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