The CyberData Multicast Microphone is a device that allows the user while pressing the "Page" button to broadcast a live or buffered announcements directly to VoIP audio endpoints that support Multicast. This PoE-powered product is perfect for immediate live paging in schools retail stores and manufacturing environments. In an echo sensitive environment the delayed page support allows the user to record a message while the page button is depressed. Once the page button is released the page will be sent.