Public telephones are devices that allow people to make phone calls without needing a personal phone. They are usually found in public places like streets, parks, and train stations. Users typically pay for calls using coins, cards, or mobile payment options. These phones were once very common, providing a vital communication link, especially before the widespread use of mobile phones. Today, their usage has declined due to the rise of cell phones and smartphones, but they can still be found in some areas for those who need to make a call while on the go.