Axis Cameras - No Video, But Still Pingable??

I have been chasing a problem on at least two customer sites now. There are Axis cameras where the video would stop working but it's still pingable. I have seen this in different models now, Q6045, Q6044, Q6034 and 233D. Customers do NOT want SSH, telnet nor ftp access open. So no backdoor rebooting. Hence, the only way to get video restored is a power cycle of the camera. Not the solution, by no means

Has anyone experienced these symptoms in other Axis models? And, if so, has Axis addressed the issue? We have spoken to engineering there. And it appears they are aware of said issue. I was wondering if anyone has received a definitive FIX for the problem.

Thanks

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