Avaya is a global leader in enterprise communications systems. The company provides unified communications, contact centers, and related services directly and through its channel partners to leading businesses and organizations around the world. Enterprises of all sizes depend on Avaya for state-of-the-art communications that improve efficiency, collaboration, customer service and competitiveness. Avaya systems can support your new Avaya phones as well as your legacy Nortel phones, offering you the latest technologies while protecting your current investment. Avaya IP Office is the right choice for any small or medium business, regardless of size and the number of locations.