The group's principal activity is to provide services and products to retail and wholesale customers worldwide, including prepaid debit and rechargeable calling cards, wholesale carrier services and consumer long distance services. In addition, the group operates several media and entertainment-related businesses and call center business. The group operates primarily through the following subsidiaries: idt telecom, inc., winstar holdings, llc and idt media, inc. The group delivers its telecommunications services over a network consisting of more than 220 switches in the United States, Europe and South America, including eight international 'gateway' switches and one domestic carrier switch. The group also owns and leases capacity on 26 undersea fiber-optic cables that connect its U.S. Facilities with its international facilities and with third-party facilities in Europe, Latin America and Asia. On 11-Dec-2003, the group acquired anchor bay entertainment group.