ITC DeltaCom, Inc. together with its subsidiaries, provides integrated communications services in the southeastern United States. The Company provides a range of data and voices communications services to businesses and enterprise organizations, including high-speed or broadband data communications, local exchange, long-distance, mobile data and voice and equipment services. The Company also sells transmission capacity to other communications providers on a wholesale basis. The Company offers these services primarily over its regional fiber optic network. The Company presents its revenue in three categories: (retail services, which include data and voice services provided to businesses and enterprise organizations; wholesale services, which includes the sale of transmission capacity to other telecommunications carriers; and other services, which includes the sale of customer premises equipment.