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
FRITZ!Fon C4
Icon
Meaning
Call in HD
"DECT Eco" function en-
abled in the FRITZ!Box
Deletes the last entry
Missed calls, new messag-
es or firmware update avail-
able
Microphone off
Loudspeaker/handset mut-
ed
Headset connected
Quality of connection with
base station
Battery state of charge
Charging battery
17
EN