Hi, 1. Do you have a failure_route for this transaction? If so, can you provide it?
2. Make sure the `failure_reply_mode` modparam for TM is set to 3, which is default anyway: https://kamailio.org/docs/modules/5.1.x/modules/tm.html#tm.p.failure_reply_mode -- Alex On Mon, May 14, 2018 at 11:33:15AM -0400, Sergiu Pojoga wrote: > Not sure if it's a default Kamailio behavior or something I'm doing wrong... > > When receiving a negative reply for an INVITE (more like in the 5xx range), > proxy doesn't relay the message to the originator but instead issues it's > own "500 Service Unavailable". > > That doesn't happen, from observations so far, to "603 Declined" or "486 > Busy Here" or "404 Not Found" or "200 OK" replies. > > *For example, here's the negative reply proxy receives from the callee:* > > 2018/05/14 10:52:37.716627 65.XX.XX.166:5060 -> 65.XX.XX.167:5060 > SIP/2.0 503 Service Unavailable > Via: SIP/2.0/UDP > 65.xx.xx.167;branch=z9hG4bK9223.00b4f3143d245a895c4bb6a107add258.0;received=65.xx.xx.167;rport=5060 > Via: SIP/2.0/UDP > 205.xx.xx.221;received=205.xx.xx.221;rport=5060;branch=z9hG4bKQ4XpXga0vgZ8B > From: "514XXXXXXX" <sip: 514XXXXXXX @205.xx.xx.221>;tag=tXj0NHrje9jNS > To: <sip:[email protected]>;tag=as18e452b7 > Call-ID: 48eac296-d229-1236-a685-005056a149a4 > CSeq: 122818714 INVITE > Server: Asterisk > Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, > PUBLISH, MESSAGE > Supported: replaces, timer > Session-Expires: 1800;refresher=uas > X-Asterisk-HangupCause: Subscriber absent > X-Asterisk-HangupCauseCode: 20 > Content-Length: 0 > > *Here's what the originator gets in the final message:* > > 2018/05/14 10:52:37.718143 65.xx.xx.167:5060 -> 205.xx.xx.221:5060 > SIP/2.0 500 Service Unavailable > Via: SIP/2.0/UDP > 205.xx.xx.221;rport=5060;branch=z9hG4bKQ4XpXga0vgZ8B;received=205.xx.xx.221 > From: "514XXXXXXX" <sip:[email protected]>;tag=tXj0NHrje9jNS > To: <sip:[email protected]>;tag=31a2c69b5d434ef4a60796e26f568bf0-9343 > Call-ID: 48eac296-d229-1236-a685-005056a149a4 > CSeq: 122818714 INVITE > Server: Kamailio 5.1 > Content-Length: 0 > > I'd like any reply to be relayed back as is, unless I do some > t_check_status() => t_reply() for specific reasons (which I have none at > this point). > > Thanks > Sergiu > _______________________________________________ > Kamailio (SER) - Users Mailing List > [email protected] > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users -- Alex Balashov | Principal | Evariste Systems LLC Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) Web: http://www.evaristesys.com/, http://www.csrpswitch.com/ _______________________________________________ Kamailio (SER) - Users Mailing List [email protected] https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
