[OpenSIPS-Users] B2B and "404 Not here"
Anton Zagorskiy
a.zagorskiy at oyster-telecom.ru
Wed Jan 19 12:33:48 CET 2011
Bogdan,
No, I'm using 1 opensips instance with B2B modules.
Latest script that I send is a test script for opensips that cause my
situation.
A 'openSIPS B2B -> openSIPS' in the SIP flow that I posted early means
loopback interface.
> -----Original Message-----
> From: users-bounces at lists.opensips.org [mailto:users-
> bounces at lists.opensips.org] On Behalf Of Bogdan-Andrei Iancu
> Sent: Wednesday, January 19, 2011 2:28 PM
> To: OpenSIPS users mailling list
> Subject: Re: [OpenSIPS-Users] B2B and "404 Not here"
>
> Anton,
>
> I understood from you that you are using 2 opensips instances - one as
> proxy, another one as b2bua - is this correct ?
>
> The script you posted here , which one is ?
>
> maybe having a sip capture of the call will help a bit (taken from both
> opensips)
>
> Regards,
> Bogdan
>
> Anton Zagorskiy wrote:
> > Hi, Bogdan.
> >
> > Please take a look - it is very small openSIPS cfg that cause
> described
> > situation.
> > When callee ends a call with this cfg a '404' is sending from line
> marked #
> > Here
> > It seems that BYE request is processing twice - one time in B2B (with
> to-tag
> > and 'route' header), second time in openSIPS (with to-tag but 'route'
> > header).
> >
> > What I missed in the config?
> >
> > route
> > {
> > xlog("*** route -> M=$rm R-URI=$ru F=$fu T=$tu SRC=[$si:$sp]
> > ID=$ci\n");
> >
> > if (has_totag())
> > {
> > if (loose_route())
> > {
> > if (is_method("INVITE"))
> > record_route();
> >
> > route(1);
> > }
> > else
> > {
> > if (is_method("ACK"))
> > {
> > if (t_check_trans())
> > t_relay();
> >
> > exit;
> > };
> >
> > sl_send_reply("404", "Not here"); # Here
> > };
> > exit;
> > }
> >
> >
> > if (loose_route())
> > {
> > xlog("L_ERR", "*** [ROUTE] : Attempt to route with
> preloaded
> > Routes [$fu/$tu/$ru/$ci]\n");
> >
> > if (!is_method("ACK"))
> > sl_send_reply("403", "Preload Route denied");
> >
> > exit;
> > };
> >
> > if (!is_method("REGISTER|MESSAGE"))
> > record_route();
> >
> > alias_db_lookup("dbaliases");
> >
> >
> > if (is_method("INVITE"))
> > {
> > if (src_ip != myself)
> > {
> > b2b_init_request("top hiding");
> > exit;
> > };
> >
> > if (!dp_translate("0", "$ru/$ru"))
> > {
> > sl_send_reply("405", "Error DP");
> > exit;
> > };
> >
> > if (!lookup("location", "m"))
> > {
> > sl_send_reply("405", "Error");
> > exit;
> > };
> >
> > route(1);
> > exit;
> > };
> >
> >
> > if (is_method("REGISTER"))
> > {
> > if (!save("location"))
> > sl_reply_error();
> >
> > exit;
> > };
> > }
> >
> >
> >
> > route[1]
> > {
> > if (!t_relay())
> > {
> > sl_reply_error();
> > exit;
> > };
> > }
> >
> >
> >
> >
> >
> > WBR, Anton Zagorskiy
> > VoIP Developer, Oyster Telecom
> > Phone.: +7 812 601-0666
> > Fax: +7 812 601-0593
> > a.zagorskiy at oyster-telecom.ru
> > www.oyster-telecom.ru
> >
> >
> >
> >
> >> -----Original Message-----
> >> From: users-bounces at lists.opensips.org [mailto:users-
> >> bounces at lists.opensips.org] On Behalf Of Anton Zagorskiy
> >> Sent: Wednesday, January 19, 2011 1:22 PM
> >> To: 'OpenSIPS users mailling list'
> >> Subject: Re: [OpenSIPS-Users] B2B and "404 Not here"
> >>
> >> Bogdan, you are right!
> >> I sent 404 from script because of BYE, that was sent from B2B to
> >> openSIPS is
> >> has_totag() but not loose_route()
> >>
> >>
> >>
> >>> -----Original Message-----
> >>> From: users-bounces at lists.opensips.org [mailto:users-
> >>> bounces at lists.opensips.org] On Behalf Of Bogdan-Andrei Iancu
> >>> Sent: Wednesday, January 19, 2011 1:02 PM
> >>> To: OpenSIPS users mailling list
> >>> Subject: Re: [OpenSIPS-Users] B2B and "404 Not here"
> >>>
> >>> Hi Anton,
> >>>
> >>> it seams that your opensips proxy generates the 404 - replies are
> not
> >>> by
> >>> default sent, so it must have been sent from script. I suspect your
> >>> sequential requests are not properly handled and it hits the
> >>> lookup(location) (which is for initial requests).
