Re: [SR-Users] loose_route() and FQDN

Daniel, Yes, it is. alias=... Also tried with listen = IP advertise FQDN same behavior, loose_route() stops acting correctly. PS: Forgot to add, Kamailio 5.4.3 / 5.4.4 Regards, Igor On 07.05.2021 13:21, Daniel-Constantin Mierla wrote: > > Hello, > > is the KAMAILIO_FQDN set as local domain for Kamailio (via alias > parameter or domain module+register myself)? > > Cheers, > Daniel > > On 07.05.21 11:17, Igor Olhovskiy wrote: >> >> Hello, >> >> I saw there are some topics on this already and carefully walked >> through all of them, but can't solve following issue. >> >> For a reason I do need that in Record-Route header sent to endpoint >> would present FQDN. If it matters, it's UDP/WSS conversion done on >> Kamailio. >> >> So, scheme is quite simple >> >> Enpoint A  ->UDP-> Kamailio ->WSS-> Endpoint B (NAT) >> >> Main issue here, that if in Record-Route headers it's FQDN, but not >> IP addresses, on a new transactions with a dialog (ACK on 200, >> PRACK, BYE), Kamailio*loose_route()* function resolves address of >> destination not current dialog, but actual R-URI (or itself, if >> R-URI is something from WebRTC world) that is not correct due to NAT. >> >> If in RR headers IP addresses are present - all is working as expected. >> >> As an example (RR with FQDN) >> >> B answers 200 >> >> SIP/2.0 200 OK >> Record-Route: >> <sip:KAMAILIO_FQDN:8089;transport=ws;r2=on;lr=on;ftag=0a3e31a6-96ad-42d0-9310-81b35cedbd3d;nat=wss> >> Record-Route: >> <sip:KAMAILIO_FQDN;r2=on;lr=on;ftag=0a3e31a6-96ad-42d0-9310-81b35cedbd3d;nat=wss> >> Via: SIP/2.0/UDP <A_IP_ADDRESS>:5060;received=A IP >> ADDRESS;rport=5060;branch=z9hG4bKPj67fb6d86-97d7-4231-995b-e54b0f62881e >> To: <sip:88290@<KAMAILIO_FQDN>>;tag=hvra7mj3q0 >> From: >> <sip:+XXXX7688881@<KAMAILIO_FQDN>>;tag=0a3e31a6-96ad-42d0-9310-81b35cedbd3d >> Call-ID: 46f44741-d155-4dd5-8fd8-78e540fc1acb >> CSeq: 18326 INVITE >> Contact: <sip:88290@toleivu2gdbh.invalid;transport=wss> >> Allow: ACK,CANCEL,INVITE,MESSAGE,BYE,OPTIONS,INFO,NOTIFY,REFER >> Supported: outbound >> Content-Type: application/sdp >> Content-Length: 817 >> >> >> ACK looks like >> >> ACK sip:88290@toleivu2gdbh.invalid;transport=wss SIP/2.0 >> Via: SIP/2.0/UDP >> A_IP_ADDRESS:5060;rport;branch=z9hG4bKPj8d05548a-91ef-4332-8617-32f8eeebf8f2 >> From: <sip:88881@A_IP_ADDRESS>;tag=0a3e31a6-96ad-42d0-9310-81b35cedbd3d >> To: <sip:88290@KAMAILIO_FQDN>;tag=hvra7mj3q0 >> Call-ID: 46f44741-d155-4dd5-8fd8-78e540fc1acb >> CSeq: 18326 ACK >> Route: >> <sip:FQDN;lr;r2=on;ftag=0a3e31a6-96ad-42d0-9310-81b35cedbd3d;nat=wss> >> Route: >> <sip:FQDN:8089;transport=ws;lr;r2=on;ftag=0a3e31a6-96ad-42d0-9310-81b35cedbd3d;nat=wss> >> Max-Forwards: 70 >> User-Agent: Asterisk PBX 13.33.0 >> Content-Length:  0 >> >> And Kamailio on *loose_route()* loops ACK to itself. (with result of >> function == 1) >> >> In a case if in Record-Route/Route headers just IP address of >> Kamailio present, all works as expected, but it's not really >> behavior I want to achieve. >> >> I've tried to play with *record_route_preset("...")* specifying only >> WSS part (as suggested in >> https://skalatan.de/de/blog/kamailio-sbc-teams) with FQDN, but no luck. >> >> Also wanted to try approach using record_route_preset() function in >> branch route, but it was working only with first branch, not >> affecting others (but I assume having different RR headers across >> branches is not a good idea) >> >> -- >> Regards, >> Igor >> >> __________________________________________________________ >> Kamailio - Users Mailing List - Non Commercial Discussions >> *sr-users(a)lists.kamailio.org >> Important: keep the mailing list in the recipients, do not reply only to the sender! >> Edit mailing list options or unsubscribe: >> *https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users > -- > Daniel-Constantin Mierla --www.asipto.com > www.twitter.com/miconda --www.linkedin.com/in/miconda > Kamailio Advanced Training - Online > May 17-20, 2021 (Europe Timezone) - June 7-10, 2021 (America Timezone) > *https://www.asipto.com/sw/kamailio-advanced-training-online/