telephone communication system

基本解释

In another way, the presently-used telephone communication system commonly hasn't the function of explosion-proof.
另外，目前的电话通信系统普遍不具有防爆功能。
Multi-line telephone billing management system is to meet the hotel, the hotel needs a developed telephone communication management system.
多路直线电话计费管理系统是一种为适应宾馆、酒店需求而开发出来的一种电话通讯管理系统。
With 60 junction lines, the telephone communication system will operate by virtual exchange. The Exhibition Hall is equipped with IC telephones.
电话通讯系统采用虚拟交换局方式，中继线60条，展馆内外采用ic卡。