ring back

ring back
回电话
Please ring me back in half an hour.
请半小时内给我回电话。
Can you please ask her to ring me back ?
能不能请她尽快给我回电话？
He's not in; why don't you ring back after 6 o'clock?
他不在; 你能在6点钟后再来个电话吗？
Sorry, she's just go out. will you like to ring back later?
对不起，她刚出去，过会儿再打电话好吗？
Tell her I'll ring back in a few minutes...
告诉她，我过几分钟就会给她回电话。
If there's any problem I'll ring you back.
如果有什么问题的话，我再给你打电话。