互通[电话]制  intercommunicating system

内部互通电话  interphone

模拟电话通话  simulate telephone communication

共电电话机  common battary telephone set; telephone set; common battary

市内电话电话号码配换选号  Selection or Change of Telephone Number

电机互锁  motor interlocking

互话机  hand walkie talkie

互通机  interphone

集群电话互连  trunked telephone connect

集群电话互连器  trunked telephone connector

同线相互通话  reverting call

PHS个人手持电话通信系统  PHS personal handy-phone system

电话接通-通话完毕  TA

电话通道  telephone channel

电话通信  telephone communication; voice communication

电话通信网  telephone network

电话通信系统  Telephone communication system; telephony system

电话通信用户组  TCG Telephone Communication Group

电话通讯  telephone communication; Communication; Telephone