分组交换网传送语音信息

Telephone Communication on Packet Switching Network

本文先简单说明传统公用电话网的电路交换和数据通信网的分组交换原理。然后介绍语音压缩和分组语音技术在互联网和内部网上的应用 ,以实现互联网电话的新趋向。

The paper briefly describes the circuit switching used in telephone network and packet switching used for data transmission.Then,it explains the application of the speech compression and packet audio technologies in the Internet and intranet,thereby realizing the I phone in current trends.