She’s going to get him to ring me back.

Hasibul Alamto get him to

to arrange for him to

Hasibul Alamring

call; phone

Hasibul Alamring me back

call me back = return my Emotion: phone call



She will (She’s going to) ensure that he does (get him to) call me on the telephone (ring me) in reply to my call to him when he wasn't there (back).

Students: Are you brave enough to let our tutors analyse your pronunciation?

"Ring me back" is an idiom. It means to call me again.

 CalifJim's reply was promoted to an answer.