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Methods and systems for preventing short message service (SMS) message flooding

  • US 7,145,875 B2
  • Filed: 07/19/2001
  • Issued: 12/05/2006
  • Est. Priority Date: 03/05/2001
  • Status: Active Grant
First Claim
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1. A method for preventing short message service (SMS) message flooding, the method comprising:

  • (a) receiving a first SMS message including called and calling party identification information;

    (b) performing a lockup in a message flood control (MFC) database using at least one of the called and calling party identification information;

    (c) in response to locating a matching entry in the MFC database, using information contained in the matching entry to detect the presence of SMS message flooding, wherein using information in the matching entry to detect the presence of SMS message flooding includes;

    (i) maintaining, in the entry, information indicative of a rate at which SMS messages are being sent or delivered to a mobile subscriber;

    (ii) determining whether the rate exceeds a threshold value; and

    (d) in response to detecting the presence of SMS message flooding, discarding the first SMS message.

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