@janaca By offline, do you mean you can no longer access the controller via the cloud? I assume the controller stays up locally then? If so, it sounds like either your modem is getting a new IP every...

@Liftboy If you connect the Fritz box directly to the ISP modem (for instance, overnight), does SIP stay registered then? If not, nothing you do to the Omada kit will help.

@Siari1221 that should be fine...and the same cable as before from the ONT is plugged into the correct WAN port? If so, what does this look like:

@Liftboy LOL! I used to have a problem with my SIP provider and my ATA timing out after a period and I would have to reboot the ATA to re-establish the SIP connection. Now I find that as long as I...

@n3twork As a work around you can also consider just setting up the 5.13 Controller as a new controller, and then migrating any site(s) from your 5.7, one at a time. Not sure which will take more...

@Liftboy That's the joy of the community support from people who have already 'been there, done that' :). Glückliche Zeiten!