User guide

Step by Step
Basic functions
34
Switching to speakerphone mode
Prerequisite: You are conducting a call via the handset.
n\ Hold down the key and replace the handset. Then re-
lease the key.
if nec.
+ or - Set the call volume. Keep pressing the key until the de-
sired volume is set.
U.S. mode
If the country setting is set to U.S. (ask the service per-
sonnel), you do not have to hold down the loudspeaker
key when replacing the handset to switch to speaker-
phone mode.
n Press the key shown.
] Replace the handset. Proceed with your call.
if nec.
+ or - Set the call volume. Keep pressing the key until the de-
sired volume is set.
Switching to the handset
Prerequisite: You are engaged in a call in speakerphone
mode.
^ Lift the handset.
n The LED key goes out.
[ Proceed with your call.
Open listening during a call
You can let other people in the room join in on the call.
Let the other party know that you have turned on the
speaker.
Prerequisite: You are conducting a call via the handset.
Activating
n Press the key shown. The LED lights up.
Deactivating
n Press the key shown. The LED goes out.