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

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

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

public switched telephone network  电话公网; 电话网; 公用电话网络; 公用电话网; 公共电话交换网; 公用交换电话网; 固定电话网络; 公共交换电话网路; 公用交换电话网络

public switched telephone network {= PSTN}  公众交换电话网络