Quote Originally Posted by carlquist View Post
My ATA lost registration as well. Calls going to failover. Happened sometime between 10 am and 8:30 pm. ATA is attached directly to cable modem. Never had this issue prior to recent firmware upgrade. Not sure if it's related or not...

A reboot of the ATA did NOT fix the problem.
Just to follow up. After waiting a little while then again rebooting my 502, it did re-register and is now showing in Devices on the vPanel.