AT&T Inc. (AT&T) is a holding company. AT&T is a provider of telecommunications services in the United States and worldwide. Services offered include wireless communications, local exchange services and long-distance services. AT&T operates in four segments: Wireless, Wireline, Advertising Solutions and Other. Its Wireless subsidiaries provide both wireless voice and data communications services across the United States, and through roaming agreements, in a substantial number of foreign countries. Wireline subsidiaries provide primarily landline voice and data communication services, AT&T U-verse TV, high-speed broadband and voice services (U-verse) and managed networking to business customers. Advertising solutions subsidiaries publish Yellow and White Pages directories and sell directory advertising and Internet-based advertising and local search. AT&T�s Other segment includes customer information services (operator services) and corporate and other operations.