People have been scamming other for ages, and the phone is just another tool they use to do so. Its a lot easier to spot scams when you know what to look out for. These common phone scams include Can you hear me? and Free Vacations and Prizes Scammers will ask you to pay a small fee in order to claim the prize, for which youll have to share your credit card number. Scammers can also ask to press a button on the phone to find out if the number is active.”]
Source: https://backgroundchecks.org/reverse-phone-lookup/phone-scams