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Image upgrade for devices in a telephony system

  • US 9,600,268 B1
  • Filed: 09/17/2015
  • Issued: 03/21/2017
  • Est. Priority Date: 10/04/2010
  • Status: Active Grant
First Claim
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1. A method comprisingreceiving a command for an upgrade event including data indicating a range of times for the upgrade event to occur, the upgrade event being associated with target devices of a telephony system;

  • determining a number of upgrade events;

    determining information associated with other events occurring cotemporaneous to the range of times associated with the upgrade event;

    determining a delay parameter as a random number using a random number generator for each of the target devices for the upgrade event based on the number of upgrade events and the information associated with other events occurring cotemporaneous to the upgrade event;

    scheduling times for the upgrade event on each of the target devices using the associated delay parameter and the time satisfying the range of times for the upgrade event to occur;

    downloading contemporaneously with the other events, upgrade images from an image server to each of the target devices based on the scheduled time; and

    rebooting each of the target devices upon downloading the upgraded images.

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