AT&T Merlin Legend MLX-10 User Manual page 60

Features
To Program a Selective Callback
Button
1.
Label the button to be programmed as Callback.
2.
Press Feature and dial 00.
3.
Press the button you labeled Callback.
4 .
Dial
5 .
Press Feature and dial
To Use Selective Callback for Busy
Extensions
1.
When you reach a busy extension, press Callback or
press Feature and dial 55.
2.
Hang up when you hear five short beeps.
Your call is placed in queue until the extension becomes available.
The green light next to the line button f/ashes.
Lift the handset or press Speaker when you hear one
3.
long ring and three short rings.
You hear three short beeps, and your call is dialed automatically.
NOTE:
The other phone does not ring until you lift the handset or
press Speaker.
5 5 .
00.
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