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Date:      Tue, 25 Jan 2011 00:46:02 -0800
From:      Bruce Ferrell <>
Subject:   Re: Tracing packets - asterisk issues
Message-ID:  <>
In-Reply-To: <>
References:  <>

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On 01/24/2011 11:13 PM, Da Rock wrote:
> I have been trying to get some pointers on my asterisk issues and I've
> only been hearing crickets chirping (Asterisk list and here). I need a
> pointer or two so I can fix this issue, so I'll try another angle.
> How do I trace IP packets across the network (pf firewall included)?
> And would it be possible to read it visually (human readable)?
> Cheers
Use tcpdump to do a capture file.  something like this:

tcpdump -i eth0 -n -s 1500 -w sip.cap

then feed sip.cap to wireshark

filter for SIP and observe the SIP conversation

It's also possible to decode the RTP stream

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