Grandstream GXP1620 VoIP SIP telephone, 2 x Fast Ethernet, 2 x line keys, 2 x SIP accounts, AC power supply included (no PoE support) 132x48 pixel backlit LCD, HD audio, RJ9 headset jack, EHS support for specific Plantronics headsets (EHS cable requi (GXP1620)

http://www.grandstream.com/sites/default/files/Resources/datasheet_gxp1620_1625_english.pdf