> >>>
> >>> Regards,
> >>> Bogdan
> >>>
> >>> Anton Zagorskiy wrote:
> >>>
> >>>> Hi Bogdan.
> >>>>
> >>>> I fixed the B2B loop, but openSIPS still replies 404.
> >>>>
> >>>> Please see on fragments on my SIP trace:
> >>>>
> >>>> SIP flow: UA1 (192.168.0.1) -> openSIPS(B2B) (192.168.0.10) ->
> >>>>
> >>> AudioCodes
> >>>
> >>>> mediant (192.168.0.20) -> UA2 (somewhere)
> >>>>
> >>>> 1. UA1 -> openSIPS : INVITE
> >>>> Via: SIP/2.0/UDP 192.168.0.1:5060;branch=z9hG4bK-5d365510
> >>>> From: "100" <sip:100 at mydomain.com>;tag=c8163c00327d8790o0
> >>>> Call-ID: 1e2e8c0-6deac1d0 at 92.255.16.121
> >>>>
> >>>>
> >>>> 2. openSIPS -> openSIPS B2B : INVITE
> >>>> Via: SIP/2.0/UDP 192.168.0.10;branch=z9hG4bKd30e.9c8687a6.0
> >>>> From: <sip:100 at mydomain.com>;tag=c53818ff531edab4595cc700e8d1209d
> >>>> Call-ID: B2B.154.4874498
> >>>>
> >>>>
> >>>> 3. openSIPS B2B -> Mediant : INVITE
> >>>> Record-Route:
> >>>>
> >>>>
> >>
> <sip:192.168.0.10;lr=on;ftag=c53818ff531edab4595cc700e8d1209d;did=c61.b
> >>
> >>> 305b6
> >>>
> >>>> 97>
> >>>> Via: SIP/2.0/UDP 192.168.0.10;branch=z9hG4bKd30e.ac8687a6.0
> >>>> Via: SIP/2.0/UDP 192.168.0.10;branch=z9hG4bKd30e.9c8687a6.0
> >>>> From: <sip:100 at mydomain.com>;tag=c53818ff531edab4595cc700e8d1209d
> >>>> Call-ID: B2B.154.4874498
> >>>>
> >>>> After negotiation:
> >>>>
> >>>> 4. Mediant -> openSIPS B2B : OK
> >>>> Via: SIP/2.0/UDP 192.168.0.10;branch=z9hG4bKd30e.ac8687a6.0
> >>>> Via: SIP/2.0/UDP 192.168.0.10;branch=z9hG4bKd30e.9c8687a6.0
> >>>> From: <sip:100 at mydomain.com>;tag=c53818ff531edab4595cc700e8d1209d
> >>>> To: sip:xxx at mydomain.com;tag=1c904270116
> >>>> Call-ID: B2B.154.4874498
> >>>>
> >>>>
> >>>> 5. openSIPS B2B -> openSIPS : OK
> >>>> Via: SIP/2.0/UDP 192.168.0.10;branch=z9hG4bKd30e.9c8687a6.0
> >>>> From: <sip:100 at mydomain.com>;tag=c53818ff531edab4595cc700e8d1209d
> >>>> To: sip:xxx at mydomain.com;tag=1c904270116
> >>>> Call-ID: B2B.154.4874498
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> And BYE:
> >>>>
> >>>> 5. Medaint -> openSIPS B2B : BYE
> >>>> Request-Line: BYE sip:192.168.0.10:5060;transport=udp SIP/2.0
> >>>> Via: SIP/2.0/UDP 192.168.0.20;branch=z9hG4bKac1061035722
> >>>> From: sip:xxx at mydomain.com;tag=1c904270116
> >>>> To: <sip:100 at mydomain.com>;tag=c53818ff531edab4595cc700e8d1209d
> >>>> Call-ID: B2B.154.4874498
> >>>>
> >>>>
> >>>> 6. openSIPS B2B -> openSIPS : BYE
> >>>> Request-Line: BYE
> >>>>
> >>>>
> >>
> sip:192.168.0.1;lr=on;ftag=c53818ff531edab4595cc700e8d1209d;did=c61.b30
> >>
> >>> 5b697
> >>>
> >>>> SIP/2.0
> >>>> Via: SIP/2.0/UDP 192.168.0.10;branch=z9hG4bK3a1c.42ce8c57.0
> >>>> Via: SIP/2.0/UDP 192.168.0.20;branch=z9hG4bKac1061035722
> >>>> From: sip:xxx at mydomain.com;tag=1c904270116
> >>>> To: <sip:100 at mydomain.com>;tag=c53818ff531edab4595cc700e8d1209d
> >>>> Call-ID: B2B.154.4874498
> >>>>
> >>>>
> >>>> And, openSIPS replies to B2B '404'
> >>>>
> >>>>
> >>>> I see 2 potential moments:
> >>>> 1) I'm changing 'From' field on stage 2.
