[Freeswitch-users] Codecs and things

[Michael Jerris]

We expect the g729 sometime very soon, weeks not months away.

Mike

On Dec 22, 2009, at 7:45 PM, Rupa Schomaker <rupa at rupa.com> wrote:

> On Tue, Dec 22, 2009 at 2:55 PM, Ahmed Naji <a.alalousi at gmail.com>  
> wrote:
>> Hello people,
>>
>> Can someone please clear the following ambiguities with codecs:
>>
>> Are we definitively able to run pass-through codecs (e.g. G.729) in  
>> Proxy
>> Media mode, or does FS need to be running in bypass-media ? the  
>> Wiki is not
>> clear in this regard
>
> Yes, you can use proxy media, bypass media, or even regular mode if
> you don't transcode (special for g729).  Proxy media is really a
> special hack that should only be used for T38 passthrough.  If you are
> using it for other purposes, think about it some more....
>
>> When an A-leg has negotiated a pass-through media codec, can the B- 
>> leg be
>> transcoded into a non-pass-through codec, and vice-versa ? think A- 
>> leg
>> incoming with a G.729 codec, and target for B-leg needs to be setup  
>> with a
>> GSM-codec, say
>
> That would require transcoding - which can't be done if the codec is
> pass-through.
>
>> Where in the developer's set of documentation are codecs  
>> discussed ? I would
>> like to start porting some code of mine for G.729a/b/ab form a ti DSP
>> platform to FS. FS lacking full G.729 support is proving quite a  
>> hindrance,
>> and there is no clear direction from the dev community as to when  
>> the same
>> will be available. Incidentally, any news on this effort ? where  
>> are we with
>> code, and what's an ETA for a Beta ?
>
> I'd say look at the broadvoice or other simple self-contained codecs
> are done.  Currently the only supported g729 solution is to use a
> digium board with mod_dahdi_codec.
>
> I don't have any info on a software based g729 solution.
>
>> On the same lines as (3) above, there is a codec dev template in  
>> the source
>> tree. Again, where can I find documentation relating to this ? the  
>> template
>> has hardly any docs at all.
>>
>> Best regards and warm wishes for a Merry Christmas and a great New  
>> Year to
>> one and all.
>>
>> Ahmed.
>>
>>
>> --
>> Ahmed A. Ibrahim-Naji Al-Alousi
>> Ph.D., MIEE, MBCS
>>
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>
>
>
> -- 
> -Rupa
>
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