An HDVoice, Po E phone with 6-line keys & 10 digital, rapid dial buttons with real-time status information & busy lamp field indicators for 100 of your most important contacts. Designed for administrators or executives. 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. Digiums 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 4.5 inch, 320 by 160 pixel backlit grayscale LCD display 6 line appearance keys 10 feature keys 4 context sensitive soft keys 113 x 357 pixel backlit Rapid Dial panel LCD 10 x 10 programmable Rapid Dial / BLF keys 6-key navigation controll Headset, speaker, & mute keys 2-color LED Message Waiting Indicator Volume control RJ-9 handset jack RJ-9 headset jack 2 switched 10/100/1000 Mbps Ethernet ports 5 volt DC power port