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1.19 Proprietary Telephone (PT) Features
1.19.3 LED Indication
Description
The light (LED: Light Emitting Diode) of the Message/Ringer Lamp and following buttons (Line Status Buttons and Corresponding Extension Status Button) show line conditions with a variety of light patterns.
Line Status Buttons:
Corresponding Extension Status Button: DSS
1.Light Pattern of the Message/Ringer Lamp [DPT]
•Incoming call from a trunk: Red flashing
•Incoming call from another extension: Green flashing
•Message(s) present (no incoming call): Red on
•No message(s) present (no incoming call): Off
[APT]
•Incoming call: Red flashing
•Message(s) present (no incoming call): Red on
•No message(s) present (no incoming call): Off