> On 21 Oct 2015, at 08:31, Grant Bagdasarian <g...@cm.nl> wrote:
> 
> Hello,
>  
> Is it possible to have Kamailio send a ReINVITE every X minutes to determine 
> if a session is still active?
> I know it’s a proxy and doesn’t have B2BUA capabilities, but there was a 
> module which allowed Kamailio to generate SIP messages, but I can’t find it 
> anymore.
> If Kamailio is not the place to do this, which component in the voip network 
> should be responsible for this? Are there perhaps other ways to poll for 
> session state in Kamailio?

The dialog module has in-dialog keepalives. Not Re-INVITE, but at least a 
message. 

The best way is to use SIP Session Timers in both or at least one user agent.

/O

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