571. You’re wanted on the telephone.

572. What number should I dial to get to the operator?

573. I want to make a long distance call.

574. Pick up the receiver and deposit a coin in the slot.

575. I tried to call Mr. Cooper, but the line was busy.

576. You must have dialled the wrong number.

577. I dialled the right number, but nobody answered.

578. The telephone is ringing. Would you answer it, please?

579. Would you like to leave a message?

580. Who is this? I don’t recognize your voice.

581. Would you please tell Mr. Cooper I called.

582. Is this Empire 5-4093?

583. I have to hang up now.

584. Put the receiver closer to your mouth. I can’t hear you.

585. Would you mind calling back sometime tomorrow?