Every PBX needs to be able to tell its users when something’s gone awry. CM provides the ability to use announcements for intercepting.
From time to time, you might find that you need to be able to dial an extension (or DID) that transfers the caller directly to a voice mailbox that belongs to a specific (different) extension.
I’ve been asked by several individuals to weigh in on the current crisis in Licking County Ohio, where nearly the entirety of their county government is unable to function as a result of a ransomware attack.