A tiered after-hours call flow: play greeting, try desk phones, escalate to cell phones via Local channels, then fall back to voicemail.
Ring external cell phones through Local channels while preserving the original inbound DID
A centralized Gosub that handles DND, call forward, follow-me, and DIALSTATUS for any extension
Star code feature toggles stored in AstDB -- Do Not Disturb, Call Forwarding, and Follow Me, all controllable from the phone dial pad.