Accessories
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Headset (optional)
(Dialog 4222 Office phone only).
How to install the headset, see section “Installation” on page 88. The following headset functions are available.
Answer calls
Press to answer.
The Headset key lamp is turned on.
Note: When the phone is set for Headset Preset, you can also press the flashing line key to answer the call. See section “Headset Preset” on page 84.
Press to terminate the headset call.
Make calls
Press and dial the number.
The Headset key lamp is turned on.
Note: When the phone is set for Headset Preset, you can also dial the number directly without pressing the Headset key, or press a Line key instead of the Headset key. See section “Headset Preset” on page 84.
Press to terminate the call.
From headset to handset
Lift the handset.
From handset to headset
Press.
The Headset key lamp is turned on.
Replace the handset.
Dialog 4220 Lite/Dialog 4222 Office | 83 |