noun
Meaning 1
An audible signal on a voice phone line that sounds more frequently than a standard busy signal, indicating that no transmission path to the called phone number is available.
Definition source: English Wiktionary via Wiktextract
Topics: communications, electrical-engineering, engineering, natural-sciences, physical-sciences, telecommunications, telephony
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: reorder tone
Antonyms: none provided