Telstra Corporation Limited (Telstra) is a telecommunications and technology company. Its principal activity is to provide telecommunications and information services for domestic and international customers. It operates through four segments: Telstra Consumer and Small Business, Telstra Enterprise, Networks and IT(N&IT) and Telstra InfraCo. Telstra Consumer and Small Business is a provider of telecommunication products, services and solutions across mobiles, fixed and mobile broadband, telephony and Pay Television and digital content to the consumer and small business customers in Australia. Telstra Enterprise is engaged in the sales and contract management for medium to large business and government customers in Australia and globally. N&IT is engaged in the overall planning, design, engineering architecture and construction of Telstra networks, technology and information technology solutions. Telstra InfraCo is the provider of a wide range of telecommunication products and services.