ring back
US /rɪŋ bæk/
UK /rɪŋ bæk/

1.
rappeler
to call someone again, or to return a phone call to someone who called you earlier
:
•
I'll ring back in five minutes.
Je vous rappelle dans cinq minutes.
•
Could you ask him to ring me back?
Pourriez-vous lui demander de me rappeler ?