The Polycom VVX 500 MS VoIP Desktop Phone is an advanced, expandable multimedia IP phone with crystal clear sound, an intuitive touch screen and built-in web applications that provide the user with more productivity. The new UC software in the Polycom VVX 500 makes this phone suitable for all kinds of video conferencing accessories that can be easily connected to make your meetings visual. Users have access to Microsoft Exchange, which allows the calendar in the phone to be synchronized with your own calendar, so appointments are shown in your phone's display and you can join conference calls directly. It is also possible to look up contacts in the company directory. The screen of the VVX 500 can be displayed on the screen of your PC with full interaction and navigation possibilities via the mouse and keyboard of the PC. Benefits for business use: Increase the productivity of office and call center agents with an easy-to-use user interface thanks to the feature-rich touch screen Have more efficient and productive conversations with Polycom HD Voice's inimitably clear speech Reduce maintenance costs: The VVX 500 is easy to deploy and easy to manage, upgrade, and maintain Makes use of existing IT infrastructure Easily integrate with web-based UC and third-party productivity applications for broad, standards-based, open APIs Expandable to three modules for future growth of your business Suitable for all environments: from small and medium-sized businesses to large enterprises Personal newsfeed at a glance via 'My Info Portal' (stock quotes, weather reports, news, etc.) Features Up to 12 SIP registrations and 24 simultaneous Calls: Two USB ports, 2x Gigabit Ethernet 10/100/1000, 3.5" TFT touch screen Intuitive user interface, Password login, Streaming media, video playback, Video conferencing via external USB camera, WebKit-based browser, HD Sound up to 14KHz on all audio (speaker, handset, headset) "Green" - low power consumption Keys: 12-key keypad, home speaker, mute, volume, headset, Power-over-Ethernet External PSU (optional) Polycom HD Sound Cost-effective installation and maintenance Expandable to three modules Supports Headsets & Accessories On-screen virtual keyboard Voicemail and video mail support Adjustable stand (2 positions) Supports UTF-8 (8-bit Unicode Transformation Format) Multilingual user interface including Chinese, Danish, Dutch, English, French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Slovenian, Spanish, and Swedish Frequency:100 Hz - 20 kHz for handset optional headset and hands-free speakerphone modes Codecs: G.711 (A-law & u-law ley) G.729AB G.722 G.722.1 G.722.1C Separate volume settings with visual feedback for each audio path Dialogue voice control DTMF Signaling (RFC 2833 and in-band) ZTMF Signaling (RFC 2833 and In-Band) Customizable jitter buffers Packet loss concealment RJ-9 connector for headset Suitable for hearing aid wearers (H.A.C.) ITU-T P.370 and TIA 504A standard Compatible with TTY adapter material Shared Line Recognition Flexible Line Appearance (one or more line buttons can be assigned to each line extension Separate processing of incoming/queued calls Call Forwarding Put Call on Hold Record Transfer Call Conversation Info Local conference calls with three interlocutors One-touch speed dial and redial Notification panel Missed calls Do Not Disturb Function Electronic Hook Switch (EHS) support Locally configurable digit map/dial plan Open platform application WebKit enabled browser that supports HTML5 CSS, SSL, security and JavaScript Supports Polycom Apps SDK and API for third-party business and personal applications Dimensions: 19&x15x8cm Weight: 0.9 kg Supports up to three expansion modules.