dial exchange

Earliest community automatic exchange network installed in Wisconsin.

威斯康星州首次安装社区自动交换局网络。

Interoffice direct signalling system for telephone automatic switching network

GB3379-1982电话自动交换网局间直流信号方式

machine driven switching system

机动制自动电话交换机

Interoffice junction digital line signalling system for telephone automatic switching network

GB3971.2-1983电话自动交换网局间中继数字型线路信号方式

director ,for automatic switchboards and exchanges

自动交换台和交换机导向器

keyboard for non-automatic switchboards and exchanges

非自动交换台和交换机键盘

fully automatic reperforator switching

全自动复凿孔机交换制

automatic switching of telegraph and telephone

电报-电话自动交换

automatic local exchange

市内电话自动交换机

automatic toll switching system

长途电话自动交换机

semi-automatic private branch exchange

半自动专用小交换机

automatic telex exchange

自动用户电报交换机

VADE (Versatile Automatic Data Exchange)

多用途自动数据交换机

versatile automatic data exchanger

多用自动数据交换机

PABX [Private Automatic Branch Exchange]

私用自动分机交换机

local automatic circuit exchange

市内自动线路交换机

crossbar automatic telephone system

纵横制自动电话交换机

computer telephone exchange

电脑自动电话交换机