The core business of Nokia is telecommunication. Nokia mainly has four reportable segments' Mobile Networks, Network Infrastructure, Cloud and Network Services & Nokia Technologies. Mobile Networks includes mobile network products, network deployment and technical support services and related network management. It offers the full portfolio for customers who want to buy mobile access networks. It targets leadership in key technologies such as 5G, ORAN and vRAN. Network Infrastructure: Under this, Nokia provides net sales disclosure for Fixed Networks, IP Networks, Optical Networks and Submarine Networks. Cloud & Network Services includes the Nokia Software business, Nokia's enterprise solutions, core network solutions including both voice and packet core, and managed and advanced services from its Global Services unit. Nokia Technologies includes diverse technology features designed to bring the human family closer together.