反向呼叫指示元  backward call indicators

前向呼叫-呼叫转移  call center

正向呼叫指示元  forward call indicator

超音波法液位元元元元元元测定  ultra-sonic method of liquid meaduremert

反向呼叫指示器  backward call indicator

键显示呼叫指示器  key display call indicator

群内通讯呼叫指示元  closed user group call indicator

自动显示呼叫指示器  automatic display call indicator

编码呼叫指示器  code call indicator; coded call indicator

错误指向呼叫  misalignment

等待呼叫指示器  WCI Waiting – Calls Indicator

呼叫指示灯  ringing pilot lamp

呼叫指示器  call indicator; calling indicator; call announcer

呼叫指向码  call directing code; CDC

呼叫转发操作转发电话  call in operation; call forward operation; call forwarding

呼叫转发电话  call forward operation; call forwarding; call in operation

呼叫转向信息  call diversion information

具呼叫指示之电话局  call indicator exchange; Exchange; call indicattor

可视呼叫指示器  visual call indicator