Cisco IP Phone 7821 helps to meet the needs of both information workers and managers who have occasional-to-light voice communications requirements wo-lines deliver more efficient call handling. High-resolution graphical grayscale display makes viewing easier. Dedicated fixed keys (Includes messaging, directory, speaker, and a two-way navigation button) ease communications for increased productivity. Built-in speakerphone supports hands-free communications. Wideband audio enhances clarity with the handset, speaker, or a headset.