Mitel/Aastra 9143i 9-Line VoIP Phone with Backlit Display (A1733-0131-10-05) New Condition: New Mitel/Aastra 9143i 9-Line VoIP Phone with Backlit Display (A1733-0131-10-05) Overview The Aastra 9143i offers advanced features and security in a standards based, carrier-grade IP telephone. The 9143i is ideally suited as an... $109.99 Compare