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SMS check in and check out

  • US 9,942,734 B1
  • Filed: 08/19/2015
  • Issued: 04/10/2018
  • Est. Priority Date: 08/19/2015
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • receiving, at a server location, a plurality of SMS mobile originated entrance communications from a plurality of users, each SMS mobile originated entrance communication associated with a particular user;

    determining, at the server location, whether any of the received SMS mobile originated entrance communications are authentic,wherein each determination of SMS mobile originated entrance communication authenticity is performed independently by the server;

    determining an originating location of each authenticated SMS mobile originated entrance communication;

    correlating each authenticated SMS mobile originated entrance communication with an associated physical facility;

    authorizing each user associated with each of the authenticated SMS mobile originated entrance communications to enter the associated physical facility;

    receiving an exit message from each user having authorization to enter the associated physical facility, the exit message including a keyword;

    validating the keyword in the exit message;

    wherein when the exit message is invalid, an automated SMS message is sent advising the respective user to make another attempt; and

    wherein the exit message is valid, an acknowledgement SMS exit message is sent to the respective user;

    determining a time duration that each user having authorization to enter the associated physical facility spent at the associated facility; and

    transmitting a mobile terminated message to each user having authorization to enter the associated physical facility.

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