AASTRA 4222 Office for MX-ONE (TSE) User Guide EN - Manual (Page 8)

Description
Dialog 4220 Lite/Dialog 4222 Office 8
4 Diversion (Follow-me)
For indicating/activating and deactivating Diversion (Follow-me). See
section “
Call Forwarding ” on page 39. The feature can be removed or
moved to another programmable function key by your system
administrator.
5 Programmable function keys
Program numbers or features, see section “
Programming of function
keys ” on page 65.
6 Transfer
Transfer calls, see section “
During Calls ” on page 33.
7 Triple Access Line
Handle calls. Line 1 and 2 are available both for incoming and outgoing
calls. Inquiry can only be used for outgoing calls.
8 Microphone (Dialog 4222 Office only)
Used for handsfree conversation.
9 Clear
Disconnect calls or exit a feature. Can always be pressed instead of
replacing the handset.
10 Headset key
Handle headset calls and activate Headset Preset. See section “
Headset
(optional) ” on page 79.
11 Loudspeaker on/off
a. Activate Group Listening. See section “
During Calls ” on page 33.
b. Activate handsfree conversation (Dialog 4222 Office only). See
section “ During Calls ” on page 33.
c. Activate Loudspeaker Preset (Dialog 4222 Office only).
See section “ Headset Preset ” on page 80.
12 Mute
a. Switch the microphone on or off during a call. See section “
Mute ”
on page 34.
b. Switch off the ring signal in idle mode or when ringing. See sections
“ Mute ring signal ” on page 72 and “ Silent Ringing ” on page 72.
13 Volume control
Adjust the volume. See section “
Settings ” on page 65.
14 Loudspeaker