Elevator request authorization system for a third party

An elevator request authorization system, comprising:

• an elevator system comprising at least one elevator servicing a plurality of floors in a building;
• and
• a second server configured to grant an elevator use token upon request from a first server registerable with the second server as a trusted entity for establishing secure communications between the second server and the first server, the first server being configured to be receptive of an elevator request relating to elevator usage by a user, to authenticate the user, to authorize the elevator usage by the user to which the elevator request relates, to request the elevator use token from the second server via the secure communications upon authentication and authorization and to deliver the elevator use token to the user upon receipt,
• the elevator system being receptive of the elevator use token from the user and configured to issue to the user a notification responsive to elevator use token reception.

A method of executing elevator request authorization, comprising:

• registering a first server with a second server to establish secure communications between the second server and the first server;
• receiving, at the first server, an elevator request relating to elevator usage by a user;
• authenticating and authorizing, at the first server, the user and the elevator usage by the user to which the elevator request relates, respectively;
• requesting via the secure communications, by the first server, an elevator use token from the second server upon the authenticating and authorizing;
• and
• issuing, by the second server, the elevator use token to the first server responsive to the requesting.