NS ENM Co., Ltd. engages in the development and provision of wireless Internet solutions and services. It develops software that provides core network solutions such as Media Gateways (MGs), Signaling Gateways (SGs), Caller Ring Back Tones (CRBT) solutions, and others; mobile embedded software; wireless Internet solutions; and mobile convergences. The company was founded on April 26, 2000 and is headquartered in Seoul, South Korea.