20 Alphanumeric keypad
21 Receiver microphone
22 Receiver speaker
Keys in detail:
Key Description
Use the toggle key to browse through the display.
On the home screen:
Down: Settings
Up: Call lists
Confirms an action, selection or entry
Cancels an action, selection or entry
Mutes the microphone during a call
Adjusts the receiver volume or the ring tone volume
Hands-free mode (answering possible)
Headset mode
Access voicemail
Do not Disturb mode on / off. Extension works as in “Delayed
call forwarding”.
Phone book (Set up via the administration portal)
Menu
Transfer call
Hold call
LED indicators
Call LED*
Rapidly flashes red with an incoming call.
Continuous, bright red while dialling, during a call and when a call is placed on hold.
Continuous somewhat less intensive red indicates a missed call.
Function keys LED
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