AT&T MERLIN LEGEND Release 2.0 MLX Direct-Line Consoles Operator's Manual page 104

Features
You can post 1 of 20 programmed messages. The 10
messages shown in the following table are provided by your
company. Except for message #01, Do Not Disturb, they may
have been changed by the system manager or additional
messages may have been programmed.
Standard posted messages are as follows:
0 1 DO NOT DISTURB
02 OUT
TO
03 AT
HOME
04 OUT
SICK
05 IN A MEETING
NOTE:
When you turn on the Do Not Disturb feature, the
system automatically posts the message "Do Not
Disturb." When you turn off the feature, the system
removes the message. You can also post or -
remove the "Do Not Disturb" message with the
Posted Message button, but this does not turn the
feature on or off.
Blank (not yet programmed) messages are
displayed as CUSTM MSG11, CUSTM MSG12, etc.
4-36 Messaging
06 IN
07 WITH
LUNCH
08 WITH
09 AWAY
10 OUT
CONFERENCE
A CLIENT
A CUSTOMER
FROM DESK
ALL DAY