From Longman Dictionary of Contemporary Englishring (somebody) back phrasal verb British EnglishTCTto telephone someone again, or to telephone someone because you were not available when they telephoned you SYN call (somebody) back I’ll ring back as soon as I find out anything. John rang, and he wants you to ring him back. → ring→ See Verb table
Examples from the Corpus
ring back• He ran out of coins and asked the company secretary to ring him back.• He rang me back and said that he would certainly come.• He hadn't got the information I was waiting for but he rang me back at about a quarter to ten.• If the person promised to ring him back, he might fail to do so.• Could you ring her back when you've got a moment?From Longman Business Dictionaryring somebody back phrasal verb [intransitive, transitive] British English to telephone someone again, or to telephone someone because you were not available when they telephoned youJohn rang, and he wants you to ring him back. → ring→ See Verb table 