Software Session Border Controller (SBC) allows to connect different SIP servers, terminals, and devices. It interconnects network without changing existing SIP environment.

Equivalent to hardware SBC enabled by adopting Intel DPDK (Data Plane Development Kit).
See the following link:
NextGen Scales VoIP Session Border Controller Using DPDK

Subscriber storing softswitch used as telecommunication carrier’s VoIP core system. It supports standard VoIP communication services for consumers and enterprise cloud PBX.

NextGen presents all solutions to be MVNO in software format which applies in virtual environment. Necessary MVNO functions HSS, HLR, and EIR are packaged into single database. Customized software development for future services also available.