You can’t hear some of the other person’s words.
You call someone by mistake.
You want someone to return your call.
You need to interrupt because you have another call.
You leave a voice-mail message.
The phone call suddenly ends.
You ask to speak to someone.
Could I speak to Angela Bell, please?
Hi, Angela. This is Nathan.
Oh, hold on. I have another call.
We got cut off.
You’re breaking up.
Call me back on my cell.
I’m sorry. I think I have the wrong number.