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Returning calls to emergency callers without valid telephone numbers

  • US 8,903,051 B2
  • Filed: 04/12/2013
  • Issued: 12/02/2014
  • Est. Priority Date: 04/12/2013
  • Status: Active Grant
First Claim
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1. A device, comprising:

  • one or more processors to;

    detect an emergency call from a user device associated with a device identifier,the device identifier including information that identifies the user device;

    determine that the user device is not associated with a user profile stored by a home subscriber server;

    determine that the user device is not associated with a valid originating telephone number based on the user device not being associated with the user profile;

    determine a temporary originating telephone number, based on determining that the user device is not associated with the valid originating telephone number;

    store an association between the device identifier and the temporary originating telephone number; and

    transmit the emergency call, with information identifying the temporary originating telephone number, to an emergency call device,the temporary originating telephone number permitting the emergency call device to place a return call to the user device.

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