公用电话交换网与互联网的融合编者按：互联网在短短的若干年内已如此快速发展，其中的奥妙在于它越来越依靠已存在一百多年，几乎无处不在，使用简便，收费低廉，性能稳定，为广大用户所接受的大众化通信网，即公用电话交换网。但是，好景不长在，随着互联网用户的猛长，... Public Switched Telephone Network and Internet Convergence Editor’s Note: The Internet has grown so rapidly in just a few short years, the secret of which is that it has relied more and more on its existence for over a hundred years, is almost ubiquitous, easy to use, inexpensive, Stable performance, for the majority of users accepted by the popular communications network, that is, public switched telephone network. However, the good news is not long, with the fierce Internet users, ...