Hello, I haven't worked on the dmq replication for dialogs, so not sure why that state is not replicated, but I think that would be the right solution if the lack of replication creates issues.
Cheers, Daniel On Mon, Jul 1, 2019 at 12:34 PM Mathieu Bodjikian < mathieu.bodjik...@corp.ovh.com> wrote: > Hello, > > We are using DMQ module to sync dialogs between 3 Kamailio boxes. > > We are using last Kamailio version (5.2.3). > > From our understanding, the state DLG_STATE_CONFIRMED_NA is not synced > over DMQ ( > https://github.com/kamailio/kamailio/blob/a84a3ea618f0e602a8892c37fce7f4e72ab7371c/src/modules/dialog/dlg_dmq.c#L464 > ) > > With containerized environement, the ACK's can go to any Kamailio > instance, which lead to : > > On first box : > -> INVITE received -> Dialog created + KDMQ sent (state > DLG_STATE_UNCONFIRMED) > -> 180 | 183 received -> Dialog updated + KDMQ sent (state > DLG_STATE_EARLY) > -> 200 received -> Dialog updated + KDMQ NOT sent > (DLG_STATE_CONFIRMED_NA) > > On second box : > -> ACK received : > - next_state_dlg(): bogus event 6 in state 2 for dlg > - dialog not updated > - KDMQ with state DLG_STATE_CONFIRMED not sent > > > On first box, after timeout : > -> After timeout : > - dialg with incorrect timeouts (since box2 didn't send dialog > update) > - tm sends BYE in both ways > - bye_reply_cb(): inconsitent dlg timer data on dlg > > > > We see two solutions : > - We add DLG_STATE_CONFIRMED_NA to states we sync on > dlg_dmq_replicate_action > > - We manage to route the ACK on the same instance that received first > INVITE (could be tricky) > > > Which one is preferable ? > > > Kind regards, > Mathieu Bodjikian > > _______________________________________________ > Kamailio (SER) - Users Mailing List > sr-users@lists.kamailio.org > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users > -- Daniel-Constantin Mierla - http://www.asipto.com http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
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