RE: Help decoding parameter Diagnostic Information

Sergey,

I cannot guarantee that the offending message is present in the Diagnostic Information because I only see hexadecimal characters inside that parameter.

The analyzer decodes the length in bytes but nothing more.

My question is if there is some way to decode this hex message.

 

Regards,

António

 

From: Sergey Mikhailov [mailto:[email protected]] 
Sent: quinta-feira, 18 de Janeiro de 2007 16:24
To: Fernandes, António Carlos, VF-PT
Cc: SIGTRAN
Subject: Re: [Sigtran] Help decoding parameter Diagnostic Information

 

António,

 

Section 3.8.1 of RFC 4666 says:

 

"If the Unexpected message contained Routing Contexts, the Routing Contexts SHOULD be included in the Error message."

 

and

 

"When included, the optional Diagnostic Information can be any information germane to the error condition, to assist in identification of the error condition.  The Diagnostic Information SHOULD contain the offending message."

 

There's no strict way to use the Diagnostic Information parameter (hence it may not have the recommended contents, to be decoded as expected).

But, when satisfying the recommendations above, it includes the offending message (DAUD in your case).

 

 

Regards,

Sergey Mikhailov.

 

	----- Original Message ----- 

	From: Fernandes, António Carlos, VF-PT <mailto:[email protected]>  

	To: [email protected] 

	Sent: Thursday, January 18, 2007 10:52 PM

	Subject: [Sigtran] Help decoding parameter Diagnostic Information

	 

	Hello everyone,
	i'm trying to interconnect two different vendors over M3UA and during the process of ASP activation my SG is responding to some incoming messages (DAUD) with "Unexpected Message" which I think is due to the fact that the ASP is still marked as inactive from the SG side and no ASPActivate message has been received yet. 
	In the error message sent by the SG there is an optional parameter "Diagnostic Information" which is not decoded by my protocol analyzer.
	I have searched the RFCs for the format of this message but could not find any relevant information. 
	Can someone help me on how to decode this information?
	
	Best Regards
	AntСnio Fernandes

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Please notify the sender immediately by e-mail if you have received this e-mail by mistake and delete this e-mail from your system.
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