Nextgen,Inc.

Nextgen, Inc. provides telecommunication, SIP/VoIP security, and enterprise solutions in Japan. It offers carrier-grade SIP/VoIP systems to telecommunication carriers, along with VoIP QA testing tools such as the NX-VNS VoIP node simulator, the NX-V3S SIP fuzz test tool, the NX-V3R RTP/RTCP protocol, and the NX-C6000/NX-C6500 network forensic and IDS system for VoIP/IMS core networks. The company also provides SIP/VoIP security audits for telecom carriers, mobile operators, and VoIP/IMS system vendors and integrators. In addition, it offers session border controllers, subscriber-storing softswitches, HSS/HLR solutions, IP-PBX solutions for enterprises, and voice logging solutions for small to large networks. Incorporated in 2001, it is headquartered in Tokyo, Japan.