Established in 1899 Sprint offers a comprehensive range of wireless and wireline communications services, along with mobile data services. Based in Carlsbad, Calif., it provides managed IP (Internet Protocol) telephony; managed network/security services; 3G integrated wireless and wireline routers; and wireless integration services. The company further renders network security and reliability solutions. Sprint additionally extends services of leading prepaid brands, including Virgin Mobile USA, Boost Mobile, Common Cents Mobile and Assurance Wireless. It has strategic alliances with Cisco, IBM, Intel and Microsoft.