通信事业的发展,促使各种信息传播媒体越来越多,通信方式也越趋成熟和多样化。现在,人们常接触到的通信方式已不仅仅是电话、电板和传真,数据通信、可视图文通信、电子信箱、会议电话以至联通全球的国际互联网(Internet)已开始走入人们的日常工作和生活中。随之而来的是,电信部门根据各种通信的传 The development of communication causes more and more various kinds of information media and more mature and diversified communication methods. Nowadays, people often come into contact with more than just the telephone, electric board and fax, data communications, video and visual communications, e-mail, conference calls and Unicom’s global Internet has begun to walk into people’s daily lives Work and life. What followed was the telecommunications department based on various communications