On Fri, Apr 05, 2019 at 06:23:16PM -0400, Alex Balashov wrote:

route { ...

  # Initial INVITE handling:

  if(is_method("INVITE")) {
     # Set fr_inv_timer initially to 5 seconds, so that
# if we do not receive an answer or at least one non-100 1xx
# response, trigger a failure_route and try the next gateway
# or whatever.

     t_set_fr(50000);

Sorry, this would have been a lot more pedagogically useful if it had read:

t_set_fr(5000);

-- Alex