Nextgen Inc. engages in the provision of telecommunications, security, voice logging, and enterprise solutions. It operates through the following business divisions: Communication System Solution, Enterprise Solution, and Maintenance Support and Service. The Communication System Solution division handles the license sales of communication systems and network security consulting services. Its products include NX-C, NX-B, and NXI series. The Enterprise Solution division provides network security consulting services. Its products incluse IP-PBX, SIP gateway for multi-carriers, and call recorders. The Maintenance Support and Service division offers maintenance support services for telecommunication carriers and enterprises. The company was founded on November 16, 2001 and is headquartered in Tokyo, Japan.