telephone是可數名詞嗎

　　例句：

　　The new system interfaces with existing telephone equipment.

　　新系統與現有的電話設備相連接。

　　You can telephone your order 24 hours a day.

　　一天24小時你都可以打電話訂購。

　　That telephone call set in train a whole series of events.

　　那個電話把一整套事項安排好了。

　　I need to make a telephone call.

　　我得打個電話。

　　Our telephone lines are open during normal office hours.

　　我們的電話在正常辦公時間一直開通。