AT&T, Inc. provides telecommunications services to consumers and businesses in the United States and internationally. It provides wireless services, including local wireless communications, long-distance, and roaming services with various postpaid and prepaid service plans. The company also supplies various handsets and personal computer wireless data cards, as well as accessories comprising carrying cases, hands-free devices, batteries, battery chargers, and other items. AT&T’s wireline services comprise voice services comprising local and long-distance services, integrated network connections, traditional long distance and international long distance, calling card, 1-800 services, conference calling, and wholesale switched access service, as well as calling features, such as caller id, call waiting, and voice mail. Its wireline data services consist of switched and dedicated transport, Internet access and network integration, and data equipment; high-speed connections comprising private lines, packet, dedicated Internet, and enterprise networking services, as well as products, such as DSL/broadband, dial-up Internet access, and WiFi; businesses voice applications over IP-based networks; and local, interstate, and international wholesale networking capacity to other service providers. The company’s other wireline services include managed Web hosting, application management, security service, integration services, customer premises equipment, outsourcing, directory and operator assistance services, government-related services, and U-verse and satellite video services. In addition, it publishes Yellow and White Pages directories; sells directory and Internet-based advertising; and provides multi-enterprise collaboration services to businesses. The company was founded in 1983. It was formerly known as SBC Communications, Inc. and changed its name to AT&T, Inc. in 2005. The company is based in San Antonio, Texas.