From Longman Dictionary of Contemporary Englishring off phrasal verb British EnglishTCTto end a telephone call → hang up He rang off without giving his name. → ring→ See Verb table
Examples from the Corpus
ring off• I suppose I'd better ring off now -- we've been on the phone for over an hour.From Longman Business Dictionaryring off phrasal verb [intransitive] British English to end a telephone callSYNHANG UPHe rang off without giving his name. → ring→ See Verb table 