CrazyTux left a comment (kamailio/kamailio#4157)
Is the drop executed for the initial INVITE only? Or also for re-INVITE?
I believe it is executed for both re-invite and drop the event route is exactly as shown above with that FF enabled / htable var set to true.
Is the Kamailio A doing the topos?
Kamailio A and Kamailio B are both doing topos