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

[Schumann Sebastian]

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_id=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
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