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

[Anton Zagorskiy]

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"
> 
> 
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