[OpenSIPS-Users] B2B and "404 Not here"
Bogdan-Andrei Iancu
bogdan at opensips.org
Wed Jan 19 12:28:12 CET 2011
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"
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