Three-line desktop phone featuring Polycom HD Voice and productivity enhancing applications through a high-resolution, graphical backlit display. The SoundPoint IP 450 desktop phone is designed to bring advanced telephony features and applications to cubicle/offce workers handling a moderate volume of calls.  With its high-resolution, graphical backlit display supporting multiple languages and Asian characters, applications enabled XML Microbrowser, and Polycom HD Voice, the SoundPoint IP 450 sets new standards for the mid-range SIP desktop phone. The SoundPoint IP 450 features Polycom HD Voice, bringing life-like richness and clarity to every call.  Polycom HD Voice incorporates wideband audio for over twice the voice clarity, Polycom’s patented Acoustic Clarity Technology for crystal-clear, noise and echo-free sound, plus best-in-class system design for high-fdelity voice reproduction. An enterprise-grade phone, the SoundPoint IP 450 delivers an easy-to-navigate menu and a combination of 17 dedicated hard keys and four content sensitive soft keys on a backlit, multi-level grayscale 256 x 116 pixel LCD display. Hosting a built-in XML Microbrowser, the SoundPoint IP 450 offers an easy- to-access graphical interface to run productivity-enhancing third-party applications using Polycom’s fexible and open XML API. Optional power supply (see beside box). Choose 'Power Sup.' to provide power when in-line Power over Ethernet (PoE) is not available.