[Freeswitch-users] Codecs and things

[Rupa Schomaker]

On Mon, Jan 11, 2010 at 8:39 AM, Ahmed Naji <a.alalousi at gmail.com> wrote:

> Hi Rupa,
>
> Thanks for this.
>
> Re: regular mode, are we saying to set both bypass-media and proxy-media to
> false, and this would put it into regular mode ?
>
>
Or just don't set either.  Default is regular mode (why I called it regular
mode).  I'm not sure what the proper term is, "media mode" maybe ?


> I'll look into alternatives re: proxy per your feedback.
>
> Regards,
>
> Ahmed.
>
>
> 2010/1/11 Rupa Schomaker <rupa at rupa.com>
>
>
>>
>> On Mon, Jan 11, 2010 at 7:15 AM, Ahmed Naji <a.alalousi at gmail.com> wrote:
>>
>>> Hi Rupa,
>>>
>>> Thanks for your feedback.
>>>
>>> One thing that caught my eye in your reply is you mentioning that proxy
>>> media is a special hack for T38. The reason I'm using proxy mode is to fully
>>> mask the identity of end points from each other. If there is another of
>>> achieving this in FS then I am definitely very interested in hearing about
>>> it and implementing it.
>>>
>>>
>> The stock answer is that FS is not a proxy.  If you want a proxy use proxy
>> software (opensips/kamilio/whatever).  Proxy media mode is generally not the
>> right answer.
>>
>>
>>> You also mention regular mode, and I couldn't find mention of this
>>> anywhere in the Wiki. So far, my understanding was that you could run FS in
>>> either proxy or bypass media modes. Can you elaborate a little bit and
>>> discuss this a bit more ?
>>>
>>>
>> Regular mode is just the default mode FS runs in where all media passes
>> through it.
>>
>>
>>> Thanks a lot in advance.
>>>
>>> Regards,
>>>
>>> Ahmed.
>>>
>>>
>>> 2009/12/23 Rupa Schomaker <rupa at rupa.com>
>>>
>>> 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
>>>> >
>>>> > _______________________________________________
>>>> > 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
>>>> >
>>>> >
>>>>
>>>>
>>>>
>>>> --
>>>> -Rupa
>>>>
>>>> _______________________________________________
>>>> 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
>>>>
>>>
>>>
>>>
>>> --
>>> Ahmed Naji
>>>
>>> _______________________________________________
>>> 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
>>>
>>>
>>
>>
>> --
>> -Rupa
>>
>> _______________________________________________
>> 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
>>
>>
>
>
> --
> Ahmed Naji
>
> _______________________________________________
> 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
>
>


-- 
-Rupa
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.freeswitch.org/pipermail/freeswitch-users/attachments/20100111/7fadf064/attachment-0002.html