Ethereal-users: Re: [Ethereal-users] Re: VoIP and RTP analysis

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From: "Martin Mathieson" <martin.mathieson@xxxxxxxxxxxx>
Date: Sat, 1 Jan 2005 19:47:14 -0000
----- Original Message ----- 
From: "ronnie sahlberg" <ronniesahlberg@xxxxxxxxx>
To: "Ethereal user support" <ethereal-users@xxxxxxxxxxxx>
Sent: 29 December 2004 08:36
Subject: Re: [Ethereal-users] Re: VoIP and RTP analysis


> On Tue, 28 Dec 2004 12:57:22 -0600, Chris Tatro <k0rnshell@xxxxxxxxxxx>
wrote:
> > That worked!
> > Thank You,
> >
> > How do I get it to always detect these packets as RTP with out having to
> > change that setting everytime?
>
> Make sure you also capture any and all signalling protocols and packets.
>
> Ethereal should be able to figure out what is RTP automatically for
> VOIP as long as you also capture the h225 and h245 packets.
>

Both RTP and RTCP have heuristic dissectors that have worked reliably at
least for me.  Should these be turned on by default?