Base Layout
A Extension Status Indicators
B Extension / Programmable Feature Keys
C Answering System Button / Indicator
D 3 Softkeys
E
Line Buttons / Indicators
F
Navigation Button
G Do Not Disturb (DND)
A
B
L M
H Mute
I
Headset Button / Indicator
J
Volume Up
K Volume Down
L
Hold
M Speakerphone
C
D
E
F
G
H
I
J
K