A—telephone operator B—extension telephone
C—direct dial telephone D—urgent call
E—wake-up call F—long-distance call
G—local call H—suburban telephone
I—international radio telephone J—outside line
K—hold up L—cancellation fee
M—minimum charge N—person to person call
O—gets through P—courtesy phone
( )接线员 ( )催醒电话

A．Sometimes a conversation begin with using last names, then first name instead.
B．In American, if you call a person "Mr." or "Miss", he or she will feel very excited.
C．After a while of introduction, if you use first names so quickly, people will think you are impolite if you continue according to you own custom.
D．American people especially pay attention to their ranks.