A kind of call can refer to a variety of different types of calls. COURTESY is a polite and respectful form of communication, often used when addressing someone. SIREN is a loud, high-pitched sound used to alert people of danger or an emergency. TOLL is a fee charged for the use of a road or bridge. DISTRESS is a state of extreme difficulty, suffering, or need. CLOSE is a term used to describe the end of a conversation or interaction. CRANK is a type of telephone call that requires the caller to turn a handle in order to connect. MAIL is a system of sending letters, packages, and other items through the postal service. MATING is a type of call used by animals to attract a mate. COLLECT is a type of call where the recipient pays for the call. ROLL is a type of call used to check if a telephone line is working. BUGLE is a type of call used to signal the start or end of a day. Colect is a type of call where the caller pays for the call. Wakeup is a type of call used to wake someone up at a certain time. Person-to-person is a type of call where the caller speaks directly to the person they are calling.