UANGEL Corporation engages in planning, developing, and selling information and communication-related software and systems in South Korea and internationally. The company's mobile network solutions include unified IP multimedia subsystem, next generation intelligent network, integrated signaling controller, policy and charging control, convergence billing, and messaging solutions, as well as evolved multimedia broadcast/multicast service for LTE Broadcast and PS-LTE. It also provides IoT solutions, such as F.QMS, a quality management solution for smart factories; C.FMS, a facility management solution for smart cities; C.STS, a safety and tracking solution for smart cities; E.EVCS, an electronic vehicle charging and service solution for smart energy; and IoT Service Gateway, which offers mobile communication network function to external service providers as an open API or manages small capacity data communication with the IoT terminals. In addition, the company offers customized ring-back tone; BizConnect, a business social media platform; BizMessaging, a business SMS messaging solution; Call Manager Office, a convergent service between wired telephone and smart devices; smart banking and non-face-to-face real name authentication system services platforms. Further, it provides Edutech ToMo, a specialized Edutech brand; ToMoKids, a children's play and learn solution; ToMoNOTE, an online-offline integrated teaching activity support program for early childhood education by teachers; and ToMoRING, a smart sharing service for use as a home schooling material that provides school memo function between the institute and parents, album sharing function, and educational contents. UANGEL Corporation was founded in 1999 and is headquartered in Seongnam-si, South Korea.