Icons on the Display
Icon
Meaning
Establishing connection
Connection established
Connection cleared
Incoming call
Answering machine en-
abled
Call diversion enabled
Alarm enabled
Three-party conference
call
Keypad locked
Do Not Disturb enabled
Dialing Numbers
1.
Enter a telephone number.
2.
Press the Call button
FRITZ!Fon C4
Icon
Meaning
Call in HD
"DECT Eco" function
enabled in the FRITZ!Box
Deletes the last entry
Missed calls, new messag-
es or firmware update
available
Microphone off
Loudspeaker/handset
muted
Headset connected
Quality of connection with
base station
Battery state of charge
Charging battery
.
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