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Booking method and system

  • US 9,313,161 B2
  • Filed: 12/11/2003
  • Issued: 04/12/2016
  • Est. Priority Date: 08/21/2001
  • Status: Active Grant
First Claim
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1. A method comprising:

  • authenticating a client by a network server, wherein the client to be authenticated uses a mobile telephonic device capable of sending and receiving short message service (SMS) messages and having a client identifier address wherein;

    the network server determines a plurality of currently available, predefined reply addresses;

    the network server selects a unique reply address for an SMS message, wherein the unique reply address is specific to that SMS message, the unique reply address being selected from the plurality of currently available predefined reply addresses determined to be currently available by the network server;

    the network server assigns the selected unique reply address to the SMS message;

    the network server sends the SMS message to the mobile telephonic device used by the client at the client identifier address; and

    the network server authenticates the client based on a response to the SMS message, wherein the response to the SMS message is sent by the mobile telephonic device from the client identifier address and received at the unique reply address.

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