[sr-dev] Playing with TCP

[Klaus Darilion]

Indeed, just use a timer route to periodically send OPTIONS to the registrar. 

Are you looping outgoing messages also through the registrar? Or does the request to the obp with has 2 Route headers?

K

Am 25.10.2012 um 21:57 schrieb "Olle E. Johansson" <oej at edvina.net>:

> Hi!
> 
> THanks, Klaus!
> 
> The solution was to use a trick by Peter Dunkley in an old mail. I could add another Path header, but could not run msg_apply_changes on that. Instead I forwarded the message to myself and then saved in location database. Now I have to path headers, with the top one pointing to the TCP connection with the received parameter, like you described.
> 
> Thanks for explaining the TCP connection matching and your open brainstorm that provided a solution!
> 
> The question is now how to get the proxy on the inside of the NAT - also Kamailio - to keep the TCP connection open for a very, very long time :-)
> But there are many TCP parameters for that. And NAT keepalives.
> /O