> >>>> 2) On stage 3 a field 'Contact' is "Contact:
> >>>> <sip:192.168.0.10:5060;transport=udp>" althought I defined
> >>>> "modparam("b2b_logic", "server_address", "sip:sa at 192.168.0.10")"
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> WBR, Anton Zagorskiy
> >>>> VoIP Developer, Oyster Telecom
> >>>> Phone.: +7 812 601-0666
> >>>> Fax: +7 812 601-0593
> >>>> a.zagorskiy at oyster-telecom.ru
> >>>> www.oyster-telecom.ru
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>> -----Original Message-----
> >>>>> From: users-bounces at lists.opensips.org [mailto:users-
> >>>>> bounces at lists.opensips.org] On Behalf Of Bogdan-Andrei Iancu
> >>>>> Sent: Tuesday, January 18, 2011 3:57 PM
> >>>>> To: OpenSIPS users mailling list
> >>>>> Subject: Re: [OpenSIPS-Users] B2B and "404 Not here"
> >>>>>
> >>>>> Hi Anton,
> >>>>>
> >>>>> The ERROR line you have here are not essential - they simply say
> >>>>>
> >>> that
> >>>
> >>>>> the warning (optional) hdr was not added. Not an actual error.
> >>>>>
> >>>>> Can you check doing a capture at net level who is generating the
> >>>>>
> >> 404
> >>
> >>>>> reply? from opensips script, for final callee ?
> >>>>>
> >>>>> Regards,
> >>>>> Bogdan
> >>>>>
> >>>>>
> >>>>> Anton Zagorskiy wrote:
> >>>>>
> >>>>>
> >>>>>> Hi.
> >>>>>>
> >>>>>> While using B2B when callee ends an established call openSIPS
> >>>>>>
> >>> replies
> >>>
> >>>>> '404
> >>>>>
> >>>>>
> >>>>>> Not Here' and goes to the infinitive loop..
> >>>>>>
> >>>>>> Here is a part of a log:
> >>>>>> Jan 17 19:01:25 softswitch [softswitch][9329]: *** route ->
> >>>>>>
> >> M=BYE
> >>
> >>>>>> Jan 17 19:01:25 softswitch [softswitch][9329]:
> >>>>>>
> >>>>>>
> >>>>> DBG:maxfwd:is_maxfwd_present:
> >>>>>
> >>>>>
> >>>>>> value = 32
> >>>>>> Jan 17 19:01:25 softswitch [softswitch][9329]:
> >>>>>>
> >>>>>>
> >>>>> DBG:maxfwd:is_maxfwd_lt:
> >>>>>
> >>>>>
> >>>>>> value = 31
> >>>>>> Jan 17 19:01:25 softswitch [softswitch][9329]:
> DBG:uri:has_totag:
> >>>>>>
> >>>>>>
> >>>>> totag
> >>>>>
> >>>>>
> >>>>>> found
> >>>>>> Jan 17 19:01:25 softswitch [softswitch][9329]:
> >>>>>>
> >>>>>>
> >>>>> DBG:core:parse_headers:
> >>>>>
> >>>>>
> >>>>>> flags=200
> >>>>>> Jan 17 19:01:25 softswitch [softswitch][9329]:
> >>>>>>
> >>>>>>
> >>>>> DBG:rr:find_first_route: No
> >>>>>
> >>>>>
> >>>>>> Route headers found
> >>>>>> Jan 17 19:01:25 softswitch [softswitch][9329]:
> >>>>>>
> >> DBG:rr:loose_route:
> >>
> >>>>> There is
> >>>>>
> >>>>>
> >>>>>> no Route HF
> >>>>>> Jan 17 19:01:25 softswitch [softswitch][9329]:
> >>>>>>
> >>>>>>
> >>>>> DBG:core:parse_headers:
> >>>>>
> >>>>>
> >>>>>> flags=ffffffffffffffff
> >>>>>> Jan 17 19:01:25 softswitch [softswitch][9329]:
> >>>>>>
> >>>>>>
> >>>>> DBG:core:check_ip_address:
> >>>>>
> >>>>>
> >>>>>> params 192.168.0.2, 192.168.0.2, 0
> >>>>>> Jan 17 19:01:25 softswitch [softswitch][9329]:
> >>>>>>
> >>>>>>
> >>>>> ERROR:core:warning_builder:
> >>>>>
> >>>>>
> >>>>>> buffer size exceeded
> >>>>>> *** Jan 17 19:01:25 softswitch [softswitch][9329]:
> >>>>>> WARNING:core:build_res_buf_from_sip_req: warning skipped -- too
> >>>>>>
> >> big
> >>
> >>>>>> Jan 17 19:01:25 softswitch [softswitch][9329]:
> >>>>>>
> >>>>>>
> >>>>> DBG:sl:run_sl_callbacks:
> >>>>>
> >>>>>
> >>>>>> callback id 0 entered
> >>>>>> Jan 17 19:01:25 softswitch [softswitch][9329]:
> >>>>>> DBG:siptrace:trace_sl_onreply_out: trace off...
