From miconda@gmail.com Tue Dec 23 22:10:11 2014
From: Daniel-Constantin Mierla <miconda@gmail.com>
To: sr-users@lists.kamailio.org
Subject: Re: [SR-Users] [sr-dev] Missing accounting events in ACC table
Date: Tue, 23 Dec 2014 22:10:03 +0100
Message-ID: <5499DA2B.7060200@gmail.com>
In-Reply-To:
 <CAFZQphySVeV2UE_u+kUc7kO=KTvKWbqB1SW-WDEV0nByJ=t0Pg@mail.gmail.com>
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Hello,

you can try with latest git branch 4.2 and see the results.

At a quick look between the version you reported to work and the new
version you run, I couldn't spot a commit that could be the reason.

Do you get the acc record in syslog for INVITE?

How do you set the values for replacing From header? If you load from
database, be sure the values are valid. I see the uac module complains
about restoring operation. It might be the reason for the issues --
config could be ok, but the subscriber data wrong.

You should save the traffic for a while and check the packets for
missing records -- you can use tools such as tcpdump, sipgrep, ngrep to
store the traffic in a file for later analysis. When you find a missing
record, search in the file with the sip traffic and see if something is
broken there.

Cheers,
Daniel

On 23/12/14 21:45, Muhammad Shahzad wrote:
> Hi,
>
> About 3 weeks ago i upgraded one of my production server with latest
> stable kamailio version 4.2.1-fad00a. Now i am getting a lot of
> complaints about missing CDR events in ACC table. I observe following
> problems,
>
> 1. There are only BYE records in acc table, no record for INVITE or ACK.
> 2. In kamailio logs when ACK is received against 200 OK response for
> INVITE, i see following errors,
>
> --
> ERROR: <core> [parser/parse_from.c:113]: parse_from_uri(): failed to
> parse From uri
> ERROR: pv [pv_core.c:434]: pv_get_xto_attr(): cannot parse From URI
> NOTICE: <script>: [udp:<null>@1.0.0.127:5060 <http://1.0.0.127:5060>]:
> Call from 'you(a)kamailio.org <mailto:you(a)kamailio.org>' to
> 'you(a)kamailio.org <mailto:you(a)kamailio.org>' has been hanged up by
> '<null>' at '1419364717.255484'
> --
>
> Of course all these errors are bogus, I have checked all headers in
> ACK (not just FROM header), they all seem perfectly fine and valid.
>
> 3. Then the dialog times out,
>
> --
> WARNING: dialog [dlg_handlers.c:1440]: dlg_ontimeout(): timeout for
> dlg with CallID '6D8BD23CAC65AE3C1DE1D0B531F87B8CFEAA9CB9' and tags
> '1D3ECD34F5731AB845BA3064AC95BB2D'
> '7f55e81e0630-100007f-13c4-6009-2440a4-5fa31570-2440a4'=20
> --
>
> 4. Any further sequential requests complain about "unable to find
> dialog", e.g.
>
> --
> NOTICE: <script>: Sequencial 'BYE' request received from caller
> ERROR: uac [replace.c:591]: restore_uri(): new URI [] shorter than old
> URI [sip:00xxxxxxxxxx(a)sip.domain.com
> <mailto:sip%3A00xxxxxxxxxx(a)sip.domain.com>]
> WARNING: dialog [dlg_handlers.c:1174]: dlg_onroute(): unable to find
> dialog for BYE with route param '5ae1.d595' [7845:22877]
> --
>
> 5. However the acc record for BYE is written to db and log file,
>
> --
> NOTICE: acc [acc.c:318]: acc_log_request(): ACC: transaction answered:
> timestamp=3D1419364760;method=3DBYE;from_tag=3D7f55e81e0630-100007f-13c4-60=
09-2440a4-5fa31570-2440a4;to_tag=3D1D3ECD34F5731AB845BA3064AC95BB2D;call_id=
=3D6D8BD23CAC65AE3C1DE1D0B531F87B8CFEAA9CB9;code=3D200;reason=3DOK;src_user=
=3D00xxxxxxxxxx;src_domain=3Dsip.domain.com
> <http://sip.domain.com>;src_ip=3Dxx.xx.xx.xx;dst_ouser=3D+1xxxxxxxxxx;dst_u=
ser=3D1xxxxxxxxxx;dst_domain=3Dyy.yy.yy.yy
> --
>
>
> The same config was working fine with older version 4.2.0-97cab8. The
> kamailio config i am using is pretty much standard,
>
> --
> #!define FLT_ACC 1
> #!define FLT_ACCMISSED 2
> #!define FLT_ACCFAILED 3
> #!define FLT_DLG 4
>
> ...
>
> modparam("acc", "early_media", 1)
> modparam("acc", "report_ack", 1)
> modparam("acc", "report_cancels", 1)
> modparam("acc", "detect_direction", 1)
> modparam("acc", "log_flag", FLT_ACC)
> modparam("acc", "log_missed_flag", FLT_ACCMISSED)
> modparam("acc", "failed_transaction_flag", FLT_ACCFAILED)
> # log to db
> modparam("acc", "db_flag", FLT_ACC)
> modparam("acc", "db_missed_flag", FLT_ACCMISSED)
> modparam("acc", "db_url", "DBURL")
>
> ...
>
> request_route {
>     # per request initial checks
>     route(REQINIT);
>
>     # NAT detection
>     route(NATDETECT);
>
>     # handle requests within SIP dialogs
>     route(WITHINDLG);
>
>     # CANCEL processing
>     if (is_method("CANCEL")) {
>         if (t_check_trans()) {
>             t_relay();
>         };
>         exit;
>     };
>
>     #### only initial requests (no To tag) ####
>     t_check_trans();
>
> ....
>
>     # account only INVITEs
>     if (is_method("INVITE")) {
>         setflag(FLT_DLG); # create dialog
>         setflag(FLT_ACC); # do accounting
>         setflag(FLT_ACCFAILED); # ... even if the transaction fails
>
>         $avp(dlg_timeout) =3D 60;
>         dlg_manage();
> ....
>
> }
>
> --
>
> Any ideas why its happening? Since it is 3 weeks old so may be problem
> has already been spotted and fixed by someone else. Otherwise let me
> know how can i provide more info to help fix this issue.
>
> Thank you.
>
>
>
>
> _______________________________________________
> sr-dev mailing list
> sr-dev(a)lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev

--=20
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda




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