private switched telephone network
proportional plus integral plus derivative controlpacket switched data network
proxy cachepacket switched data network
PSDN Packet Switched data network
PSTN based circuit switched data network
PSTN Public switched telephone network
public packet switched network
public switched data network {= PSDN}
Public Switched Data Network PSDN
public switched network
public switched telephone network
公用交换电话网
公共交换电话网路
公用电话网
公共电话交换网
固定电话网络
公用交换电话网络
电话公网
电话网
公用电话网络
public switched tele-phone network
periodically switched network
public switched telephone network {= PSTN}
switched capacitor network
switched communication network
switched message network