An HDVoice, Po E phone with 2-line keys. Digium's best value phone designed to work for any employee in your company. Digium IP Phones include unprecedented HD Voice & plug-&-play deployment at a price that fits any budget. With multiple line appearances, context sensitive soft keys, & advanced applications, you can access the information you need instantly. Digium's phones are the only phones that allow you to take full advantage of the flexibility & customization of Asterisk & Switchvox. The integrated applications that come standard on all Digium phones put critical information at your fingertips. With voicemail, call log, contacts, phone status, user presence, parking & queue metrics, the Digium phones provide simple, intuitive access to a wealth of information, saving valuable time. Digium phones support plug & play provisioning. Simply plug the phones in, automatically discover your Asterisk or Switchvox server, select the user, & start talking. Digium phones make it easier to do full office installs too. Features 3.5 inch, 240 x 120 pixel backlit grayscale LCD display 2 line appearance keys 4 feature keys 4 context sensitive soft keys 6-key navigation controller Headset, speaker, & mute keys 2-colour LED Message Waiting indicator Volume control RJ-9 headset jack 2 switched 10/100 Mbps Ethernet ports 802.3at with 802.3af compatibility Power over Ethernet (Po E) 5 volt DC power port