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

[Iñaki Baz Castillo]

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?
This means that get_profile_size() still computes the cancelled call during ~4 
seconds.

Thanks for any comment.



-- 
Iñaki Baz Castillo <ibc at aliax.net>