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Feature Codes
When you haven’t programmed a line button for a feature, use
the feature code to activate the feature. To use a feature
code, press the Feature button and dial the code. Not all
features can be activated by a code. Some features, like Do
Not Disturb, must be programmed onto a line button to turn
the feature on and off. The light next to the button reminds
you that the feature is in use. Feature codes for your MLX
phones follow.
Feature Codes B-1