Wireshark · Ethereal-users: Re: [Ethereal-users] Order of Point Code and SSN in called party address of ANSI SCCP messages

[Michael Tuexen <Michael.Tuexen@xxxxxxxxxxxxxxxxx>]

Hi Christian,

can you provide a trace file in libcap format which shows the problem?

Best regards
Michael

On Jul 5, 2005, at 6:53 AM, Cristian Arriaza wrote:

> I'm using ethereal  0.10.11 to decode ANSI SCCP messages.
> Preferences are as per download package except for the modifcation  
> of the MTP3-standard from ITU to ANSI
> (Edit -> Preferences -> Protocols -> MTP3: MTP3-Standard).
>
> When looking at the called and calling party addresses of the SCCP  
> message, the point code and subsystem are displayed in the wrong  
> order (and therefore with wrong decoded values).
> Eg is decoding:
> the stream of bytes 06 02 01 01 as Point code 01-02-06 and ssn 1  
> instead of SSN 6 and point code 1-1-2.
>
> I'm assuming  I'm missing a configuration item that will change the  
> SCCP decoder to use the correct order of subsystem, point code for  
> ansi messages. Looking through the web and documentaiton I've had  
> no luck.
> Can anyone help me with the decoding of SCCP ANSI messages?
>
> Thanks
>
> --
> -----
> Cristian Arriaza
> Nortel Networks
> email: arriaza@xxxxxxxxxxxxxxxxxx
> Voice: +61 2 4224 2807; ESN: 639 2807; fax: +61 2 4224 2801
>
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