Wireshark-bugs: [Wireshark-bugs] [Bug 6112] ansi map/tcap ReturnError can't dissect

Date: Fri, 16 Jan 2015 10:23:05 +0000

Comment # 4 on bug 6112 from
(In reply to Anders Broman from comment #2)
> The code is generated from TCAP-Remote-Operations-Information-Objects {iso(1)
> memberbody(2) usa(840) t1-114(10013) modules(0) informationObjects(1)
> version4(4) }
> :
> ErrorCode ::= CHOICE {
> 					national [PRIVATE 19] INTEGER (-128..127),
> 					private [PRIVATE 20] INTEGER
> 
> So it looks like a tag for integer is expected after "Private 20" changing
> it to
> 
> ErrorCode ::= CHOICE {
> 					national [PRIVATE 19] INTEGER (-128..127),
> 					private [PRIVATE 20] IMPLICIT INTEGER
> }
> 
> Makes the dissection work:
> errorCode: private (20)
> private: -127
> private: 2320
> ANSI Mobile Application Part
> 
> Where
> ANSI Mobile Application Part covers:
> 0000   f2 00                                            ..
> 
> Should the definition be IMPLICIT?

Not according to

   
ftp://ftp.3gpp2.org/Archive/TSGN%20(inactive)/Working/2001/2001_02_Chandler/Opening_Plenary/fyi%20T1%20Ballots/T1.114Ballot.pdf

which says in the informative - not normative - Annex A:

    ErrorCode ::= CHOICE {
        national [PRIVATE 19] INTEGER -128..127,
        private [PRIVATE 20] INTEGER
    }

I tried getting the current version of T1.114 from ATIS:

    https://www.atis.org/docstore/product.aspx?id=24593&type=2&Add=1

but the password I used when trying to register for the Document Center doesn't
work (I sent them an e-mail about it - perhaps it was too long or used invalid
characters; Web sites have an annoying tendency 1) not to allow long passwords,
2) not to allow special characters in passwords, and 3) not telling you, when
you register or set your password, that your password is invalid).


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