Spam falsely claiming to be from "the nsw upgrades program". In the last two days alone I've had the exact same call (3-4 calls within 1 hour periods) from 0479 378 808, 0413 419 599, 0436 831 784, 0419 601 479, 0419 464 870, 0419 393 651, 0479 124 848, 0432 768 610, 0419 587 204, 0429 470 038.