US Patent 10392222 Elevator remote destination entry based on altitude

A method includes determining an altitude of a mobile device, determining a floor coinciding with the altitude, and requesting elevator service specific to the floor mapped to the mobile device location. An apparatus includes a memory having instructions stored thereon that, when executed, cause the apparatus to: determine an altitude of the apparatus within a building, determine a floor within the building coinciding with the altitude, and request an elevator car to arrive at the floor.