[SR-Users] Very strange reinvite behaviour

Alex Balashov abalashov at evaristesys.com
Wed Aug 15 00:51:57 CEST 2018


On Tue, Aug 14, 2018 at 11:40:09PM +0200, M S wrote:

> It would be good if you can provide the full sip trace that includes the
> initial INVITE processing of both call legs.

That's not going to be (easily) possible in this case, due to one leg
being TLS.

> Per SIP v2.0 RFCs (3261, 3665 & 6141), when callee needs to send a
> sequential request e.g. a re-invite, it should use the Contact header it
> received in initial INVITE as RURI. Since the RURI and top most Route
> header(s), all point to kamailio itself, so kamailio sees it as strict
> routing rather then loose routing, and as a result loop occurs.

Yes. My question was about the inconsistency between the apparent RURI
and the message attributes logged.

-- Alex

-- 
Alex Balashov | Principal | Evariste Systems LLC

Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) 
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/



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