AASTRA 4422 IP Office (SIP) for MX-ONE User Guide - Manual (Page 85)

85 Dialog 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.