[SR-Users] 4.4 topos ignoring Record-Route?

[Daniel-Constantin Mierla]

Hello,

can you try with git master branch? There were some fixes there which
were not ported yet (they will get into next 4.4.x release, which will
be sometime in the next 2 weeks).

Cheers,
Daniel


On 19/08/16 12:11, Daniel Tryba wrote:
> Looking into the topos module of 4.4.2 I see something unexpected, ACK and
> BYE are routed directly to the Contact in the 200 OK on an INVITE where
> the 200 OK has a Record-Route.
>
> Without the topos module the message flow is as expected:
> 109.235.32.57<->185.61.68.106<->109.235.32.55
> With topos the ACK and BYE take a different route:
> 109.235.32.57<->185.61.68.106<->109.235.32.55
>                              <->109.235.32.48
>
> 109.235.32.5x are proxies. 185.61.68.106 is the registrar
>
> To my understanding, in the callflow below the ACK should be send via
> the proxy that inserted Record-Route: <sip:109.235.32.55;lr> in the
> 200 OK. Am I wrong to conclude this or the topos module ignoring the 
> routing? 
>
> Also note the To/From are passed untouched in the ACK/BYE and the BYE to
> the called endpoint hasn't had its Via headers stripped.
>
> Call scenario:
> tryba/+31407110xxx calls 0880100XXX. Both are registered to
> 185.61.68.106 via proxies (resp. 109.235.32.57 and 109.235.32.55)
>
> From 109.235.32.57 -> 185.61.68.106:
> INVITE sip:0880100XXX at sip.itco.nl SIP/2.0
> Record-Route: <sip:109.235.32.57;r2=on;lr>
> Record-Route: <sip:109.235.32.57;transport=tcp;r2=on;lr>
> Via: SIP/2.0/UDP 109.235.32.57;branch=z9hG4bK7dd7.e15a4ffb2c3a7f882117b80c85f75223.0;i=60c
> Via: SIP/2.0/TCP 10.0.3.169:5067;rport=5067;received=109.235.34.226;branch=z9hG4bKb5004b60de287221
> Route: <sip:109.235.32.57;transport=tcp;lr>
> From: <sip:tryba at sip.itco.nl>;tag=576aff337d33fbe5
> To: <sip:0880100XXX at sip.itco.nl>
> Contact: <sip:tryba at 10.0.3.169:5067;transport=tcp;alias=109.235.34.226~5067~2>
>
> From 185.61.68.106 -> 109.235.32.55:
> INVITE sip:+31880100XXX at 109.235.32.48 SIP/2.0
> Via: SIP/2.0/UDP 185.61.68.106;branch=z9hG4bK7dd7.d4cdfe8014e0d5d806b4dc4a7422c8e0.1
> Route: <sip:loadbalancer at 109.235.32.55;lr;received=sip:109.235.32.48:5060>
> From: <sip:+31407110XXX at sip.itco.nl>;tag=576aff337d33fbe5
> To: <sip:+31880100XXX at sip.itco.nl>
> Contact: <sip:btpsh-57b6cc75-f42d-1 at 185.61.68.106>
>
> From 109.235.32.55 -> 185.61.68.106:
> SIP/2.0 200 OK
> Via: SIP/2.0/UDP 185.61.68.106;rport=5060;branch=z9hG4bK7dd7.d4cdfe8014e0d5d806b4dc4a7422c8e0.1
> Record-Route: <sip:109.235.32.55;lr>
> From: <sip:+31407110XXX at sip.itco.nl>;tag=576aff337d33fbe5
> To: <sip:+31880100XXX at sip.itco.nl>;tag=as61fc6a47
> Contact: <sip:%2b31880100XXX at 109.235.32.48>
>
> From 185.61.68.106 -> 109.235.32.57
> SIP/2.0 200 OK
> From: <sip:tryba at sip.itco.nl>;tag=576aff337d33fbe5
> To: <sip:0880100XXX at sip.itco.nl>;tag=as61fc6a47
> Via: SIP/2.0/UDP 109.235.32.57;branch=z9hG4bK7dd7.e15a4ffb2c3a7f882117b80c85f75223.0;i=60c,SIP/2.0/TCP 10.0.3.169:5067;rport=5067;received=109.235.34.226;branch=z9hG4bKb5004b60de287221
> Contact: <sip:atpsh-57b6cc75-f42d-2 at 185.61.68.106>
> Record-Route: <sip:109.235.32.57;r2=on;lr>,<sip:109.235.32.57;transport=tcp;r2=on;lr>
>
> From 109.235.32.57 -> 185.61.68.106:
> ACK sip:atpsh-57b6cc75-f42d-2 at 185.61.68.106 SIP/2.0
> Via: SIP/2.0/UDP 109.235.32.57;branch=z9hG4bK7dd7.a49ec0c055166a1935ff84cfca4d1a5c.0;i=60c
> Via: SIP/2.0/TCP 10.0.3.169:5067;rport=5067;received=109.235.34.226;branch=z9hG4bK24aff2df2ee7b43f
> From: <sip:tryba at sip.itco.nl>;tag=576aff337d33fbe5
> To: <sip:0880100XXX at sip.itco.nl>;tag=as61fc6a47
> Contact: <sip:tryba at 10.0.3.169:5067;transport=tcp;alias=109.235.34.226~5067~2>
>
>
> From 185.61.68.106 -> 109.235.32.48
> ACK sip:%2b31880100XXX at 109.235.32.48 SIP/2.0
> Via: SIP/2.0/UDP 185.61.68.106;branch=z9hG4bK7dd7.ac1b9a45042f9c26277afb9ec32bebe0.0
> From: <sip:tryba at sip.itco.nl>;tag=576aff337d33fbe5
> To: <sip:0880100XXX at sip.itco.nl>;tag=as61fc6a47
> Contact: <sip:btpsh-57b6cc75-f42d-1 at 185.61.68.106>
>
> From 109.235.32.57 -> 185.61.68.106
> BYE sip:atpsh-57b6cc75-f42d-2 at 185.61.68.106 SIP/2.0
> Via: SIP/2.0/UDP 109.235.32.57;branch=z9hG4bK4dd7.24da86af0a970ee399c9504933d8d751.0;i=60c
> Via: SIP/2.0/TCP 10.0.3.169:5067;rport=5067;received=109.235.34.226;branch=z9hG4bK0d8db1380c5011b6
> From: <sip:tryba at sip.itco.nl>;tag=576aff337d33fbe5
> To: <sip:0880100XXX at sip.itco.nl>;tag=as61fc6a47
>
> From 185.61.68.106 -> 109.235.32.48
> BYE sip:%2b31880100XXX at 109.235.32.48 SIP/2.0
> Via: SIP/2.0/UDP 185.61.68.106;branch=z9hG4bK4dd7.4916bf7bcaa3b0346e43c3785a9be782.0
> Via: SIP/2.0/UDP 109.235.32.57;branch=z9hG4bK4dd7.24da86af0a970ee399c9504933d8d751.0;i=60c
> Via: SIP/2.0/TCP 10.0.3.169:5067;rport=5067;received=109.235.34.226;branch=z9hG4bK0d8db1380c5011b6
> From: <sip:tryba at sip.itco.nl>;tag=576aff337d33fbe5
> To: <sip:0880100XXX at sip.itco.nl>;tag=as61fc6a47
>
>
>
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-- 
Daniel-Constantin Mierla
http://www.asipto.com - http://www.kamailio.org
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