ua sets up tcp connection to sr and registers. expires parameter of
contact header is 3600 and tcp_persistent_flag was set before save() was
called.
after registering, ua sends some other requests and becomes idle 8
second later. 2 minutes 10 seconds after that, wireshark shows that sr
closes the tcp connection.
why is tcp connection closed? it looks like a bug to me, but perhaps i
am missing something?
-- juha