Open box item with a 90 day Warranty from NETXUSA Digium Phone, D70 6-Line SIP with HD Voice, Backlit Display An HDVoice, PoE phone with 6-line keys and 10 digital, rapid dial buttons with real-time status information and busy lamp field indicators for 100 of your most important contacts. Designed for administrators or executives. Complement your Asterisk solution Completely customize your end-to-end phone system using Digium's Asterisk Open Source software and the Digium phones exclusively built for Asterisk. Take advantage of the App Engine. More than XML pages, Digium phone apps can interface directly with core phone Tightly Integrate with Switchvox Extend the power of Switchvox, to your desk phone with this complete business phone system. With no touch installation and intuitive built-in apps you can easily manage and customize your caller's experience directly on your desktop phone. 6 line keys. 4 XML programmable keys. 10 BLF keys with LCD display. Optional extension module (sidecar). 320x160 screen. Additional buttons Do Not Disturb, applications, directory, and menu buttons.