shoretel ip 420 phone (10495)

130x28 pixeled backlit screen with high contrast for easy reading Half-duplex speakerphone Built-in 10/100 Ethernet switch Feature keys include Transfer, Conference, Hold, History, Voicemail, Directory Powered via Power-over-ethernet (Po E). If Po E is not available on your network, an optional Po E Adapter will be needed (SOLD SEPARATELY).