SBC Communications was a major telecommunications company based in the United States. It provided a range of services, including local and long-distance telephone services, broadband internet, and digital television. SBC was known for its extensive network infrastructure and played a significant role in the telecommunications industry. In 2005, SBC Communications acquired AT&T Corp., rebranding itself as AT&T Inc. This merger created one of the largest telecommunications companies in the world, expanding its reach and service offerings. The company continues to operate under the AT&T brand, providing various communication and entertainment services to millions of customers.