Thanks for the feedback. It's tricky, alright, making all of these things work together. Asterisk should not be re-writing the RR header fields, alright. At least you found a solution. I can't think of anything better than that, if it works for you.
James On Wed, 3 May 2023 at 17:07, Dr. Barabás Péter <dr.peter.bara...@gmail.com> wrote: > > Hi James, > > > > thanks for the reply. Yes, record_route() is used in INVITE request. > > Meanwhile I found the cause I think here: > > https://community.asterisk.org/t/asterisk-rewrites-record-route-header-with-incorrect-tcp-port/91202 > > > > So the Record-Route header contains kamailio’s IP and listening TLS port 443 > until asterisk. When asterisk sends back 200/OK, it rewrites the port and > client wants to send ACK to this port which is not a listening port of > kamailio. > > My quick (but don’t know if proper) solution is that in reply route of INVITE > I check that If replay comes from asterisk, I add the following: > > > > if (route(FROMASTERISK)) { > > remove_hf("Record-Route"); > > append_hf("Record-Route: sips:KAMAILIO_IP:443;transport=TLS\r\n"); > > } > > > > Now the ACK can go back to kamailio which forward it to asterisk. > > There was another problem with ACK when it contains private IP, the > fix_nated_contact() in on_reply route solved this. > > > > Peter > > > > > > From: James Browne <ja...@frideo.com> > Date: Wednesday, 2023. May 3. 17:17 > To: Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org> > Subject: [SR-Users] Re: Kamailio - asterisk - ACK > > If the 200-OK to client A also contains Record-Route header fields, > then the routing of the ACK from client A should be done using that > route, not using the internal IP address of asterisk. > Are you using record_route() function from the rr module? > > James > > On Wed, 26 Apr 2023 at 09:20, Péter Dr. Barabás > <dr.peter.bara...@gmail.com> wrote: > > > > Hi all, > > > > > > > > we are developing a softphone mobile application which registers to > > asterisk through kamailio. Kamailo proxies the request to asterisk and > > replies from asterisk to the clients. > > > > Registration works fine with asterisk authentication. The problem appears > > in the following flow: > > > > Mobile client A calls client B. > > Asterisk gets INVITE through kamailo, sends back 401, and get INVITE with > > credentials. > > Asterisk sends invite to client B towards kamailio. > > Kamailio forwards INVITE if client is registered or sends a push > > notification to client B. When client B registers, kamailio continue the > > suspended transaction and forwards INVITE. > > Client B gets INVITE, sends a SIP OK. > > Asterisk gets SIP OK through kamailio and sends an ACK to client B, which > > is OK. > > Asterisk sends the SIP OK to client A through kamailio. > > Kamailio forwards SIP OK to client A but the contact address contains the > > asterisk IP instead kamailio. > > Clilent A try to send ACK but it does not arrive to asterisk, and the call > > will be hungup after 30 secs. > > > > > > > > So the question is what is missing, what is the correct solution? I try to > > use the provided configuration given in following link: > > > > https://kb.asipto.com/asterisk:realtime:kamailio-4.0.x-asterisk-11.3.0-astdb > > > > > > > > The difference is that kamailio has no access to asterisk database. > > > > > > > > Thanks for your help. > > > > > > > > With kind regards, > > > > Peter > > > > > > > > __________________________________________________________ > > Kamailio - Users Mailing List - Non Commercial Discussions > > To unsubscribe send an email to sr-users-le...@lists.kamailio.org > > Important: keep the mailing list in the recipients, do not reply only to > > the sender! > > Edit mailing list options or unsubscribe: > __________________________________________________________ > Kamailio - Users Mailing List - Non Commercial Discussions > To unsubscribe send an email to sr-users-le...@lists.kamailio.org > Important: keep the mailing list in the recipients, do not reply only to the > sender! > Edit mailing list options or unsubscribe: > > __________________________________________________________ > Kamailio - Users Mailing List - Non Commercial Discussions > To unsubscribe send an email to sr-users-le...@lists.kamailio.org > Important: keep the mailing list in the recipients, do not reply only to the > sender! > Edit mailing list options or unsubscribe: __________________________________________________________ Kamailio - Users Mailing List - Non Commercial Discussions To unsubscribe send an email to sr-users-le...@lists.kamailio.org Important: keep the mailing list in the recipients, do not reply only to the sender! Edit mailing list options or unsubscribe:
