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SMS check in and check out

  • US 10,321,281 B1
  • Filed: 04/10/2018
  • Issued: 06/11/2019
  • 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 an originating location of each authenticated SMS mobile originated entrance communication;

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

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

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

    wherein when the exit message is valid, sending an acknowledging SMS exit message 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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