[OpenSIPS-Users] B2B and "404 Not here"

Wed Jan 19 11:03:55 CET 2011

Bogdan,

If you point me to source code I can do debug.

> 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
> 
> 
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