User Guide User guide

85Dialog 4422 IP Office
Accessories
Headset (optional)
To install the headset, see section “Installation” on page 98.
The following headset features are available.
Answer calls
Í
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 87.
Press to terminate the headset call.
Make calls
Í
z Press and dial the number.
The Headset key lamp is turned on.
Note: When the phone is set for Headset Preset, you can
dial the number directly without pressing the Headset key,
or you can press a Line key instead of the Headset key. See
section “Headset Preset” on page 87.
Press.
Press to terminate the call.
From headset to handset
u Lift the handset.