[Kamailio-Users] [Kamailio-Devel] dialog enhancements #2

[Daniel-Constantin Mierla]

Hello Klaus,

On 02/06/2009 07:26 AM, Klaus Darilion wrote:
> Daniel-Constantin Mierla schrieb:
>   
>> Hello,
>>
>> another addition to the dialog module is the new pseudo-variable class 
>> $dlg(...)
>>
>> http://www.kamailio.org/dokuwiki/doku.php/pseudovariables:devel#dlg_attr
>>
>> With it you can get access to all attributes of current processed 
>> dialog, e.g., caller and callee URI, start time, flags...
>>     
>
> I guess the callee URI is the originally RURI.
yes, it gets access to the sip-dialog elements.

>  Is it possible to store 
> an additional URI (e.g. canonical callee URI) within the dialog too?
>   
There is a solution by using htable and store as many attributes per 
dialog as you want. Make a combined key like:
$sht(dlg=>$dlg(h_entry)::$dlg(h_id)::uri) = ...;

You can set same timeout as for dialog or delete when dialog ends. For 
future, we can add native support if this is not that nice -- but for 
moment I though is ok the way it can be done now as time was limited.

Cheers,
Daniel

> regards
> klaus
>
>   
>> A typical use case is to write full cdr when the BYE comes over - the 
>> dialog stores the start time and you can get the end time via $Ts. You 
>> can either write the acc record at dialog ending or update the start acc 
>> event written when INVITE was processed - you have access to the 
>> call-id, from tag and to tag in the right order and one shot of 
>> sql_query() will do it.
>>
>> Cheers,
>> Daniel
>>
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>>     
>
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>   

-- 
Daniel-Constantin Mierla
http://www.asipto.com