以软交换为核心的下一代电信网络正是在这一背景下产生的。
The next generation network that the soft-switch is the key point was produced under this background.
下一代电信网是基于IP的网络，SS7及呼叫控制原理是软交换控制系统的重要组成部分。
The next generation telecommunication networks will be based on IP. SS7 and the fundamental of call control are main components of softswitch control system.
即下一代网络，它是电信史一块里程碑，标志着新一代电信网络时代的到来。
NGN (Next Generation Network) is a milestone of the telecommunication history, it mean the new era of the telecommunication network.
即下一代网络，它是电信史一块里程碑，标志着新一代电信网络时代的到来。
NGN (Next Generation Network) is a milestone of the telecommunication history, it mean the new era of the telecommunication network.
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