Hello, maybe keep_hf() can help a bit:
- https://www.kamailio.org/docs/modules/stable/modules/textopsx.html#textopsx.f.keep_hf Or look at topos module (with the note that was just added in 4.4 and not much tested). Cheers, Daniel On 06/07/16 12:02, Anonim Stefan wrote: > Hi, > > True, I was thinking only about the "Via" and "Record-Route" added by > Kamailio. Didn't know Record-Route had no short form (I was thinking > of something like "rr" due to rr module I guess). In this case I > suppose there is not much to gain, only from "Via". > > I'm facing some fragmentation issues. My goal is to make the SIP > packet as small as possible while removing as less SIP headers as I > can. I'd still like to use UDP. > > Thanks, > Stefan > > > On Wed, Jul 6, 2016 at 12:48 PM, Daniel-Constantin Mierla > <mico...@gmail.com <mailto:mico...@gmail.com>> wrote: > > Record-Route has no compact name variant, afaik -- also quickly > checking > the iana assignments, shows the same: > > - > > http://www.iana.org/assignments/sip-parameters/sip-parameters.xhtml#sip-parameters-2 > > If smaller size is the target, then Via makes no big difference, so it > was never a goal -- the changes in code should not be big. > > A quick option is to redefine MY_VIA in config.h to use the > compact form. > > A proper option could be introducing a core parameter, adding a new > define for the short version and use the normal or short form a matter > of the parameter value. The function that needs to be changed is > via_builder(). > > Cheers, > Daniel > > > On 06/07/16 11:40, Olle E. Johansson wrote: > >> On 06 Jul 2016, at 11:38, Alex Balashov > <abalas...@evaristesys.com <mailto:abalas...@evaristesys.com>> wrote: > >> > >> Stefan, > >> > >> The construction of headers is generally the province of the > UAs/endpoints of the call. Kamailio understands compact headers, > as all compliant SIP stacks do, but it can't singlehandedly > reformat them. > > I think the question was about the headers added by Kamailio - > Via and Record-Route. Which makes the question perfectly valid :-) > > I can’t remember such a setting anywhere and am curious on why > it’s needed. > > /O > > > > _______________________________________________ > > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users > mailing list > > sr-users@lists.sip-router.org <mailto:sr-users@lists.sip-router.org> > > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > > -- > Daniel-Constantin Mierla > http://www.asipto.com - http://www.kamailio.org > http://twitter.com/#!/miconda <http://twitter.com/#%21/miconda> - > http://www.linkedin.com/in/miconda > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing > list > sr-users@lists.sip-router.org <mailto:sr-users@lists.sip-router.org> > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > > -- Daniel-Constantin Mierla http://www.asipto.com - http://www.kamailio.org http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
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