论文部分内容阅读
(Ⅲ)通信自动化系统——CAS 美国作家奈斯比特在《大趋势》中指出:“推动美国前进的两大发明是火车和电报电话。而现在使地球变成地球村的梦想正由交通和通信来实现。”对于大楼来说,通信系统是必不可少的基础设施,本部分简要介绍用户可享受的电信业务。 1.电话业务 电话业务包括国内长途电话、国际电话、市内电话、农村电话、会议电话、移动电话、语音平台及电话智能网等业务。 其中电话智能网业务是在电话网上叠加智能网后开发的被叫集中付费业
(III) COMMUNICATION AUTOMATION SYSTEM - CASS American writer Nesbitt pointed out in “The Megatrends”: “The two great inventions that propel the United States forward are trains and telephones, and the dream of turning the earth into a global village now consists of traffic and communications To achieve. ”For the building, the communication system is an essential infrastructure, this section briefly describes the user can enjoy the telecommunications business. 1. Telephone Business Telephone services include domestic long-distance telephone, international telephone, local telephone, rural telephone, conference telephone, mobile telephone, voice platform and telephone intelligent network. One telephone intelligent network business is in the telephone network after the superposition of intelligent network called the development of the centralized payment industry