Nokia Corporation engages in the network and technology businesses worldwide. The company operates in four segments: Ultra Broadband Networks, Global Services, IP Networks and Applications, and Nokia Technologies. It focuses on mobile radio including macro radio, small cells, and cloud native radio solutions for communications service providers and enterprises; and provides network planning and optimization, network implementation, and systems integration, as well as company-wide managed services. The company also offers fixed networking solutions, such as copper and fiber access products, solutions, and services. In addition, it provides network infrastructure and professional services for mobile networks; and managed services for the fixed, mobile, Internet protocol (IP), and optical domains. Further, the company offers network planning, implementation, operation, and maintenance services.