Aastra Dialog 4220 Lite User Manual page 4

3 Call-back
For indicating/activating Call-back. See Section "When
you receive a busy tone" on page
removed or moved to another programmable function key
by your system administrator.
4 Diversion (Follow-me)
For indicating/activating and deactivating Diversion
(Follow-me). See section "Call Forwarding" on page 23.
The feature can be removed or moved to another
programmable key by your system administrator.
5 Programmable function keys
To program numbers of functions, see section
"Programming of function keys" on page 38.
6 Transfer
For transferring call, see section "During Calls" on page
20.
7 Triple Access Line
For handling 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
To disconnect calls or exit a function. Can always be
pressed instead of replacing the handset.
10 Headset Key
To handle headset calls.
11 Loudspeaker on/off
a. To activate Group listening. See section "During
Calls" on page 18.
b. To activate handsfree conversation (Dialog 422
Office only see section "During Calls" on page 13.
Ericsson Dialog 4222
14. The feature can be
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