CyberData 011146 VoIP/SIP Paging Server with Bell Scheduler The CyberData SIP Paging Server enables users, through a single SIP phone extension, to access multiple zones for paging with bell scheduling in a VoIP network and to connect to legacy analog overhead paging systems Bell Scheduler with up to 25 bells, 25 user uploadable stored messages Line-In connection for background music multicasting, Line-out connection to support analog amplifiers Form Factor: Rack-mountableHeight: 1.2"Width: 4.1"Depth: 6.1"Limited Warranty: 2 Year PoE 802.3af enabled (Power-over-Ethernet) or Power Adapter (sold separately)