Algo 8373 Zone SIP to Analog IP Paging Adapter<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Analog paging system to Multi-zone SIP (Voice over IP) Adapter</li><li>Three (3) internal zone control relays; expandable with multiple 8373 units</li><li>Supports Multicast Transmit/Receive， Extension plus zone dialing， Multiple SIP Registrations</li><li>XLR &amp; Terminal Block Connections (includes terminal block connector kit)</li><li>Network managed and supervised SIP endpoint; Requires PoE Power</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Kk01hX2wL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51WdAeHoRrL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41VNcoiKX6L.jpg" noproxy>