Ericsson DIALOG 4223 PROFESSIONAL - MANUAL 2 User Manual page 10

Description
10
6 Callback
For indicating/activating Callback. See section
busy tone" on page 37. The feature can be removed or moved to
another programmable function key by your system administrator.
7 Diversion (Follow-me)
For indicating/activating and deactivating Diversion (Follow-me).
See section "Call
removed or moved to another programmable function key by your
system administrator.
8 Programmable function keys
To program numbers or functions, see section
function keys" on page 95.
Note: The key marked with a "b" is also used to program a
melody, see section
9 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.
10 Microphone
Used for handsfree conversation.
11 Clear
To disconnect calls or exit a function. Can always be pressed instead
of replacing the handset.
12 Headset key
To handle headset calls and activate Headset Preset. See section
"Headset (optional)" on page 114.
13 Loudspeaker on/off
a. To activate handsfree conversation. See section
on page 49.
b. To activate Loudspeaker Preset. See section
on page 115.
14 Mute
a To switch the microphone on or off during a call. See section
"Mute" on page 50.
b To switch off the ring signal in idle mode or when ringing. See
section "Mute ring
page 105.
15 Volume control
To change the volume. See section "Settings" on page 95.
16 Loudspeaker
Forwarding" on page 59. The feature can be
"Melody ringing" on page
signal" on page 105 and
Dialog 4223 Professional/Dialog 4225 Vision
"When you receive a
"Programming of
106.
"During Calls"
"Headset Preset"
"Silent ringing" on