Telephone status indicator – Samsung DS5021D User Manual
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© SAMSUNG Electronics Co., Ltd.
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THINGS YOU SHOULD KNOW
7. Telephone Status Indicator
The status indicator turns on or off according to the telephone status.
Functions
Status of LCD Indicators
Busy/Off-hook
Steady red
Extension Ring
Flashing red
Trunk Ring
Flashing green
Recalling
Flashing yellow
Message waiting
Flashing red
Calling Denied
Fast flashing red within 1-second interval.