AT&T MERLIN 1030 Attendant's Manual page 38

CONNECT AN OUTSIDE OR PBX/CENTREX CALL TO ANOTHER
OUTSIDE LINE
Touch Conference.
Dial the person's telephone number.
Connection made?
Touch Conference.
Touch Hold to remove yourself from the call.
Hang up.
Not made?
Touch Drop. You may have to touch Drop twice.
Inform the caller, then hang up.
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