[SR-Users] failure_route send 500 retry later

Carsten Bock lists at bock.info
Wed Aug 25 08:41:09 CEST 2010


Hi,

from the logs you see, that you proxy actually parses the "500 Try
later" reply, so it must have received it....
You should check, from where you receive the 500-error; then you could
see, if you want to adapt your config.

Carsten

2010/8/24 Alejandro Mellado G. <amellado at inf.uct.cl>:
> Hi' Carsten,
>
> Of course that t_on_failure is in request route.
> I think that  in kamailio is the problem, because the forward  not arrive to
> SEMS and kamilio log says:
>
>  2(96827) DEBUG: <core> [usr_avp.c:639]: DEBUG:destroy_avp_list: destroying
> list 0x0
>  2(96827) DEBUG: <core> [receive.c:280]: receive_msg: cleaning up
>  4(96829) DEBUG: <core> [parser/msg_parser.c:622]: SIP Reply  (status):
>  4(96829) DEBUG: <core> [parser/msg_parser.c:624]:  version: <SIP/2.0>
>  4(96829) DEBUG: <core> [parser/msg_parser.c:626]:  status: <500>
>  4(96829) DEBUG: <core> [parser/msg_parser.c:628]:  reason: <Retry Later>
>  4(96829) DEBUG: <core> [parser/parse_via.c:1283]: Found param type 232,
> <branch> = <z9hG4bK334b.74cc66f3.1>; state=16
>  4(96829) DEBUG: <core> [parser/parse_via.c:2296]: end of header reached,
> state=5
>
> ....
>
>  2(96827) DEBUG: tm [t_lookup.c:1150]: DEBUG: t_check_msg: msg id=5 global
> id=5 T end=0x28ce1af8
>  2(96827) DEBUG: tm [t_reply.c:1928]: DEBUG: reply_received: org. status
> uas=500, uac[0]=408 local=0 is_invite=1)
>  2(96827) DEBUG: tm [t_reply.c:1941]: DEBUG: reply to local CANCEL processed
>
>
> Thanks.
> Alejandro Mellado
>
> El 24/08/10 04:29, Carsten Bock escribió:
>>
>> Hi,
>>
>> did you add a "t_on_failure" in your request route? Your route works
>> for busy subscribers i guess?
>> The problem is likely, that your sip-router box receives a "500 Retry
>> later" from some endpoint (either the device or SEMS) and you have no
>> rule for handling 500-responses:
>>
>> if (t_check_status("486|408")) {
>>
>> You only forward to sems here, if your proxy receives a "486 Busy" or
>> a "408 Request timeout", not if it receives any other reply. You
>> should check, from where you receive the 500-reply; it is not
>> generated by the sip-router proxy.
>>
>> Carsten
>>
>> 2010/8/23 Alejandro Mellado G.<amellado at inf.uct.cl>:
>>
>>>
>>> Hi'
>>>
>>> I'm trying to forward the call to voicemail on sems when the time of
>>> response is out. When the user isn't in location, the forward to
>>> voicemail
>>> work very fine ( $rc = -1 ).  But  failure_route, doesn't work and send
>>> message "500 Retry Later".
>>>
>>> I'm using kamailio 3.0.2 and I'm probing with:
>>>
>>> modparam("tm", "fr_timer", 10)
>>> modparam("tm", "fr_inv_timer", 15)
>>> ...
>>> ...
>>> failure_route[FAIL_ONE] {
>>> #!ifdef WITH_NAT
>>>        if (is_method("INVITE")
>>> &&  (isbflagset("6") || isflagset(5))) {
>>>                unforce_rtp_proxy();
>>>        }
>>> #!endif
>>>
>>>       if (t_is_canceled()) {
>>>               exit;
>>>       }
>>>
>>>        if (t_check_status("486|408")) {
>>>                revert_uri();
>>>
>>>  avp_db_load("$ruri","$avp(s:email_address)/$email_scheme");
>>>                append_hf("P-App-Name: myvoicemail\r\n");
>>>                append_hf("P-App-Param:
>>> Email-Address=$avp(s:email_address)\r\n");
>>>                rewritehostport("sems_host:5080");
>>>                append_branch();
>>>                t_relay();
>>>        }
>>> }
>>>
>>> Thanks.
>>>
>>> --
>>> Saluda Atte,
>>> Alejandro Mauricio Mellado Gatica
>>> Escuela de Ingeniería Informática
>>> Universidad  Católica  de  Temuco
>>> _________________________________
>>>
>>>
>>>
>>> _______________________________________________
>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>>> sr-users at lists.sip-router.org
>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>
>>>
>>
>>
>>
>
>
> --
> Saluda Atte,
> Alejandro Mauricio Mellado Gatica
> Escuela de Ingeniería Informática
> Universidad  Católica  de  Temuco
> _________________________________
>
>
>



-- 
Carsten Bock
Schomburgstr. 80
22767 Hamburg
Germany

Mobile +49 179 2021244
Home +49 40 34927217
Fax +49 40 34927218
mailto:carsten at bock.info



More information about the sr-users mailing list