He heard the sound of the phone being set down.

Actually the director had no idea who the person on the other end of the phone was.

He wanted to pay for the use of the phone.

The guy on the other end of the phone does not sound happy.

The person at the other end of the phone said something.

I could almost feel him thinking on his end of the phone.

They will always be at the end of the phone.

Finally, he heard movement at the other end of the phone.

The voice on the other end of the phone has made all the difference to his life.

It would make more sense if he had been on the other end of the phone.