Tadiran Telecom FlexSet 280D - Page 83

Do Not Disturb (DND) 58 FlexSet 120/280 User Guide
Display Message Key LED
To cancel from idle:
1. Press the lit [DND]. DO NOT DISTURB
ON
or
Dial Do Not Disturb feature code #145 followed by cancellation code
. DONT DISTURB OFF
OFF
2. Listen for the confirmation tone.