Telstra Corporation Limited (Telstra) is a telecommunications and technology company. Its principal activity is to provide telecommunications and information services to domestic and international customers. The Company operates through four segments: Telstra Consumer and Small Business (TC&SB), Telstra Enterprise (TE), Networks and IT(N&IT) and Telstra InfraCo. TC&SB segment provides telecommunication products, services and solutions across mobiles, media and digital content to consumer and small business customers in Australia. TE segment provides telecommunication services, advanced technology solutions, network capacity and management, cloud, industry solutions, integrated and monitoring services to government and enterprise customers in Australia and globally. N&IT segment builds and manages software for all internal functions. Telstra InfraCo segment operates the fixed network infrastructure, including data centers, exchanges, poles, ducts, fiber network and mobile towers.