User guide

Description
BusinessPhone – Cordless DT412/DT42210
11 Alarm key (DT422 only)
Sending alarms and testing the Alarm function. See section “Alarm
on page 81.
12 Loudspeakers
One loudspeaker for ring signal and one for Loudspeaking. See
section “Loudspeaking (Handsfree)” on page 40.
Please note: The phone may retain small magnetic articles
around the earpiece region.
13 Charging connector
See section “Installation” on page 105.
14 Headset connector
See section “Installation” on page 105.
Note: Headset connector is optional.