The HP 4120 IP Phone Series is optimized for use with Microsoft Lync. Unified Communications and can support Office 365 Microsoft's familiar Office desktop suite combined with the latest cloud-based versions of Microsoft's next-generation communications and collaboration services. All Lync-optimized IP phone features are supported by the HP 4120 IP Phone Series including Microsoft's "Better Together" mode which leverages Lync's powerful collaboration capabilities. The HP 4120 IP Phone Series is ideal for small enterprises and small-to-medium size businesses who wish to reduce infrastructure spending and provide the benefits of unified communications delivered through cloud services.