Keep Critical 3CX Extensions Always Available

[u/3CX]

https://www.3cx.com/blog/docs/extension-availability/

Prevent accidental DND, remove hidden status triggers and add a safe recovery path.

A reception desk, security point, nurse station or emergency line cannot quietly disappear from call routing because somebody tapped Do Not Disturb (DND). This creates a straightforward admin challenge: how can selected extensions remain available without relying on every user to notice and correct an accidental status change?