Revolutionary Voice Quality – Polycom HD Voice technology enables life-like richness, clarity, and interactivity of voice communications5 Advanced Features & Applications1 – • Four lines • Backlit 320 x 160-pixel graphical grayscale LCD • Shared call/bridged line appearance • Busy lamp field (BLF) • Presence, buddy lists • XHTML micro-browser for Web applications Efficient Installation and Provisioning – • Integrated IEEE 802.3af Power over Ethernet (PoE) support • Remote, zero-touch provisioning with support of a variety of servers Broad Interoperability – Certified to support a comprehensive set of features with a variety of leading SIP-based IP PBX and Softswitch platforms2 and to interoperate with Microsoft Live Communications Server for telephony and presence4