Mitel SX-200 Documentation page 312

Description
This feature allows a SUPERSET 4 set to be a Sub-Attendant and leave
messages (to call that Sub-Attendant) that will appear on LCDs of
other SUPERSET 4 sets.
Conditions
Messages can only be left on other SUPERSET 4 set's LCDs.
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Messages can only be left after the Sub-Attendant has attempt-
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ed to reach a SUPERSET 4 set and encountered a Busy or a Don't
Answer condition.
Programming
To program a SUPERSET 4 message, the SUPERSET 4 set must have
COS Option 109 (SUPERSET 4 Sub-Attendant Message Program) en-
abled in its COS.
Operation
Upon encountering a Busy or a Don't Answer condition, press
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the SEND MESSAGE key.
Carry on as per normal.
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SECTION MITL91 OS/91 10-096-l OS-NA
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