The Yealink SIP-T33G Classic IP Phone is a corded telephone with 2 phone lines, featuring wideband audio and speakerphone capabilities. With the convenience of Power Over Ethernet (PoE) support, this black phone from Yealink is easy to set up and use. The unit comes with one interface via Ethernet (RJ-45) and is designed to provide high-quality communication for office or home use.