VXi LIMITED WARRANTY 1. If your VXi product fails to work for any reason during the first two years from the date of purchase as shown by the purchaser's warranty registration, VXi will repair or replace the headset or amplifier, at its election, free of charge. You may register your warranty online at www.vxicorp.com, or by calling customer service at 800-742-8588. Without warranty registration, the warranty period begins on the date of manufacture.