This section describes the steps to perform the Sentinel VoLTE upgrade. Be sure you are familiar with the upgrade overview and terminology.
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Pre-Upgrade Checklist details the steps to take prior to starting the upgrade.
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Upgrade Process details the steps to carry out the upgrade.
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Post-Upgrade Checklist details the steps to finish and verify the upgrade after the uplevel cluster is fully ready.
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Transformation Rules details what steps the transformation rules take, to migrate the old configuration to the new during the upgrade.
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Aborting or Reverting an Upgrade details steps to take if you wish to go back to the downlevel cluster, for example after discovering a breaking issue with the upgrade.
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Feature Scripts conflicts and resolution details how to solve feature scripts conflict and how to install the feature scripts after check.
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Troubleshooting details the known problems and how to solve them.
