The Polycom CX500 IP phone features embedded Lync 2010 software, allowing it to be seamlessly deployed within Lync Server 2010 environments. Its clutter free design & large color display for viewing call & directory information provide the ultimate in calling convenience for common areas, such as lobbies, hallways & break rooms. The CX500 features standard Power over Ethernet (Po E) connectivity & an optional tamper-resistant wall mount providing flexibility & freedom. It also takes full advantage of the device-only user mode in Lync Server & doesn't require a connection to a PC making it ideal for deployment in public areas. Featuring Polycom HD Voice technology, the CX500 phone brings life-like richness & clarity to every call. Polycom HD Voice technology incorporates Microsoft RTAudio wideband audio with Polycom Acoustic Clarity technology for crystal-clear, noise, & echo-free sound; as well as best-in-class system design for high-fidelity voice reproduction.