This case study details how Telstra created competitive advantage in the tightly contested Australian pre-paid mobile market. Telstra is Australia's largest Telecommunications service provider with revenue of AUD24.98 billion and EBITDA of AUD10.15 billion (FY2011 company accounts). A profitable company with healthy margins, Telstra provides a comprehensive range of services to both consumer and business markets. These include local/national/international voice and data services, IT services, internet services, wholesale, media, online and mobile communications.