telephone conference within rail-way administration

例句：

1. 1. He dialed the number on hisphone to reach her.
   他通过电话拨号联系她。
2. 2. The police used a telephone tocontact the suspect.
   警方使用电话联系嫌疑人。
3. 3.She answered the phone and asked for directions.
   她接了电话，询问如何去那里。