On Sun, Mar 18, 2018 at 12:59:28PM +0100, Kjeld Flarup wrote:
Does this mean that Kamailio doesn't reuse this connection, and instead tries to establish a new one.
And is it possible to have two concurrent connections, especially when it is trying to send an invite to a client behind NAT.
It is impossible for a listener to reuse/reconnect a TCP connection even without NAT (a listener can only reuse the ip/port it was listening on). This is the main drawback of SIP over TCP with a REGISTERing endpoint IMHO.