The Inter-Tel Axxess phones include the Axxess 550.8662e, 550.8560, 550.8520, 550.8660, 550.8520, 8520, 8560, 8660, and 8662e. The phones connect to both the Axxess phone system as well as the newer Mitel CS-5000 system. Dotcom Computers has a large variety of Axxess phones in stock and ready to ship. All phones are backed by our standard warranty.