Aastra Venture IP 480i Telephone System Enhanced Call Management  Large storage for personal directory, callers log, and redial list Large display  Eight-line backlit screen with six context sensitive softkeys provides more information and flexibility in call handling Multiple Line/Call Appearance Lights  Support up to 9 simultaneous calls. Juggle multiple calls easily with a single press of a button Shared Call Appearances  Shared calls allow you to place a call on hold at one set and pick it up easily at another set Protect Your Investments  Firmware upgrades can be downloaded and installed in the field as standards develop and protocols evolve