Before and after any firmware upgrade and downgrade
- Before any firmware upgrade and downgrade, save a copy of your FortiVoice configuration (including replacement messages and user data) by going to System > Maintenance > Configuration.
- After any firmware upgrade and downgrade and prior to log in to the FortiVoice web UI, clear the browser cache to make sure that the web UI screens display correctly.
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After any firmware upgrade and downgrade, verify that the version number and build number match the image that you loaded. To complete the verification, go to Dashboard > Status. In the System Information widget, locate the Firmware version row.