The Cisco 7821 IP Phone is a versatile and reliable communication device that supports VoIP technology, making it ideal for use in lobbies, guest rooms, and conference halls. This refurbished model features a sleek charcoal design and can be mounted on walls or used as a tabletop phone. It offers two total lines and comes equipped with User Connect License, Enhanced User Connect License, and Unified Communications Manager. With two RJ-45 network ports and Power over Ethernet (PoE) capability, it allows for data and power transfer over a single cable, ensuring seamless connectivity even in areas without power outlets. Enjoy crystal-clear voice calls and a user-friendly interface with this high-fidelity phone.