Ideal for workers who handle high-call volumes, the GXP2135 is a High-End IP phone that supports Gigabit speeds and up to 32 virtual BLF/speed-dial keys. This High-End IP Phone features up to 8 lines/line keys and 4 SIP accounts using a 2.8 inch color display LCD and full HD audio. The GXP2135 includes up to 32 digital, on-screen speed dial/BLF keys to help users be more productive and efficient. It supports the fastest possible connection speeds with dual Gigabit network ports, features integrated PoE and includes built-in Bluetooth for syncing with mobile devices and Bluetooth headsets. It can be provisioned in a variety of ways, including XML config files, TR-069 and using the Zero Configuration feature on any of Grandstream's UCM series IP PBXs. The GXP2135 is the perfect choice for business users looking for a powerful and reliable IP phone with advanced functionality.