[SR-Users] Transaction Lookup Failing

Daniel-Constantin Mierla miconda at gmail.com
Mon Apr 10 11:45:20 CEST 2017


Ahh, I read first the initial email and already I responded to it, so
ignore that one -- anyhow, there should be good hints for someone facing
similar situation.

Cheers,
Daniel


On 09.04.17 03:28, Colin Morelli wrote:
> Apologies for the false alarm here - Kamailio was not to blame.
>
> There was a code change in a recent version of PJSIP that resulted in
> the second Via header not including the src port that the request
> originated from. Effectively this meant that the Via header was not an
> exact match for the invite, which caused the transaction to not match.
> Through some configuration changes in PJSIP I was able to work around
> this.
>
> Best,
> Colin
>
> On Sat, Apr 8, 2017 at 7:56 PM, Colin Morelli <colin.morelli at gmail.com
> <mailto:colin.morelli at gmail.com>> wrote:
>
>     Hey all,
>
>     Trying to debug an issue with canceling an invite. I have two
>     different types of clients. On one client, canceling an invite
>     works correctly. With the other client, it t_check_trans fails.
>
>     Both clients show the same request/responses:
>
>     On Client A:
>     -> INVITE
>     <- 183
>     -> PRACK
>     <- 200
>     -> UPDATE (from successful STUN binding)
>     <- 200
>     -> CANCEL
>     <- 200
>
>     On Client B:
>     -> INVITE
>     <- 183
>     -> PRACK
>     <- 200
>     -> UPDATE (from successful STUN binding)
>     <- 200
>     -> CANCEL
>     <- 481 (this is sent from my kamailio script when t_check_trans fails)
>
>     I can't see much that's different between the leading
>     requests/responses of each. They seem to be virtually identical
>     (with the exception of IP addresses and tag values, of course).
>     This makes sense, since they're both based on PJSIP (albeit
>     different versions of PJSIP, but not off by much)
>
>     Is there anything in particular I should be looking out for that
>     might be obvious? I could provide more detailed logs and traces if
>     required.
>
>     Best,
>     Colin
>
>
>
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users at lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

-- 
Daniel-Constantin Mierla
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio Advanced Training - May 22-24 (USA) - www.asipto.com
Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.sip-router.org/pipermail/sr-users/attachments/20170410/dfb51f04/attachment.html>


More information about the sr-users mailing list