains this footnode that is omitted from the web page:
>>>
>>> "Except for AMR and AMR-WB. Integrators must clear patent license with
>>> VoiceAge Corp."
>>>
>>> :(
>>>
>>> In which case anyone obtaining licenses from VoiceAge Corp should be
>>> free to use them with any implementation...
>>>
>>> I guess this is due to the same patent pool mess Mike mentioned?
>>>
>>> -Steve
>>>
>>>
>>> On 14 January 2013 20:34, Steven Ayre <steveayre at gmail.com> wrote:
>>>> "All codecs are fully indemnified; no additional licensing is required
>>>> for their use."
>>>> Source: http://sangoma.com/products/media_processing/voice_transcoding_boards/d150.html
>>>>
>>>>
>>>> On 14 January 2013 19:58, Kristian Kielhofner <kris at kriskinc.com> wrote:
>>>>> IIRC Sangoma doesn't provide licensing for AMR and AMR-WB (just the
>>>>> implementation).
>>>>>
>>>>> AFAIK mod_sangoma_codec is no more legal than libamr.
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>>
>
>
> _________________________________________________________________________
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>
> 
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-- 
Kristian Kielhofner