Siemens OpenStage 15 T - Open Listening in the Room During a Call

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.
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.