I need to register a trunk sip in a CUCM. This must be configured without authentication and must allow registration from several IPs. is this possible? with an IP it works correctly (host = XX.XX.XX.XX) but putting several (with permit = …) I can not get it to work.
I have also seen that the trunk once registered appears UNREACHABLE, . Is there any way to monitor it to appear ok? that’s why it works for outgoing calls but not for incoming calls.
My current configuration is the following: