UANGEL Corporation provides mobile network, IoT, service platform, and edutech solutions in South Korea and internationally. It develops various commercial core solutions for local mobile communication services, including 4G LTE and IoT services. 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 multimedia broadcast/multicast services for LTE and public safety-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, BizMessaging, Call Manager Office, smart banking, and non-face-to-face real name authentication system services platforms. Further, it provides ToMoKids, a children's play and learn solution; ToMoNOTE, an online-offline integrated teaching activity support program for early childhood education by teachers in the preschool institutes, as well as learning curriculum in physical exercise and health, communication, social relations, art experience, and nature exploration areas; 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.