4
8 Confirm key
22
Microphone for speaker
function
9 Navigation key
23 Speaker
10 End key
24 Receiver speaker
11 Voicemail key with LED
25 Receiver microphone
12 Alphanumeric keypad
1.2. Keys in detail
Use the toggle key
to browse through
the display
(on the home
screen:
Down: Call lists;
Up: Settings)
Access voicemail
Confirms an action,
selection or entry
Do not Disturb
mode on / off.
Extension works as
in “Delayed call
forwarding”.
Cancels an action,
selection or entry
Phone book (Set up
via the
administration
portal)
Mutes the
microphone during a
call
Menu
Adjusts the receiver
volume or the ring
tone volume
Transfer call
Hands-free mode
(answering possible)
Hold call
Headset mode
LED indicators
1. 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.