User Guide for the VC400 Video Conferencing System52The current receiver volume of the system is displayed on the left of the displaydevice.- Press on the VCP40 phone to adjust the receiver volume.The LCD screen of the VCP40 phone displays the current receiver volume.The display device will display the receiver volume simultaneously.NoteMeeting password is used to manage the incoming calls. If you enable this feature, onlythe people who know the meeting password can dial your system.If your system is idle, meeting password can prevent people from dialing your system. Ifyour system is during a call or conducting a conference call, meeting password canprevent unauthorized people from joining.NoteIf the VCP40 phone is not the active audio device of the system, you can still use it toadjust the system volume.You can add specified users to the meeting whitelist. Users in the whitelist can dial yoursystem directly without meeting password. For more information on meeting whitelist,refer to Meeting Whitelist on page 53.