Since 2001, Atlanta, Ga.-based AVOXI (formerly known as DOW Networks) has been providing voice over IP (VoIP) services to international businesses, with target markets that include contact centers and business process outsourcers (BPOs), hotels and resorts, international tour operators, large enterprises, and multinational corporations. In fact, UPS, Deloitte, Hilton, and Pfizer are just a few of its well-known customers.