Sony 500 사용자 설명서
Step by step
Basic functions
22
Open listening in the room 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.
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.