AT&T Merlin Legend 10BS User Manual page 155

Features
To Save and Redial a Number
1. When you reach a busy or unanswered number, press
the programmed Saved Number button before
hanging up.
2. To redial the number, press the same type of button
(ICOM, SA, or Pool) you used to place the call the first
time.
5-78
Saved Number Dial
For BIS phones, press the programmed Saved
Number button.
Your speakerphone goes on, and the number is dialed
automatically.
For MLC-5 cordless phones, press On/Off, then
press the programmed Saved Number button.
The number is dialed automatically.