Portech VoIP SIP IP Speaker IS660 PoE CeilingSpeaker

["IS-660 is a IP Ceiling POE Speaker provide a user-friendly control and simple voice broadcasting. The product is designed to provide easy use for any office, department store, factory, school to be able to quickly broadcast announcements to their any assigned office or branch or classes IS-660 can work P to P ,IP to IP and Compatible with IP-PBX,Traditional PBX,Asterisk Option: IP Broadcasting System User can broadcast announcements to a group of office or branch or classes. IBS-5: handle 5 pcs IS serial devices IBS-10: handle 10 pcs IS serial devices IBS-20: handle 20 pcs IS serial devices IBS-40: handle 40 pcs IS serial devices IBS-60: handle 60 pcs IS serial devices IBS-80: handle 80 pcs IS serial devices IBS-200: handle 200 pcs IS serial devices Work with extra IP Speaker Server to make group broadcast Codec:G.711 u-Law,G.711 a-Law,G.729A,G.729A/B option: Power over Ethernet(POE) injector spec: IEEE 802.3at (max.30W) (compatible with non-standard/standard POE Injector,POE Switch)", "SIP (RFC 3261) compatible", "Web-based configuration", "Web-based firmware upgradable", "Highly efficient speaker driver", "Powerful built-in amplifier:6W", "Remote control", "Work with extra IP Speaker Server to make group broadcast", "Speaker:5\"", "Protocols:SIP (RFC2543,RFC3261)", "Codec:G.711 u-Law,G.711 a-Law,G.729A,G.729A/B", "LAN connection :RJ-45 connector", "Ethernet I/F 10/100 Mbps", "option: Power over Ethernet(POE) injector spec: IEEE 802.3at (max.30W) (compatible with non-standard/standard POE Injector,POE Switch)", "Dimensions 19.8 X 16.6 X 11 cm", "Weight: 900g", "Warranty 1 year", "System integrator", "Large multinational corporation", "Design firm"]