[Freeswitch-dev] Recoding G729 raw payload in FreeSWITCH and G729 decoding

seven du seven at idapted.com
Mon Jan 26 18:25:15 PST 2009

Thank you Jason.

I think there is a tools called pcapsipdump can do the job you  
described.  Though
it is not in FreeSWITCH, I think it's enough for debugging purpose.  
The mod_recpld,
not a good name though, is written to tight with FS and give a  
standard command
line interface like "record".

BTW, I'm also thinking to record all RTP stream, for debugging and  
statistic purpose,
but haven't figured out how easy/hard to do that. The idea is just  
like that: http://lists.freeswitch.org/pipermail/freeswitch-dev/2009-January/001789.html


On Jan 26, 2009, at 8:30 PM, Jason Garland wrote:

> I was just thinking about something like this the other day. My idea
> was to record calls as pcap files for debugging purposes. The ability
> to play back an RTP stream from within a pcap file could be very
> useful for reproducing customer issues. You could either record one
> RTP stream per pcap or stuff both streams into the pcap, and possibly
> even the sip signaling. I've used sipp to play back pcap files in the
> past to reproduce polycom bugs. You must give it a pcap file
> containing a single rtp stream.
> Sent from my iPhone
> On Jan 21, 2009, at 11:30 PM, seven du <seven at idapted.com> wrote:
>> Hi FreeSWITCHers,
>> 1) FreeSWITCH support G729 codec in passthrough mode, it is normally
>> engough if both call-legs suport G729. But there is no way to do
>> recording if you can't decode it. I wrote a small module called
>> mod_recpld. The idea is to record the raw payload in rtp packets to
>> files, and decode them into 3rd party  converters.
>> See details at: http://code.google.com/p/mod-recpld/
>> 2) EasyG729A implemented by http://imtelephone.com can be free of use
>> on research purpose, I made a wrapper so it can be used in  
>> FreeSWITCH.
>> See deatila at: http://code.google.com/p/libg729/
>> The code is not good but just works.
>> BTW, I think it maybe easy to store codes on FreeSWITCH svn than on
>> google code, how can I become a developer? Can I get a svn access on
>> svn.freeswitch.org and own a branch?
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