Hi, I also have the same question, why don't you use the existing VoIP analizer?
On 3/3/08, Anders Broman <[EMAIL PROTECTED]> wrote: > > Hi, > > I'm not sure what you need but packet-per.c is used to decode the PER > encoded stuff but it may not suit your needs. > > Another option is to look at openh323. > > > > But isn't building another VoIP analyser reinventing the wheel? Why not > work on the VoIP analysis code of Wireshark? > > Regards > > Anders > > > ------------------------------ > > *Från:* [EMAIL PROTECTED] [mailto: > [EMAIL PROTECTED] *För *Abelardo Rodriguez-Trilla > *Skickat:* den 29 februari 2008 00:13 > *Till:* [email protected] > *Ämne:* [Wireshark-dev] How can I decode ASN.1 as Wireshark does? > > > > Hi people. > > I'm developing a VoIP protocol analyzer for a University educative module, > for learning VoIP signalling protocols. I'm working with SIP and H.323. > The SIP part is ready, and the Q.931 part of H.323 is also ready. But now > I'm having issues with the ASN.1 enconding of H.225.0 and H.245. I know > that first I need to compile the ASN.1 tree to the language of my > preference (C in this case), and it is already done. But besides the > structures generated by the compiler, now I need to develop the decoding > routines, which have to work with the PER alligned rules. > > I wanted to know how Wireshark does to decode it? > > Thanks in advance. > > -- > Abelardo Rodríguez-Trilla > "If you really want to do something, you'll find a way; if you don't, > you'll find an excuse" Anonymous > > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.5.516 / Virus Database: 269.21.1/1301 - Release Date: > 2008-02-27 08:35 > > No virus found in this outgoing message. > Checked by AVG Free Edition. > Version: 7.5.516 / Virus Database: 269.21.1/1301 - Release Date: > 2008-02-27 08:35 > > _______________________________________________ > Wireshark-dev mailing list > [email protected] > http://www.wireshark.org/mailman/listinfo/wireshark-dev > > -- ------------------------------- Enjoy life! Barco You
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