- SIP compliant- PoE powered (class 3, <13 Watts)- Paging prioritization- Plays audio from standard multicast sources- SIP endpoint or multicast group member- Red call status LED indicator- Compatible with Polycom multicast paging- Built-in high efficiency 6 Watt class D amplifier- Can drive up to six 8 ohm analog speakers for greater coverage- SIP/Multicast: SIP page, SIP page and zoned multicast receive- Support for access code to prevent unwanted SIP calls- Hangs up on: busy signal, time-out, or touch tone command- Network remote speaker volume control- Mounting: Magnetically attach to speaker magnet or fasten to the 25/70V transformer mounting holes on speaker frame- Chassis protects circuitry against plenum dust- Diagnostics for testing speaker- Programmable pre-page alert tone