Re: Decoding G.729 using Ethereal, rtpdump and VoiceAgedecoder

Alejandro Vaquero <[email protected]> Mon, 31 Jul 2006 12:09:36 -0700
Newsgroups gmane.network.ethereal.devel
Message-ID <[email protected]>
-------------------
The Ethereal project is being continued at a new site.  Please go to
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-------------------

Gabriel,
if you send me the trace, I can try to "listen" it with my 
implementation. Please don't send the attachment to the list.

Regards
Alejandro



Gabriel M. wrote:
> -------------------
> The Ethereal project is being continued at a new site.  Please go to
> http://www.wireshark.org and subscribe to [email protected].
> Don't forget to unsubscribe from this list at
> http://www.ethereal.com/mailman/listinfo/ethereal-dev
> -------------------
>
>   
>
> ------------------------------------------------------------------------
>
> Well, after trying all the possible combinations of 
> bitstream/nonbistream, payload and decoder options, I have decided to 
> ask for a trial of the commercial version of JMStudio’s g729 codec.
>
> So I took another ~1min recording, dump it from ethereal, tcpdump it 
> (checked with a hexeditor and the dump matches the payload from 
> ethereal), tcpplay it to JMStudio and it’s still not working. All I 
> can hear is some voice-like, fast forward mumble.
>
> I’m beginning to think that maybe cisco is using a different 
> implementation, or a slightly changed g729 codec. Has anyone tried to 
> record conversations on a linksys PAP2 ?
>
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