Mitel SX-200 Documentation page 192

SECTION MITL9105/9110-096-105-NA
Page
138
Press DO NOT DSTB button - extension busy lamp goes out.
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Press RELEASE button - Do Not Disturb cancelled.
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To override Do Not Disturb from the console:
Dial extension number - DO NOT DSTB LED flashes, extension
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busy lamp lit, DESTINATION display shows extension number and
Class of Service, ATT lamp lit and ERR lamp lit.
Press DO NOT DSTB button - extension rings normally. (Do Not
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Disturb is not cancelled.)
To set up Do Not Disturb from an extension:
Lift handset.
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Dial Not Disturb code + 1 - dial tone is returned.
Do
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Return handset - Do Not Disturb in effect.
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To cancel Not Disturb from an extension:
Do
Lift handset.
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Dial Do Not Disturb code + 2 - dial tone is returned.
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Return handset - Do Not Disturb is cancelled.
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