Wireshark-bugs: [Wireshark-bugs] [Bug 7999] Media descriptions of rejected INVOKEs are not dropp
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Mon, 19 Nov 2012 03:42:33 -0800 (PST)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7999

Hanspeter <hphalle@xxxxxxxxxxx> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Rejected INVOKE             |Media descriptions of
                   |                            |rejected INVOKEs are not
                   |                            |dropped

--- Comment #1 from Hanspeter <hphalle@xxxxxxxxxxx> 2012-11-19 03:42:32 PST ---
When decoding VOIP calls containing intermediate invokes which have been
rejected by the peer the media descriptions from these rejected invokes are
used for further decoding.

I've got a pcap file from a customer I have a NDA with, so I can't put in the
pcap file itself in the attachment but only a screen shot of the VOIP flow. The
display in the frame list has the same error.

You can see that an attempt is made to negotiate a T.38 conversation, but that
was rejected. Even though wireshark interprets the following RTP data as T.38
payload instead of RTP payload, what it really is.

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