AT&T MERLIN LEGEND MLX-10 Non-Display Telephone User Manual page 54

Features
To Turn Automatic Callback On and Off
1. Press Feature and dial 00.
2. Press any ICOM or SA button.
3. Dial 12 to turn on or
4. Press Feature and dial
To Use Automatic Callback
1. When you reach a busy line or extension and hear five short
beeps, hang up.
Your call is placed in queue until the line or extension becomes available.
The green light next to the line button flashes.
2. When you hear one long ring and three short rings, lift handset or
press Speaker.
You hear three short beeps, and your call is dialed automatically.
To Cancel a Callback Request
1. Press the button the call is on.
2. Lift handset or press Speaker.
3. Press Drop.
4. Press the button the call is on again.
5-8
C a l l b a c k
12 to turn off.
00.