IS-660 is a IP Ceiling POE Speaker provide a user-friendly control andsimple 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 orclasses 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 Catalog User manual Presentation Features SIP (RFC 3261) compatible Web-based configuration Web-based firmware upgradable High efficiency speaker driver Powerful built-in amplifier:6W Remote control Work with extra IP Speaker Server to make group broadcast Specifications: Speaker:12,7 cm ( 5 Zoll ) 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 Application: System Integrator Large Multinational Corporation Design firm Framework