Nextgen Inc

Nextgen, Inc., established in 2001 and based in Tokyo, Japan, specializes in delivering telecommunication, SIP/VoIP security, and comprehensive enterprise solutions. The company furnishes various telecommunication carriers with high-performance, carrier-grade SIP/VoIP systems. Its product line also encompasses advanced VoIP quality assurance tools, including the NX-VNS VoIP node simulator, the NX-V3S SIP fuzz tester, and the NX-V3R RTP/RTCP signaling test tool. Additionally, Nextgen offers the NX-C6000/NX-C6500, a sophisticated network forensic and intrusion detection system specifically engineered for VoIP/IMS core networks. The firm performs thorough SIP/VoIP security audits for a clientele comprising telecom carriers, mobile operators, system vendors, and integrators within the VoIP/IMS domain. For business clients, Nextgen provides solutions such as session border controllers, subscriber storing softswitches, HSS/HLR functionalities, and IP-PBX systems, alongside versatile voice logging solutions suitable for networks ranging from small to large scale.