Basic operating instructions
1
optiPoint 420
Full-duplex speakerphone feature
Illuminated display
Headset port
2. LAN-Schnittstelle
Interface for add-on equipment
Option bays
[1] The name and model of your telephone are printed on the base.
optiPoint 420 economy/economy plus/standard and
optiPoint self labeling key module control panel
Speaker for open listening
and ring tones
Handset
Keys for telephone settings
[1] optiPoint 420 standard only
[2] With automatic key labeling
[3] Cannot be changed on optiPoint 420
economy
Backlight
display, 2 lines with
24 chars
Keys for scrolling to functions
Key for confirming a function
economy plus
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0
0
1
graphics
Basic operating instructions
standard
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2
–
Key field
fixed function keys
Program/Service
3
Redial
Mailbox
Mute or Internal
3
Speaker
–
Key field
freely programmable
2
keys
optiPoint self labeling
1
key module
Keypad
Microphone for
speakerphone mode
2
:
3
1
9