Call screener An "industry vet" stated, "At the very least you can catch 90 percent of them by getting their number and calling them back, generally they freak or give you a phony phone number." Other techniques described "include grilling the caller on little known facts about the situation or organization they claim to represent." Prank callers don't always get through: Although the names of most call screeners never make it on the air, there are a few notable screeners that are major characters on their shows. Many live call-in radio shows do not like alternative or adverse opinions to be aired,
National Do Not Call Registry National Do Not Call Registry The National Do Not Call Registry is a database maintained by the United States federal government, listing the telephone numbers of individuals and families who have requested that telemarketers not contact them. Certain callers are required by federal law to respect this request. Separate laws and regulations apply to robocalls in the United States. On June 27, 2003, the U.S. Federal Trade Commission (FTC) opened the National Do Not Call Registry in order to comply with the Do-Not-Call Implementation Act of 2003 (, was , and codified at et. seq.), sponsored by Representatives Billy Tauzin