... market demand the development of a well-Intelligent Voice Gateway;The is Modular design of the product,Integrates all ... excellence.Product Features 1,Modular structure,Analog ground for,Relay Access,Call Center,Branches of large companies,SME internal extension, ... convenience Support ADSL Modem, LAN, Cable Modem and other access ways; Friendly management interface,variety of management:Simple command- ...