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通信在社会活动中的重要性是尽人皆知的。人们不仅需要电话,而且日益要求话外业务的通信。因此,办公室功能自动化和综合业务数字网(ISDN)成为电信界的热门话题。本文试图就可提供的服务和所需的代价,从电话到高水平的办公室自动化设备,乃至ISDN的发展,作扼要的论述。实际上,综合业务是语声和数据通信的综合,所以论述也将从这种简单的综合开始。
The importance of communication in social activities is well known. Not only do people need a phone, but people increasingly require communication outside the business. As a result, Office Automation and Integrated Services Digital Networks (ISDN) have become a hot topic in the telecommunications industry. This article attempts to give a brief account of the services that are available and the costs, from telephony to high-level office automation equipment, and even to the development of ISDN. In fact, the integrated business is a combination of voice and data communications, so the discussion will begin with this simple synthesis.