While trying to get my Asterisk server to receive inbound calls from my sip provider I keep getting these error messages on the Asterisk console:
Jun 25 04:09:47 NOTICE[27464]: chan_sip.c:7288 handle_request: Failed to authenticate user “3103568026″
;tag=as1921c1ac
I’ve published my solution to this problem here: Handle request: Failed to authenticate user