Slots on this function:
- Instance-Of: Function, Parameter-slot, Unary-function
- Arity: 2
- Parameter-Slot-Of: Elevator
- Used-In-Constraint: Car_phone_c01, Car_phone_c02, Car_phone_c03
Notes:
- Formerly-Named: carphonespec
- Source: The Yost document, under "CAR_PHONE"