A telephone box is a small booth used for making phone calls. There are many synonyms for this term, including telephone kiosk, phone booth, payphone booth, phone stand, call box, and phone shelter. Telephone kiosk is often used in the United Kingdom, while phone booth and payphone booth are commonly used in the United States. A phone stand is typically a free-standing phone station similar to a telephone box, while a call box is a more generic term that can refer to any small structure used for communication, such as an emergency phone or intercom. A phone shelter is a more modern term, often used to describe a structure that provides shelter and charging facilities for mobile phones.