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