User guide

Step by Step
Basic functions
46
Open listening
People present in the room can silently monitor your
call.
People present in the room can silently monitor your
call.
Prerequisite: You are conducting a call via the handset.
Activating
n Press the key shown. The LED lights up.
Deactivating
n Press the lit key. The LED goes out.
You are recommended not to activate the speak-
erphone feature when using a Bluetooth headset
! page 179 because depending on headset and
environment, this can lead to reduced speech
quality.