Every so often, I see calls from 'numbers' such as 'Caller (a'or'3=3--)' in the Call Log. Is there a way to auto-drop these or deny access to them completely? Do they have to be blacklisted individually?
> We're using V.15, SP4.
> We have IP-based authentication.
> We're using V.15, SP4.
> We have IP-based authentication.
Phone System 