For example, I was offered an optional training course in Asterisk, an open source PBX (like Linux for phone systems) in 2006.
2
进行程控交换机数据库编程以及常规服务变更,以控制所有酒店内所有电话机的服务等级。
Performs PABX data-base programming and regular service change to control class of service on all telephone sets in the hotel.
3
本文提出研制新型的基于CAN总线的数字程控交换机替换原有的全电子式自动电话交换机。
This article is proposed to develop a new type of digit programme-controlled telephone switching board which is based upon the CAN bus to replace the old automatic telephone switchboard.