Key Features - 
Large graphics display (160 pixels × 320 pixels)
8 programmable, one-touch, multi-function, self-labeling keys (for speed dialing, line appearances, and feature access)
12 fixed function keys: menu, hold, message, speaker, mute, transfer / conference, redial, cancel, volume / ringing / contrast up and down, previous page, next page
Three context-sensitive softkeys for intuitive feature access
UC Express and UC Advanced support
Mitel 5300 Intelligent Directory support
Browser-based Desktop User Tool for easier user programming and key labeling
Dual Mode: supports Mitel IP (MiNET) and SIP protocols
Handsfree Speakerphone operation (full duplex)
Dual port IP phone (10 / 100 Mb integrated Ethernet switch)
Support for Mitel Teleworker Solution, Automatic Call Distribution (ACD) agent and supervisor hot desking, resiliency, Mitel Mobile
Supported on both Mitel Communications Director (MCD) Release 4.0 SP1 and Mitel 5000 Communications Processor (CP) Release 3.2