The story
Deverbal from ring back.
Etymology from Wiktionary, CC BY-SA 4.0.
ringback
Today it means: The sound transmitted back to a caller to indicate that the telephone they are calling is ringing. Full definition →
Today it means: The sound transmitted back to a caller to indicate that the telephone they are calling is ringing. Full definition →
Deverbal from ring back.
Etymology from Wiktionary, CC BY-SA 4.0.