[OpenSIPS-Users] can not get uac_redirect to work

[Bogdan-Andrei Iancu]

Hi Babak,

Are you somehow doing any fix_nated_contact() for that 302 reply?? 
(maybe in the onreply_route)

Regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
   https://www.opensips-solutions.com
OpenSIPS Bootcamp 5-16 Dec 2022, online
   https://www.opensips.org/training/OpenSIPS_eBootcamp_2022/

On 11/15/22 3:02 PM, Babak Yakhchali wrote:
> Hi
> I'm tryin to handle 302 redirect replies to opensips, In my failure 
> route I have this:
>
> if (t_check_status("30[12]") && $(<reply>hdr(X-xferByCharger))== "true") {
>
>       xlog("failure_route: redirect by charger to 
> $(<reply>hdr(Contact))");
>       ....
>
>       if (get_redirects(1,1)){
>           xlog("failure_route: after redirect ru:$ru and du:$du");
>            t_relay();
>       }
>         exit;
> }
>
> and the 302 msg is:
> 2022/11/15 15:29:25.253868 10.0.0.82:5060 <http://10.0.0.82:5060> -> 
> 10.0.0.192:5060 <http://10.0.0.192:5060>
> SIP/2.0 302 Moved Temporarily
> Via: SIP/2.0/UDP 10.0.0.192:5060;branch=z9hG4bK4897.63b48a64.0
> Via: SIP/2.0/UDP 
> 172.18.120.236:49276;received=80.191.36.252;rport=49276;branch=z9hG4bK14771
> Max-Forwards: 69
> From: "" <sip:123456 at my-domain.com 
> <mailto:sip%3A123456 at my-domain.com>>;tag=5447
> To: <sip:123456@ my-domain.com:5060 
> <http://my-domain.com:5060>>;tag=6Dyya5c1yvpQK
> Call-ID: 21726
> CSeq: 20 INVITE
> *Contact: "unknown" <sip:123456 at 10.0.0.109 
> <mailto:sip%3A123456 at 10.0.0.109>>*
> User-Agent: 
> FreeSWITCH-mod_sofia/1.9.0+git~20190122T161705Z~5ac757ce54~64bit
> Accept: application/sdp
> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, 
> REGISTER, REFER, NOTIFY
> Supported: timer, path, replaces
> Allow-Events: talk, hold, conference, refer
> Reason: Q.850;cause=31;text="NORMAL_UNSPECIFIED"
> Content-Length: 0
>
> and opensips logs:
> Nov 15 15:52:12 lta-opensips-stage /usr/sbin/opensips[40099]: 
> DBG:uac_redirect:get_redirect: resume branch=0
> Nov 15 15:52:12 lta-opensips-stage /usr/sbin/opensips[40099]: 
> DBG:uac_redirect:get_redirect: checking branch=0 (added=0)
> Nov 15 15:52:12 lta-opensips-stage /usr/sbin/opensips[40099]: 
> DBG:uac_redirect:get_redirect: branch=0 is a redirect (added=0)
> Nov 15 15:52:12 lta-opensips-stage /usr/sbin/opensips[40099]: 
> DBG:core:parse_headers: flags=ffffffffffffffff
> *Nov 15 15:52:12 lta-opensips-stage /usr/sbin/opensips[40099]: 
> DBG:uac_redirect:sort_contacts: sort_contacts: 
> <sip:123456 at 10.0.0.82:5060 <http://sip:123456@10.0.0.82:5060>> q=10*
> Nov 15 15:52:12 lta-opensips-stage /usr/sbin/opensips[40099]: 
> DBG:uac_redirect:shmcontact2dset: 1 contacts remaining after filtering 
> and sorting
> Nov 15 15:52:12 lta-opensips-stage /usr/sbin/opensips[40099]: 
> DBG:uac_redirect:shmcontact2dset: adding contact 
> <sip:123456 at 10.0.0.82:5060 <http://sip:123456@10.0.0.82:5060>>
> Nov 15 15:52:12 lta-opensips-stage /usr/sbin/opensips[40099]: 
> DBG:core:pv_get_dsturi: no destination URI
> Nov 15 15:52:12 lta-opensips-stage /usr/sbin/opensips[40099]: 
> DBG:tracer:is_id_traced: trace=on dyn=off
> Nov 15 15:52:12 lta-opensips-stage /usr/sbin/opensips[40099]: 
> DBG:tracer:is_id_traced: trace=on dyn=off
> Nov 15 15:52:12 lta-opensips-stage /usr/sbin/opensips[40099]: 
> DBG:tracer:sip_context_trace_impl: name hep_tid, hash 1710534437, type 
> 0, traceable on
> Nov 15 15:52:12 lta-opensips-stage /usr/sbin/opensips[40099]: 
> DBG:proto_hep:add_hep_chunk: Chunk with (id=17; vendor=0) not found! 
> Creating!
> Nov 15 15:52:12 lta-opensips-stage /usr/sbin/opensips[40099]: 
> DBG:proto_hep:add_hep_chunk: Hep chunk with (id=17; vendor=0) 
> successfully built!
> Nov 15 15:52:12 lta-opensips-stage /usr/sbin/opensips[40099]: 
> DBG:core:mk_proxy: doing DNS lookup...
> Nov 15 15:52:12 lta-opensips-stage /usr/sbin/opensips[40099]: 
> failure_route: after redirect *ru:sip:123456 at 10.0.0.82:5060 
> <http://ru:sip:123456@10.0.0.82:5060> and du:<null>*
>
> Reading uac_redirect docs I expect that Contact header to be used as a 
> new destination but the original ru is used again!
>
>
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