Class 5 and subscriber accommodating soft switch which is used in telecommunication carrier's VoIP core system. It supports standard VoIP communication and IP Centrex services for consumers and used as cloud PBX.

Extensibility:
- NX-C1000 accommodates up to 1M users. 1 server install will cover small start as well as increase and separate the servers as number of users multiply.

Reliability:
- NX-C1000 are all redundant nodes with carrier grade scale.

Options:
- NextGen offers equipment constituting VoIP network such as Class4 media gateway and SBC. Peripheral system also available which consists of VoIP system monitoring, pay-as-you-go, and self-provisioning.