AT&T MERLIN LEGEND MLX-10 Non-Display Telephone User Manual page 38

Using and Programming Features
whether the feature needs a programmed line button.
Some features, such as Do Not Disturb, cannot be used
with feature codes. You need to program a button to turn
the feature on and off. The light next to the button provides
a visual reminder when the feature is in use. The following
features require programmed buttons. Programming codes
are in Appendix C.
Auto Dial
Coverage
— Coverage Off
— Primary Individual Coverage
— Secondary Individual Coverage
— Group Coverage
Do Not Disturb
Headset/Handset Mute
Messaging
— Posted Message
Saved Number Dial
Signaling and Notify
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Using and Programming Features