The Polycom CX600 IP phone delivers all the features included in Microsoft Lync environments. You’ll find it to be a cost effective mainstream desktop phone that features Polycom HD Voice technology for crystal-clear calls and robust interoperability with Lync. It maximizes productivity for workers in offices and cubicles. 802.3 af POE (Power Over Ethernet) Power supply sold separately On-Screen Presence Status Indicators Embedded Lync Phone Edition client Polycom HD Voice Technology 3.5 -inch (9-cm) TFT color display