Keys
1 Display keys
2 Volume keys
Depending on the operating mode: Adjust the volume of the speaker, receiver, headset or ringtone
Changing the volume3 Star key
4 Hash key
5 Status LED
Status display for incoming calls
Flashes: Incoming call
Lights up: Call in progress
6 Function keys
7 Control key
Scroll through lists and entries. In idle status:
Control key8 Do Not Disturb key
Lights up: "Do Not Disturb" function is activated
9 Message Centre
Flashes: New message in the Message Centre
10 Consultation call key
Initiate/end consultation call; put participant on hold
Call swapping11 End/back key
go back one menu level (press briefly);
return to idle status (press and hold)
Menu navigation12 Conference call key
13 CHandsfree key
Lights up: Call is being made via the speaker (handsfree mode)
14 Headset key
Lights up: Call is being made via the headset
15 Mute key
Activate/deactivate microphone (mute)
MutingLights up: The microphone is muted
16 Microphone
Microphone of the handsfree unit