Features:
► SIP (RFC 3261) compatible
► Night Ringer function
► Plays audio from multicast
► Web-based configuration
► Paging prioritization and background music
► Web-based firmware upgradeable
► External volume control
► Small footprint
► High efficiency speaker driver
► PoE 802.3af Enabled (Powered-over-Ethernet)
► IGMP l SIP endpoint or multicast group member
► Network-adjustable speaker volume
► Peer-to-peer capable
► Can drive one ext. analog speaker for more volume