DIALLINGTONE

Telephone sound (8,4)

Solution has appeared in 2 crosswords (0 across and 2 down):

• Quick crossword No 15,767 — 2020-11-18 00:00:26
  5D: Sound of a working phone (8,4)
• Quick crossword No 15,371 — 2019-08-12 23:00:27
  4D: Telephone sound (8,4)