GXP2135 VoIP SIP telephone, 2 x Gigabit Ethernet, 8 x line keys, AC + PoE, 2.8 inch colour TFT LCD, HD audio, RJ9 headset jack, EHS support for specific Jabra, Plantronics and VBeT headsets (EHS cable required), Bluetooth V2.1. Replacement AC adpaters are GRAC2 and GRAC3. Standard 1-Year Manufacturer’s Warranty