telephone switching system

基本解释

The design methods given here have been successfully implemented in a Chinese-developed SPC digital telephone switching system.
本文所讨论的设计方法已成功地应用于国产程控数字电话交换机。
The development trends of integrated circuits used in SPC telephone switching systems, system architecture, features and requirements of the switching systems are discussed.
本文对程控数字电话交换机所用的集成电路器件，交换机的系统结构以及性能要求的发展趋势进行了讨论。
Based on the intelligent non-central-switching amplifying call and telephone talk system, the KY-2-type non-central-switching factory communication telephone system is developed in this paper.
本文在原有智能型无主机扩音对讲电话系统的基础上，研制了符合大范围、强噪声的生产场所通信要求的KY-2型无主机工厂通信系统。

Huawei also earned headlines for its activities in Afghanistan where it helped the Taliban regime create a telephone switching system in Kabul that the Indian government identified as communications surveillance equipment.
CENTERFORSECURITYPOLICY: Center For Security Policy
Under the proposed transaction, the Soviet Union will procure outright sufficient System 12 machinery to handle the switching requirements of 250, 000 telephone lines.
CENTERFORSECURITYPOLICY: Center for Security Policy Alcatel’s Soviet Joint Venture: A Sale The West Cannot Afford To Make