Help > Using the Phone > Basic Knowledge > Keys and LEDs > Dedicated function keys
Dedicated function keys
Messages with LED
Displays these lists:
Voice messages
Missed calls
*Note: The behaviour of the LED message key can be configured via Settings > Display and LED > Seen missed calls / Heard voice messages
Microphone with LED
Switches the microphone off (mute) or on again.
LED is shining red: microphone is disabled
Hold with LED
You can put an active call on hold or reconnect it again.
Redialling
Displays the outgoing calls list.
Headset with LED
Press the Headset key to enable or disable the headset.
LED is shining green: headset operation is active
LED is flashing green: incoming call
LED is shining red: active hedaset call
Transfer without LED
You can transfer calls with or without prior notification.
minus
Reduces the volume of the ringer, receiver, or loudspeaker, depending on operational state
Loudspeaker with LED
LED is flashing green: incoming call
LED flashing red: loudspeaker listening is enabled
LED is shining red: hands-free calling is enabled
plus
Increases the volume of the ringer, receiver, or loudspeaker, depending on operational state.