Hi Rupa,<br><br>Thanks for your feedback.<br><br>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.<br>
<br>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 ?<br>
<br>Thanks a lot in advance.<br><br>Regards,<br><br>Ahmed.<br><br><br><div class="gmail_quote">2009/12/23 Rupa Schomaker <span dir="ltr"><<a href="mailto:rupa@rupa.com">rupa@rupa.com</a>></span><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div class="im">On Tue, Dec 22, 2009 at 2:55 PM, Ahmed Naji <<a href="mailto:a.alalousi@gmail.com">a.alalousi@gmail.com</a>> wrote:<br>
> Hello people,<br>
><br>
> Can someone please clear the following ambiguities with codecs:<br>
><br>
> Are we definitively able to run pass-through codecs (e.g. G.729) in Proxy<br>
> Media mode, or does FS need to be running in bypass-media ? the Wiki is not<br>
> clear in this regard<br>
<br>
</div>Yes, you can use proxy media, bypass media, or even regular mode if<br>
you don't transcode (special for g729). Proxy media is really a<br>
special hack that should only be used for T38 passthrough. If you are<br>
using it for other purposes, think about it some more....<br>
<div class="im"><br>
> When an A-leg has negotiated a pass-through media codec, can the B-leg be<br>
> transcoded into a non-pass-through codec, and vice-versa ? think A-leg<br>
> incoming with a G.729 codec, and target for B-leg needs to be setup with a<br>
> GSM-codec, say<br>
<br>
</div>That would require transcoding - which can't be done if the codec is<br>
pass-through.<br>
<div class="im"><br>
> Where in the developer's set of documentation are codecs discussed ? I would<br>
> like to start porting some code of mine for G.729a/b/ab form a ti DSP<br>
> platform to FS. FS lacking full G.729 support is proving quite a hindrance,<br>
> and there is no clear direction from the dev community as to when the same<br>
> will be available. Incidentally, any news on this effort ? where are we with<br>
> code, and what's an ETA for a Beta ?<br>
<br>
</div>I'd say look at the broadvoice or other simple self-contained codecs<br>
are done. Currently the only supported g729 solution is to use a<br>
digium board with mod_dahdi_codec.<br>
<br>
I don't have any info on a software based g729 solution.<br>
<div class="im"><br>
> On the same lines as (3) above, there is a codec dev template in the source<br>
> tree. Again, where can I find documentation relating to this ? the template<br>
> has hardly any docs at all.<br>
><br>
> Best regards and warm wishes for a Merry Christmas and a great New Year to<br>
> one and all.<br>
><br>
> Ahmed.<br>
><br>
><br>
> --<br>
> Ahmed A. Ibrahim-Naji Al-Alousi<br>
> Ph.D., MIEE, MBCS<br>
><br>
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<br>
--<br>
-Rupa<br>
<br>
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</blockquote></div><br><br clear="all"><br>-- <br>Ahmed Naji<br>