Section 3: FeaturesProduct Description 373Background MusicDescriptionBackground Music (BGM) sends music from a customer-provided music source to speakers in key-sets. If an extension user activates it, BGM plays whenever the user’s extension is idle.Barge InDescriptionBarge In permits an extension user to break into another extension user’s established call, includingConference calls. This sets up a Conference-type conversation between the intruding extension andthe parties on the initial call. With Barge In, an extension user can get a message through to a busyco-worker right away.There are two Barge In modes: Monitor Mode (Silent Monitor) and Speech Mode. With MonitorMode, the caller Barging In can listen to another user’s conversation but cannot participate. WithSpeech Mode, the caller Barging In can listen and join another user’s conversation.Aspire• AvailableAspire• AvailableCAUTIONThe use of monitoring, recording, or listening devices to eavesdrop, monitor, retrieve, orrecord telephone conversation or other sound activities, whether or not contemporaneouswith transmission, may be illegal in certain circumstances under federal or state laws. Legaladvice should be sought prior to implementing any practice that monitors or records anytelephone conversation. Some federal and state laws require some form of notification to allparties to a telephone conversation, such as using a beep tone or other notification methodsor requiring the consent of all parties to the telephone conversation, prior to monitoring orrecording the telephone conversation. Some of these laws incorporate strict penalties.