Automatic ring back, a telephone feature to notify the caller when the called party ceases to be engaged
Back to the Future | Der Ring des Nibelungen | Back to the Bible | Ring of Honor | The Fellowship of the Ring | The Ring (magazine) | The Empire Strikes Back | Ring of Fire | Automatic programming | The Ring | Taking Back Sunday | Ring | The Lord of the Rings: The Fellowship of the Ring | ''The Ring'' | Bull Ring, Birmingham | Back Bay | Welcome Back, Kotter | The Promise Ring | semi-automatic rifle | Ring 2 | Looney Tunes: Back in Action | back | Automatic Data Processing | Twin Ring Motegi | The Automatic | semi-automatic pistol | Ring Round the Moon | I Want You Back | E-Ring | Bull Ring |