...In addition to providing Account Management, ExchangeRate Management, Rate Management, Package Management, Cards Management, Gateway Management, Phone Management, Softswitch Management, IVR Management, System Management, User Management, Data Query and Web Self-Service System, the system also integrates add-on modules like the Global Card Business System (support 10 million cards) and Extreme Media Proxy, for you to build a stable , reliable and High-Performance operating system. VOS3000 softswitch supports SIP/H323/SIP-H323, with capacity up to 10,000 concurrent calls. Enhance processing performance, lower CPU utilization. H323 Add Signaling choose for Caller(Calling Party Number/. Source Address) and Callee(Called Party Number/ Destination. Add process number as local phone function for mapping gateway.