摘要
本文介绍了公用和专用分组交换数据网的现状后，说明了开展标准的增值业务系统的重要性。论述了典型的增值业务系统──电子邮件和传真存储转发系统。
In this paper,after analysing the status on public and private PSDN,the significance of standard-based value added service systems is indicated.typical value added service systems such as E- mail and FAXstore- forward system are described.
出处
《电信科学》
北大核心
1994年第1期51-56,共6页
Telecommunications Science
关键词
增值业务
电子邮件
分组交换网
value added service system,E- mail,FAX store- forward,X. 400,FPAD
