[openss7] Re: ISUP+INAP decoder

["Brian F. G. Bidulock" <bidulock@openss7.org>]

Martin, 

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> From: Martin.Stender@o-tel-o.de
> To: openss7@openss7.org
> Date: Mon, 26 Nov 2001 15:29:12 +0100
> Subject: ISUP+INAP decoder
> 
> Hi OpenSS7 Team,
> 
> I know that this is an off topic request, but I hope you can help me anyway.
> I have to decode ISUP and INAP (EWSD SINAP) SS7 messages, and I found that great
> SS7 encoder/decoder written by Brian Bidulock on your download page:
> 
> ss7codecs-0.1.0.tgz; October 13, 2000; Version 0.1.0 Prerelease1; 80512 bytes
> 
> It supports ISUP and also SCCP/TCAP, but unfortunately no INAP.
> May you know if the version on the download page is the latest release of that
> software, and if there?s also an INAP part available anywhere.

No INAP yet, sorry.

> 
> I know that some free ASN.1 implementations exists to encode and decode messages
> ASN.1, and that the INAP protocol specification include the ASN.1 description.

Really?  I haven't found a usable free ASN.1 compiler.  Which were you
referring to?  (Not snacc I hope...)

Actually, writting the encode/decode by hand is not difficult.

> Do I have to use the ASN.1 decoder on top of the TCAP decoder, or is there also
> an ASN.1 description for MTP/SCCP/TCAP/INAP + ISUP available, so that I didn?t
> need to use two different programs (I couldn?t find ISUP ASN.1 code until now).

There is no ASN.1 description for MTP/SCCP/ISUP, but there is for TCAP.

--brian

> 
> Thanks in advance,
> 
> Regards
> 
> Martin Stender
> 

-- 
Brian F. G. Bidulock    ¦ The reasonable man adapts himself to the ¦
bidulock@openss7.org    ¦ world; the unreasonable one persists in  ¦
http://www.openss7.org/ ¦ trying  to adapt the  world  to himself. ¦
                        ¦ Therefore  all  progress  depends on the ¦
                        ¦ unreasonable man. -- George Bernard Shaw ¦