Ion Minzu writes:
I have an working openser, i installed and configured in Nagios check_sip plugin, the problem is that openser answer to OPTIONS message with the error 500.
check that you your openser.cfg is routing options request to the sip ua sip:820999@voip.md in the same manner as it is routing invite request. this is not an options request to openser proxy itself.
-- juha