Button Usage
Flexible DSS (Direct Station Selection)
Used to access an extension with one touch. Every
button is programmed to correspond to an extension.
DSS buttons can also be reassigned to other features.
PF (Programmable Feature)
Used to access a preprogrammed feature with one
touch. (no default)
Conditions
• Certain buttons are equipped with a light to show line or feature status.
250 Feature Guide
2.21.1 Fixed Buttons
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