British Telecom Group Corporation, one of the world's top 500 companies, is the world's top telecommunications operator, and its main business includes long-distance services in the United Kingdom, as well as international telecommunications services and Internet services, and is a major telecommunications operator in Europe

BT Group Inc. (BT) is a publicly traded company, and British Telecom is the world's leading telecommunications operator, with its main businesses including long-distance services in the UK, as well as international telecommunications services and Internet services. BT is one of Europe's leading telecommunications operators, with local, national and international telecommunications services, high-quality broadband and internet products and services, and IT solutions. In the UK, BT provides more than 29 million lines of switching lines to more than 20 million businesses and residential customers, and provides network services to other licensed operators.

British Telecom (hereinafter referred to as BT), as a typical representative of the world's traditional fixed network operators, has completed the repositioning of a network-based integrated information and communication service provider by establishing long-term customer relationships and implementing key measures such as business transformation, network transformation and organizational transformation in the face of severe heterogeneous diversion, intensified competition in the same industry, and new technologies and new services, and has become a model for the transformation of traditional fixed network operators.