[Kamailio-Users] [dialog module] dialog is not terminated when no ACK is received

[Daniel-Constantin Mierla]

Hello,

On 03/04/2010 04:17 PM, Iñaki Baz Castillo wrote:
> El Miércoles, 3 de Marzo de 2010, Iñaki Baz Castillo escribió:
>    
>> Hi, using Kamailio 1.5.4.
>>
>> I use dlg_manage() for an INVITE. 200 Ok is replied by the callee but the
>>   UAC doesn't send the ACK (due to a crash).
>>
>> The dialog remains in Kamailio dialog memory/table in state 3 and would
>>   expire after default_timeout (which usually is 3600 seconds or more,
>>   unsuitable for this case).
>>
>> Yes, it could occur that the proxy is not doing loose_routing, but in that
>> case it doesn't make sense to use dialog module, so shouldn't dialog module
>> expire dialogs in state 3 after ~32 seconds?
>>
>> I'm using profiles_with_value to limit the number of calls per user, so
>>   this issue is a bit important, as a UAC not sending the ACK for a 200
>>   means one less available channel for this user during dialog module
>>   default_timeout.
>>      
>
> Another issue: when a call is cancelled the dialog remains in memory for ~4
> seconds more.
>
> This is:
> - INVITE received and any provisional response =>  dialog in state 2.
> - CANCEL received =>  dialog in state 5 for ~4 seconds.
>
> Is there any reason for that?
>    

there might be a detele timer delay. I will read your emails and check 
the sources asap, having some busy days with some public events related 
to project.

Cheers,
Daniel

> This means that get_profile_size() still computes the cancelled call during ~4
> seconds.
>
> Thanks for any comment.
>
>
>
>    

-- 
Daniel-Constantin Mierla
Kamailio SIP Router Masterclass, Berlin, March 22-26, 2010
* http://www.asipto.com/index.php/sip-router-masterclass/