Tadiran Telecom FlexSet 280 User Manual page 83

To cancel from idle:
[DND]
1. Press the lit .
or
Dial Do Not Disturb feature code #145 followed by cancellation code
2. Listen for the confirmation tone.
Do Not Disturb (DND)
Display Message
D O N O T D I S T U R B
.
D O N T D I S T U R B O F F
58
Key LED
O N
O F F
FlexSet 120/280 User Guide