I apologize for my late response and thank you for all of your patience while waiting for a reply. I can definitely understand how frustrating your situation must be, but I wanted to make sure that your issue was addressed. But you would want to go here to learn how to adjust the volume on your Nest Cam.
Please let me know if you need further assistance.
Just checking in to make sure that you saw our response. Please let us know if you have any other questions or concerns as I will be locking this in 24 hours.
Have a great day.