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BusinessPhone – Dialog 4223 Professional / Dialog 3213
Lamp indications
The key lamps on your telephone indicate with different signals the
traffic state of the ongoing call or function.
Extinguished lamp
Steady light
Slowly flashing lamp
Rapidly flashing lamp
Light with short breaks
The function is not active.
The function is active.
The line (or function) is put on hold.
An incoming call or message waiting.
Ongoing call.
Description
13