Ethereal-users: [Ethereal-users] Decoding H.323 message

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From: "Leon-NTS" <leon@xxxxxxxxxxxx>
Date: Mon, 19 Jul 2004 22:51:51 +0800
Dear Ethereal team,
 
Recently, I got some H.323 capture sample in tcpdump format. The tcp server port of the H.225 Setup message is TCP 1721 but not the default 1720. I found that some 3rd party analyzer like Sniffer cannot decode that mesage in H.323 but living it undecoded. However, Ethereal can well decode those non-standard H.323 setup message. May I understand what magic stuff making Ethereal be able to decode those non-standard traffic? By intellegent pattern trigger decoding library?
 
tks
Leon