Hello, You right, i've found something, seems that the kamailio-probe it puts the destination down. Any ideas why it's doing this ?

: ds_run_route(): ds_run_route event_route[dispatcher:dst-down
: ds_run_route(): route does not exist 8(24491) DEBUG: {2 10 OPTIONS 3afe874f6d71811b-24504@127.0.0.1} dispatcher
: ds_options_callback(): OPTIONS-Request was finished with code 404 (to sip:10.1.2.2;transport=udp, group 1)
: ds_update_state(): update state for sip:10.1.2.2;transport=udp in group 1 to 10
: ds_update_state(): destination did not replied 10 times, threshold 10
: ds_update_state(): deactivate destination, threshold 10 reached
: ds_run_route(): ds_run_route event_route[dispatcher:dst-down
: ds_run_route(): route does not exist 8(24491) DEBUG: {2 10 OPTIONS 3afe874f6d71811c-24504@127.0.0.1} dispatcher [dispatch.c:2805
: ds_manage_routes(): set 1