Product Type: VoIP Phone</br>Display Screen: 3.5" LCD - Backlight?? 3 lines?? 24 Character</br>Interfaces/Ports: 2 x RJ-45 10/100/1000Base-T PoE LAN</br>Color: Black</br>Form Factor: Wall-mountable</br></br>Product Description</br></br>IP Phone Technology: VoIPConnectivity Technology: CableTotal Number of Phone Lines: 1Speakerphone: YesNetwork (RJ-45): YesNumber of Network (RJ-45) Ports: 2PoE (RJ-45) Port: YesCommunication Protocols: H.323Form Factor: Wall Mountable?? DesktopLimited Warranty: 1 YearAvaya one-X is a portfolio of communications solutions that deliver a powerful and consistent communications experience for the end user - across a variety of devices and interfaces. Avaya one-X solutions provide Intelligent Access to Intelligent Communications driving enhanced productivity and competitive advantage.</br><br/>http://www.amazon.com/gp/product/B004H2ZT80