Hi, The sips: scheme is effectively dead, since the RFC requires that a sips: next-hop guarantee end-to-end security, which it cannot. It has been effectively replaced by use of ;transport=TLS.
On Fri, Feb 22, 2019 at 02:58:05PM +1300, David Cunningham wrote: > Hello all, > > We're having an issue with Kamailio not processing an ACK and hope someone > can help. A PCAP shows that Kamailio is receiving the ACK, and we believe > these log messages are directly related to it: > > Feb 21 10:54:01 hostname /sbin/kamailio[15854]: ERROR: tm [ut.h:279]: > uri2dst2(): ERROR: uri2dst: bad transport for sips uri: 1 > Feb 21 10:54:01 hostname /sbin/kamailio[15854]: ERROR: tm [t_fwd.c:1777]: > t_forward_nonack(): ERROR: t_forward_nonack: failure to add branches > Feb 21 10:54:01 hostname /sbin/kamailio[15854]: ERROR: sl [sl_funcs.c:387]: > sl_reply_error(): ERROR: sl_reply_error used: Unresolvable destination > (478/SL) > > The ACK is as follows. It's from telephone 111111 which is using TLS, which > Kamailio listens for on port 5061. > Does anyone know which URI has the bad transport as per the error above? > Might it be the From URI "sips:[email protected]" because it doesn't > specify port 5061? > Thank you in advance. > > Session Initiation Protocol (ACK) > Request-Line: ACK sips:[email protected]:5070 SIP/2.0 > Message Header > Via: SIP/2.0/TLS 50.78.yy.yy:5061;branch=z9hG4bK741961203 > Route: <sips:70.42.xx.xx:5061;transport=tls;r2=on;lr=on> > Route: <sips:70.42.xx.xx;r2=on;lr=on> > From: ES8 Test 102 <sips:[email protected] > >;tag=Nf5GG!Orq!MSmGfeu66F03F2114df82b > To: <sips:[email protected]:5061>;tag=as7a72b209 > Call-ID: [email protected] > CSeq: 94679 ACK > Contact: <sips:[email protected]:5061;transport=tls> > Max-Forwards: 70 > User-Agent: ewb2bua/15.3.0 > Content-Length: 0 > > -- > David Cunningham, Voisonics Limited > http://voisonics.com/ > USA: +1 213 221 1092 > New Zealand: +64 (0)28 2558 3782 > _______________________________________________ > Kamailio (SER) - Users Mailing List > [email protected] > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users -- 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/ _______________________________________________ Kamailio (SER) - Users Mailing List [email protected] https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
