[OpenSER-Users] Interop dialog/sst - acc module to produce CDR for dialog-expired call

Schumann Sebastian Sebastian.Schumann at t-com.sk
Thu Feb 21 09:24:34 CET 2008


Hi Ovidiu

OK, I understand. Now I see your point with the special route block you
mentioned in the tracker. I could just set the flag for accounting in
there and it would be called if the timeout is reached.

Seems I have to wait until this is solved in a way. Thanks for your
help!

Best regards
Sebastian

-----Original Message-----
From: sip.nslu at gmail.com [mailto:sip.nslu at gmail.com] On Behalf Of Ovidiu
Sas
Sent: Thursday, 21. February 2008 7:34 AM
To: Schumann Sebastian
Cc: users at lists.openser.org
Subject: Re: [OpenSER-Users] Interop dialog/sst - acc module to produce
CDR for dialog-expired call

Hello Sebastian,

When the dialog expires, there are no actions taken by the dialog
module:
 - no BYE is sent,
 - no accounting is logged.

A dialog can be terminated via an MI command, and that one will
generate BYEs on both ends, but no accounting.

The sst module will enforce periodic re-INVITEs if at least one of the
participants has support for SIP session timers.
If SIP session timers is not supported by at least one of the
participants, then no periodic re-INVITEs will occur and the dialog
timer will not be restarted.


Hope this helps,
Ovidiu Sas

On Wed, Feb 20, 2008 at 5:24 PM, Schumann Sebastian
<Sebastian.Schumann at t-com.sk> wrote:
> Hi Ovidiu
>
>  Thanks for your response. I thought dialog together with sst it works
already as demanded:
>
>  With sst we re-INVITE and as long as this works fine, the dialog does
not expire. If an endpoint breaks, the re-INVITE will not work properly
(no answer), the session expires (after Session-Expire time) and the
dialog module destroys the dialog (after default-timeout).
>
>  The only problem I see now is that with destroying the dialog (which
works already fine like this), no required actions are performed and can
be enabled (BYE to both sides, or at least accounting flag). If it would
be anyhow possible, to call this with the destruction of the dialog, the
problem would be solved I think.
>
>  For me, the BYE is not that much necessary. It might not cause any
troubles if one endpoint breaks and the other is still running until
somebody hangs up. But if I wanna account calls within one domain (only
through OpenSER), I need to each started call assured an ending
accounting tag. The worst is that the customer gets then default-timeout
more accounted as he was online.
>
>  Am I thinking in the right way or must this be solved differently? I
think the dialog module provides already the timer, just the _actions_
(besides internal destruction of the dialog) are missing...
>
>  Best regards
>  Sebastian
>
>
>
>  -----Original Message-----
>  From: sip.nslu at gmail.com on behalf of Ovidiu Sas
>  Sent: Tue 2/19/2008 19:13
>  To: Schumann Sebastian
>  Cc: users at lists.openser.org
>  Subject: Re: [OpenSER-Users] Interop dialog/sst - acc module to
produce CDR for dialog-expired call
>
>  Hello Sebastian,
>
>  At this point in time, there's nothing you can do on dialog
expiration.
>  Take a look at the following patch request:
>
http://sourceforge.net/tracker/index.php?func=detail&aid=1892203&group_i
d=139143&atid=743023
>
>
>  Regards,
>  Ovidiu Sas
>
>  On Feb 19, 2008 9:37 AM, Schumann Sebastian
<Sebastian.Schumann at t-com.sk> wrote:
>  >
>  >
>  > Dear all
>  >
>  > I am looking for a possibility to somehow assure, that the
accounting CDR
>  > produced will not be infinite, if a call is interrupted without
sending a
>  > final BYE.
>  >
>  > I thought to do it like this:
>  >
>  > Use SST module to create certain time limit (e.g N) for a session.
Use
>  > dialog module to cut dialog after certain time expired (e.g. 2N).
As long as
>  > SST creates active sessions (i.e. the client is alive) the dialog
does not
>  > expire, if the call is interrupted, the dialog expires worst case
with 2N
>  > time accounted.
>  >
>  > The problem is, I cannot generate CDR to stop accounting for a
certain call
>  > where the dialog expired. Is this possible to do in a way?
>  >
>  > Thanks for your help.
>  >
>  > Best regards
>  > Sebastian
>  > _______________________________________________
>  > Users mailing list
>  > Users at lists.openser.org
>  > http://lists.openser.org/cgi-bin/mailman/listinfo/users
>  >
>  >
>
>




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