Network telephone technology is a new and pure application of network technology, totally different from traditional communication technologies and with essential differences from IP telephone.
网络电话技术完全不同于传统的通信技术，是新的、纯粹的网络技术的应用，与IP电话也有本质的区别。
Network telephone technology is a new and pure application of network technology, totally different from traditional communication technologies and with essential differences from IP telephone.
网络电话技术完全不同于传统的通信技术，是新的、纯粹的网络技术的应用，与IP电话也有本质的区别。
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