General support for the idea from me. It would be fanstatic to be able to part the payload esp. For ISUP messages.
Neill...;o) Neill Wilkinson Principal Consultant Aeonvista Ltd - opening up new ideas -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Daniel-Constantin Mierla Sent: 03 September 2008 17:45 To: Kristian Kielhofner Cc: users@lists.kamailio.org Subject: Re: [Kamailio-Users] SIP-T: Multipart SDPs, ISUP parsing, etc Hello, On 09/03/08 19:10, Kristian Kielhofner wrote: > Hello everyone, > > Feel free to set $OSSPROXY to whatever you like = > Kamailio/OpenSIPS/OpenSER (for those of you who can't let go). > > $OSSPROXY is my favorite SIP toolkit. In addition to being an > excellent proxy and registrar it serves as a platform to do SIP > mangling and wrangling. With that in mind let me propose a crazy > idea... > > How hard would it be to get $OSSPROXY to be able to parse what is > commonly referred to as SIP-T (RFC 3372)? I understand $OSSPROXY has > no business getting too involved in the SDP but I feel it makes sense > in some instances (like this one). What if I want to make a routing > decision based on an encapsulated ISUP parameter of some sort? Who > knows what it could be!?!? Maybe there are some other uses but that > makes the most sense and seems to be the most practical. It should be > possible to develop an $OSSPROXY module to: > > - Use the SDP parser to find the ISUP SDP part: > > http://www.kamailio.net/dokuwiki/doku.php/development:sdp-parsing > > - Pass that part into a "real" ISUP parser (if necessary). I couldn't > seem to find the perfect library but perhaps something like this could > work: > > http://www.openss7.org/isup.html > > - Make the ISUP parameters available via AVPs, pseudo variables, etc > for use in the $OSSPROXY script. > > I don't really have a need for this but it seems like it could be > cool. Am I nuts? > > I would expose the body as a dynamic structure, so components will be accessible in the script, e.g. (naming schema just for example), if($body(0=>content-type)=="application/sdp") { if($body(0=>m=>type) == "audio") { } } Based on the available content type parsers (sdp, isup), the structure has different attributes. Cheers, Daniel -- Daniel-Constantin Mierla http://www.asipto.com _______________________________________________ Users mailing list Users@lists.kamailio.org http://lists.kamailio.org/cgi-bin/mailman/listinfo/users _______________________________________________ Users mailing list Users@lists.kamailio.org http://lists.kamailio.org/cgi-bin/mailman/listinfo/users
