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

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Ericsson 4220 manual Headset optional, Answer calls, Make calls, From headset to handset, From handset to headset