Good day @jasonsarah77,
20 minutes is a very long time for the modem to re-communicate with the server. We are unable to tell if it's a fault of the modem or network as we need to perform some troubleshooting and test. Currently, we can detect that the modem has been connected to the internet for more than a week now, which shows a good sign from your modem.
When was the last time you have turned off and on the modem?
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