It is a distributed, telecom-level, port-to-port and unitive network which is established on single Packet Switching Network, applies Softswitch technology, all kinds of application server and media gateway technology.

• 它是建立在单一的包交换网络基础上，应用软交换技术、各种应用服务器及媒体网关技术建立起来的一种分布式的、电信级的、端到端的统一网络。