Hi drgeoff,
Thank you for the quick reply. I did get a generic response from support to try and reset my device and add it back to my account. I've gone through the steps again and so far I haven't noticed the device disconnecting but I'm still noticing some calls can not be completed. When this occurred, I did dial the test number you provided and I get a successful test result. I'm able to make a call afterwards.
I will continue to monitor and keep you posted.