AT&T Merlin Legend MLX-10D User Manual page 104

Features
To Cover Calls for an Individual or
Group
1. When a call rings on Individual Coverage or Group
Coverage, if the red light is not already on next to this
button, press the button.
2. Lift the handset or press Speaker.
Your display shows the name and extension you are covering. It also
shows if that extension is busy, if there is no answer, or if Do Not
Disturb is turned on at the extension.
a
Coverage 5-31