The GXP2135 is an enterprise-grade IP phone that supports Gigabit speeds and up to 32 virtual BLF/speed-dial keys,making it ideal for busy workers. This Enterprise IP Phone features up to 8 lines/line keys and 4 SIP accounts usinga 2.8 inch color display LCD and full HD audio. The GXP2135 includes up to 32 digital, on-screen speed dial/BLF keysto help users be more productive and efficient. This Enterprise IP Phone supports the fastest possible connectionspeeds with dual Gigabit network ports, features integrated PoE and includes built-in Bluetooth for syncing withmobile devices and Bluetooth headsets. The GXP2135 is the perfect choice for business users looking for a powerfuland reliable IP phone with advanced functionality.