centrex

1.The paper intrduces the exchange CENTREX, dispatching equipment and the com-bination of them, and puts forward the methods of improving coalmining communication capabili-ty.

将交换机CENTREX功能用于调度机,从而提通信的综合能力。

2.EN) A implementing method of Wide Area Centrex, sets and stores the corresponding relation of the long/short number of Wide Area Centrex WAC user;

本发明公开了一种广域集中用户交换机的实现方法，设置并存储广域集中用户交换机WAC用户的长号短号对应关系；