[SR-Users] Problem with Route containing two elements

davy van de moere davy.van.de.moere at gmail.com
Wed Oct 12 09:30:34 CEST 2011


Owki, reading RFC-3261 again ;)

Imho Kamailio does what it is supposed to do, it forwards the packet to the
first element in the Route header.

But as I received the BYE packet from <sip:their_sbc> , that one should have
stripped itself out of the Route header, making everything just work, right?

Now I can hackishly fix it with a rewritehostport in the middle. But that
will eventually not scale up that nicely. Ergo, does anyone have a good idea
on how to e.g. have Kamailio in this situation ignore the first uri in the
route header? Or am I still not getting it :) ?

thx !

BYE sip:05xxxxxx at my_kamailio
<http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users>:5060;transport=udp
SIP/2.0
Record-Route: <sip:their_sbc;lr=on;ftag=as5716fec8>
Via: SIP/2.0/UDP their_sbc;branch=z9hG4bK1ae8.269e4f67.0
Via: SIP/2.0/UDP
their_internals:5060;received=their_internals;branch=z9hG4bK4f9044a7;rport=5060
Route:
<sip:their_sbc;lr=on;ftag=as5716fec8>,<sip:36d0a5cfbaeb6b055d5bb02c32127b49_32123456789
at my_kamailio <http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users>
;lr=on;ftag=as5716fec8>
Max-Forwards: 69
From: "Some_Telecom" <sip:02xxxxxxxx at their_sbc
<http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users>>;tag=as5716fec8
To: <sip:05xxxxxx at their_sbc
<http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users>:5060>;tag=U3FrFDm5Zr0KF
Call-ID: 68fe6a470986bd087ce4ed860f603af6 at their_sbc
<http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users>
CSeq: 103 BYE
User-Agent: Integrics Enswitch
X-Asterisk-HangupCause: Normal Clearing
X-Asterisk-HangupCauseCode: 16
Content-Length: 0
X-Enswitch-RURI: sip:05xxxxxx at my_kamailio
<http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users>:5060;transport=udp
X-Enswitch-Source: their_internals:5060
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