The Cisco 9851 VoIP Phone in Carbon Black is a sleek and modern IP phone that offers high-quality wideband audio and speakerphone capabilities. With the convenience of Power Over Ethernet (PoE), this unit does not require a separate power source and can easily be connected to your network via Ethernet (RJ-45). Made by Cisco, a trusted brand in networking technology, this phone is designed for efficient and reliable communication in your home or office.