Capture your VoIP traffic, then make sure the voice streams are being decoded as "RTP". In other words, if the RTP traffic is on a non-standard port and all you see are UDP packets, you need to right-click on one of the packets and select "Decode As..." and choose RTP from the list.
Highlight a packet in the voice stream you want to save and select Statistics -> RTP -> Stream Analysis
In the RTP Stream Analysis window select "Save payload". Choose the location you want to save the file, select the .au format, change the channels to "both", give the file a name (voip_stream.au) and click Ok. The .au file can then be played back in a media player.
Caveat: This really only works if the voice stream is encoded using the G.711 PCMU or PCMA codecs. Also, I don't think this can be done from a command line.
Andrew
-----Original Message-----
From: Leo Zicovich [mailto:leozicovich@xxxxxxxxxxx]
Sent: Friday, December 02, 2005 4:51 AM
To: ethereal-users@xxxxxxxxxxxx
Subject: [Ethereal-users] VoIP?s conversation saved in a file
Hello everyone,
I have some question using Ethereal in VoIP
environment.
Basically, I need to know how to have VoIP's
conversation saved in a file to be played later. On a
linux line command (important).
Or any link where to get some examples.
Any help would be appreciated.
Thank in advance
Sincerely,
Leonardo
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