[Freeswitch-users] Hardware phones that do 48Khz Celt: Was Re: Is there any license G729?

[curriegrad2004]

Unless you want to spend loads of money on prototyping an VoIP IC that
does 48KHz, then be my guest and build one

On Mon, Sep 26, 2011 at 9:32 AM, Steve Underwood <steveu at coppice.org> wrote:
> On 06/30/2009 09:26 AM, Craig Askings wrote:
>> Are there any hardware phones that support 48 Khz Celt and
>> automated/mass deployment?
>>
>> Craig.
> Most of the pure VoIP chipsets aren't capable of running at 48k
> samples/second, so off the shelf phone hardware platforms probably won't
> cut it. The phones with video capabilities might have 48k sample/second
> facilities.
>> 2009/6/30 Jason White<jason at jasonjgw.net>:
>>> Brian West<brian at freeswitch.org>  wrote:
>>>> Everyone has this need for lower bandwidth calls... I tend to march the
>>>> other way. 48kHz baby!  (btw you can do 48kHz in the same bandwidth as a
>>>> single ulaw call)
>>> 48khz Celt (celt at 48000 in your codec preferences) sounds wonderful with
>>> FreeSWITCH. To test, run two FreeSWITCH instances, both with mod_portaudio.
>>> This also works well in 48khz conferences.
>>>
>>> I wouldn't use G.729 even if it weren't encumbered by patents - it's G.711,
>>> G.722, G.722.1 and (my current favourite) Celt all the way.
> Steve
>
>
>
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