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Authentication and non-interfering SMS-messaging in GSM telephone communication

  • US 7,548,754 B2
  • Filed: 04/11/2003
  • Issued: 06/16/2009
  • Est. Priority Date: 04/11/2003
  • Status: Active Grant
First Claim
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1. A method for transmitting SMS messages, comprising:

  • recognizing a particular subscriber has initiated a GSM telephone call;

    associating said particular subscriber with any subscriber profile information maintained in a database;

    selecting an SMS message for transmission to said particular subscriber depending on said subscriber profile information;

    including an authenticating symbol in said SMS message that cannot be forwarded by said particular subscriber, wherein the authentication symbol is information visually identifiable by a recipient, is usable by the recipient to authenticate the SMS message, is embedded in a coupon in the SMS message, and is usable to visually determine whether a coupon holder is authorized to use the coupon; and

    transmitting said SMS message and said authenticating symbol at the conclusion of said GSM telephone call.

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