Phone SPAM blocker

References computer terminology: Control, Alt, Delete, and SPAM after receiveing a robocall, hang-up and press 3 keys, Star[*], Pound[#], Zero[0]. Robocall now blocked and added to SPAM list. after 10 consumers block the same robocall, it is auto blocked by the local phone company to its entire service area and reported to the FTC for review and action.