1.1. Overview of keys

Snom_821-_Tasten_im_UEberblick
A

Freely programmable function keys with LEDs

13DnD key (do not disturb)
B Menu and function keys14Phone book key
1 Display15Menu key
2 LED call indicator16Transfer key
3 Line keys 1—4 (if not programmed as BFL)17Hold key
4 View call lists18Mute key with LED
5 Virtual keys (function keys)19Volume key
6 not assigned20Speaker key with LED
7 not assigned21Headset key with LED
8 Confirm key22Microphone for speaker function
9 Navigation key23Speaker
10

End key

24Receiver speaker
11 Voicemail key with LED25Receiver microphone
12 Alphanumeric keypad