Hello, it appears that 100 trying is attempted to be sent after a 503 -- so the dialog doesn't exist because it was not initiated completely. Can you check the network sip traffic for such case?
Cheers, Daniel On 10/11/15 21:22, Ryan Brindley wrote: > Hey community, > > Our current switch is being overloaded and when it does we're getting > these 2 messages spammed in our logs: > > WARNING: dialog [dlg_handlers.c:1127]: dlg_onroute(): unable to find > dialog for ACK with route param '35d.d2f1' [3411:7981] > > ERROR: tm [t_reply.c:1341]: t_should_relay_response(): ERROR: > t_should_relay_response: status rewrite by UAS: stored: 503, received: 100 > > > We're obviously working on not having the switch get so overloaded, > but I'm also curious to understand why it can't find the dialogs. Is > it a memory issue? Networking/dropping packets issue? > > I also imagine it's not as simple as a single overall answer either, > but nevertheless I figured I'd reach out to the community and see if > anyone has an understanding of what is happening and would be willing > to take a few mins to explain. > > Thanks in advance, > > Ryan Brindley > Software Development Officer > Stratics Networks, Inc. > 1.866.635.6918 x108 > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users@lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierla http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Book: SIP Routing With Kamailio - http://www.asipto.com Kamailio Advanced Training, Nov 30-Dec 2, Berlin - http://asipto.com/kat
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