Key Features:
Ugraded processor and memory compared to VVX500
Features UCS 5.4.1
Gigabit Ethernet
3.5 LCD touch screen Display
WebKit-based Browser
Polycom Acoustic Clarity technology providing Duplex conversations
12 Programmable keys
Shared call/bridged line appearance
Local three way conferencing
One touch speed dial
DND function
SIP protocol support
PoE Or External AC adaptor
 
If you do not have PoE, you will need to purchase a separate Power Supply Unit.