Northern Telecom Unity I User Manual page 3

UNITY FEATURES
Fully modular
dial
l
Release button
Message Waiting Lamp
Visual ringing
Link button
l
Phone number and directory
card
Tone ale&r control
Alerter High-Low-Off switch
UNITY MESSAGE WAITING FEATiR
Refer to FEATURE DESCRIPTIONS Section for detailed information.
Fully modular
dial
l
Visual ringing
Message waiting
Phone number and directory card
Alerter High-Low switch (no Off positlon)