> >>>>>> Jan 17 19:01:25 softswitch [softswitch][9330]:
> >>>>>>
> >> DBG:core:parse_msg:
> >>
> >>>>> SIP Reply
> >>>>>
> >>>>>
> >>>>>> (status):
> >>>>>> Jan 17 19:01:25 softswitch [softswitch][9329]:
> >>>>>>
> >>>>>>
> >>>>> DBG:core:destroy_avp_list:
> >>>>>
> >>>>>
> >>>>>> destroying list (nil)
> >>>>>> Jan 17 19:01:25 softswitch [softswitch][9329]:
> >>>>>>
> >>> DBG:core:receive_msg:
> >>>
> >>>>>> cleaning up
> >>>>>> Jan 17 19:01:25 softswitch [softswitch][9330]:
> >>>>>>
> >> DBG:core:parse_msg:
> >>
> >>>>> version:
> >>>>>
> >>>>>
> >>>>>> <SIP/2.0>
> >>>>>> Jan 17 19:01:25 softswitch [softswitch][9330]:
> >>>>>>
> >> DBG:core:parse_msg:
> >>
> >>>>> status:
> >>>>>
> >>>>>
> >>>>>> <404>
> >>>>>> Jan 17 19:01:25 softswitch [softswitch][9330]:
> >>>>>>
> >> DBG:core:parse_msg:
> >>
> >>>>> reason:
> >>>>>
> >>>>>
> >>>>>> <Not here>
> >>>>>> Jan 17 19:01:25 softswitch [softswitch][9330]:
> >>>>>>
> >>>>>>
> >>>>> DBG:core:parse_headers:
> >>>>>
> >>>>>
> >>>>>> flags=2
> >>>>>>
> >>>>>>
> >>>>>> While debugging at line marked *** I see that warning_len is 0
> >>>>>>
> >>>>>>
> >>>>>> Any suggestions?
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> WBR, Anton Zagorskiy
> >>>>>> VoIP Developer, Oyster Telecom
> >>>>>> Phone.: +7 812 601-0666
> >>>>>> Fax: +7 812 601-0593
> >>>>>> a.zagorskiy at oyster-telecom.ru
> >>>>>> www.oyster-telecom.ru
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> _______________________________________________
> >>>>>> Users mailing list
> >>>>>> Users at lists.opensips.org
> >>>>>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>> --
> >>>>> Bogdan-Andrei Iancu
> >>>>> OpenSIPS Event - expo, conf, social, bootcamp
> >>>>> 2 - 4 February 2011, ITExpo, Miami, USA
> >>>>> OpenSIPS solutions and "know-how"
> >>>>>
> >>>>>
> >>>>> _______________________________________________
> >>>>> Users mailing list
> >>>>> Users at lists.opensips.org
> >>>>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
> >>>>>
> >>>>>
> >>>> _______________________________________________
> >>>> Users mailing list
> >>>> Users at lists.opensips.org
> >>>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
> >>>>
> >>>>
> >>>>
> >>> --
> >>> Bogdan-Andrei Iancu
> >>> OpenSIPS Event - expo, conf, social, bootcamp
> >>> 2 - 4 February 2011, ITExpo, Miami, USA
> >>> OpenSIPS solutions and "know-how"
> >>>
> >>>
> >>> _______________________________________________
> >>> Users mailing list
> >>> Users at lists.opensips.org
> >>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
> >>>
> >> _______________________________________________
> >> Users mailing list
> >> Users at lists.opensips.org
> >> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
> >>
> >
> >
> > _______________________________________________
> > Users mailing list
> > Users at lists.opensips.org
> > http://lists.opensips.org/cgi-bin/mailman/listinfo/users
> >
> >
>
>
> --
> Bogdan-Andrei Iancu
> OpenSIPS Event - expo, conf, social, bootcamp
> 2 - 4 February 2011, ITExpo, Miami, USA
> OpenSIPS solutions and "know-how"
>
>
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
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