Aastra Dialog 4223 Professional User Manual page 111

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Dialog 4223 Professional/Dialog 4225 Vision
Headset (optional)
To install the headset, see section "Installation" on page 117.
The following headset features 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
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 you can press a Line key instead of the Headset key.
See section "Headset
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.
Preset" on page 112.
Preset" on page
Accessories
112.
111