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近年来,电信虚拟网业务在政企客户中广泛应用,由于在用户端不用安装任何交换机,而是在电信公网上通过数据制作来实现专网功能,节约投资成本减轻维护负担,对大客户而言具有极大的吸引力。企业内部实现短号互通且免费,对外则是长号互通并可以使用普通电话的所有程控业务,享有灵活的资费。
In recent years, telecom virtual network services are widely used by government and enterprise customers. Since no switches are installed on the clients, private network functions are realized through data production on the telecom public network, the investment cost is saved, the maintenance burden is reduced, Words have great appeal. Corporations within the enterprise to achieve interoperability and free of charge, the external is the trombone interoperability and can use the ordinary telephone program-controlled business, enjoy a flexible tariff.