PoE powered class 2, 6.5 watts Paging prioritization Plays audio from multicast SIP endpoint or multicast group member Supports up to 10 multicast paging groups Red “Page/Status” LED indicator SIP compliant Network downloadable firmware Autoprovisioning via Viking programming software Built in high efficiency 4 watt class D amplifier Relay for activating door locks, strobe lights, external amplifiers, etc. SIP/Multicast SIP page, SIP page and zoned multicast stream, zoned multicast receive Support for access code to prevent unwanted SIP calls Line level audio output for connecting to an external amplifier Network remote volume control Can drive additional external analog speakers for greater coverage