Wireshark-bugs: [Wireshark-bugs] [Bug 1508] CIC parameter in ISUP message not decoded correctly
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Wed, 4 Apr 2007 02:28:15 +0000 (GMT)
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=1508





------- Comment #2 from chrsco@xxxxxxxxx  2007-04-04 02:28 GMT -------
(In reply to comment #1)
> I assume when you say ISUP you mean the ANSI variant of ISUP where the CIC is
> 14 bits long (as opposed to the ITU version of ISUP where the CIC is 12 bits
> long).
> 
> In that case, you're right, the ISUP dissector still treats the CIC as 12 bits
> long, even if it's set for ANSI mode.
> 
> Fixed in rev 21310.  The next release should be 0.99.6 or you can pick up one
> of the buildbot builds with rev > 21310 (probably a couple of hours from now). 
> Thanks for the report.
> 

Yes, this capture was taken in an ANSI SS7 network. I guess since ANSI t1.113
allocates the most significant 2 bits as spare they don't need to be counted as
you stated (14 bits).  Thanks for your quick response and fix.


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