This Yealink SIPT58A VoIP phone is a top-of-the-line device designed for businesses and enterprise networking. With 16 phone lines, it provides reliable and efficient communication for your organization. The phone features a sleek black color and comes with a range of useful features, including Bluetooth and Ethernet (RJ-45) interface.The phone is manufactured by Yealink, a trusted brand known for producing high-quality communication devices. I This IP phone is perfect for use in VoIP business phones and IP PBX systems. **TESTED** In perfect working order.