snom D717
snom D725
1
Telephone status
2
LED call indicator
3
Display
4
Soft keys
5
Confirm key
6
Navigation key
7
End key
8
VoiceMai key with LED
9
Freely programmable function keys with LEDs
10
DnD key (do not disturb)
11
Phone book key
12
Menu key
13
Transfer key
14
Hold key
15
Microphone for speaker function
16
Headset key with LED
17
Speaker key with LED
18
Volume key
19
Mute key with LED
20
Alphanumeric keypad
21
Receiver microphone
22
Receiver speaker
snom D735
5