AT&T MERLIN LEGEND Release 2.0 MLX Direct-Line Consoles Operator's Manual page 64

Quick Start
4. Make the call to the next extension or outside number.
If you make a dialing error while adding a participant to a
conference, you must hang up and start dialing that party over.
5. Confirm participation:
6. Press Conf again to add another person.
You are separated from the conference while you add the next
person, but the participants can still talk. The display prompts you to
add another participant.
7. Repeat Steps 3 through 5.
8. While on a conference:
9. To end the conference, hang up.
2-14
Setting Up a Conference
If the person is available, announce the
conference and press Conf.
You and all participants are connected. The display shows
the number of people on the call.
If the person is unavailable, hang up and return
to Step 4.
Disconnect yourself without ending the
conference by pressing Hold. (Do not use
Drop to disconnect a participant when the
conference is on hold or to disconnect-yourself
from a conference you initiated.)
Rejoin the conference by pressing the line
button for any conference participant.
Disconnect a participant by pressing Drop and
then pressing the participant's line button.