Don't hang up. 别挂电话。
A: I don't ever want to talk to you again.
我再也不想和你说话了。
B: Don't hang up. Tell me why you're so angry.
别挂电话，告诉我你为什么这么生气。

I have got another call.我又有个电话打进来。
A: What is that beeping noise?
什么声音这么吵？
B: I have got another call coming in.
我又有个电话打进来。