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Method and apparatus for delivering messages to wireless devices

  • US 7,209,736 B2
  • Filed: 04/29/2004
  • Issued: 04/24/2007
  • Est. Priority Date: 04/02/2001
  • Status: Expired due to Fees
First Claim
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1. A method for determining successful delivery of an SMS message to a wireless device comprising the steps of:

  • (a) transmitting an update to the wireless device, the transmitting performed upon detecting a presence of the wireless device using location information received as a result of the detecting;

    (b) updating a record in a pending database to reflect the transmitting;

    (c) if a return result is received in response to the transmitting;

    determining if the return result is an error, the return result determined to be an error if the update is not successfully stored on the wireless device;

    if the return result is an error, then determining the total number of errors received for the wireless device and comparing the total number of errors to a predetermined number, the total number of errors reflecting a corresponding number of attempts to transmit the update; and

    if the total number of errors equals or exceeds the predetermined number, then associating the wireless device with an unable condition in at least one of a concerned database and a history database;

    (d) if a return result is not received in response to the transmitting;

    determining a total time that the record has been pending; and

    updating a record associated with the wireless device in the history database if the total time exceeds a predetermined time period, the updating including marking the record as unavailable.

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