程控电话是指接入程控电话市内交换机的电话。程控电话交换机是由计算机控制的,以预先编好的程序来控制交换机的接续动作,它的控制方式叫做“存储程序控制”,因而简称为“程控”。由于程控电话是利用计算机对电话的接续动作进行程序控制的,因此它与普通的采用机电式交换机的电话相比,具有接续速度快、服务功能多、使用效率高等优点,并便于在电话网内开放数据、图像通 Program-controlled telephone refers to the program-controlled telephone city exchange telephone. Program-controlled telephone exchange is controlled by the computer, pre-programmed program to control the switch connection action, and its control method is called “stored procedure control” and therefore referred to as “program control.” Program-controlled telephones use the computer to control the subsequent actions of the telephones. Compared with the ordinary telephones with electromechanical switches, the program-controlled telephones have the advantages of faster connection speed, more service functions and higher use efficiency, and are easy to be used in the telephone network Open data, image pass