Led by Randall L. Stephenson, chairman and CEO, AT&T is the product of the former SBC’s 2005 acquisition of its one-time parent AT&T and later fellow RBOC BellSouth. In the wireline segment, AT&T has been aggressively expanding its rollout of both IP-based business services (Ethernet and VPN) and consumer broadband and video (U-verse IPTV and broadband service).

(Source: Yahoo!)AT&T's Wireline segment provides voice services, including local and long-distance services, calling card, 1-800 services, conference calling, wholesale switched access service, caller ID, call waiting, and voice mail services; and application management, security service, integration services, customer premises equipment, outsourcing, government-related services, and satellite video services. This segment also offers data services, such as switched and dedicated transport, Internet access and network integration, data equipment, and U-verse services; high-speed connections comprising private lines, packet, dedicated Internet, and enterprise networking services, as well as DSL/broadband, dial-up Internet access, and WiFi products; businesses voice applications over IP-based networks; and local, interstate, and international wholesale networking capacity to other service providers. In addition, its Advertising solutions segment publishes yellow and white pages directories, and sells directory advertising and Internet-based advertising and local search.