administration telephone network 行政电话网
Cellular mobile telephone network 蜂窝式移动电话系统
Dedicated telephone network 电话专网
Digital Telephone Network 数字电话网络; 数字电话网
Digital Telephone Network DTN 数字电话网络
Fixed Telephone Network 固定电话网
GSTN General Switched Telephone Network 普通切换式电话网
inland telephone network 国内电话网
IP telephone network IP电话网络
Large Telephone Traffic Simulation 大话务模拟
leased line telephone network 租用线电话网络
Local telephone network 本地电话网; 本地网; 市内电话网
Multi-Tandem Telephone Network 多汇接局电话网
Network Telephone 网络电话
packet switching telephone network 分封交换电话网络
private switched telephone network 专用通信网
private telephone network 专用电话网络; 私用电话网络
PSTN Public switched telephone network 公共电话交换网
Public Switch Telephone Network 公众交换电话网络