@Noswal You should be able to connect a second RE to your main router without any problem - try this guide.

@GailCurtis Refer to this post regarding usage of Wi-Fi Calling.

@Victorlin I can't see any logocal explanaition why this is not working. Everything seems to be as it should according to your C7 settings. Probably contactting your local tech support would be the...

@Gtrem I never used a VR2800 but I believe that AX55 is good enough to replace it, judging by both devices technical specifications.

@Gtrem VR2800 has a wireless router operation mode that you can use with your new iSP. In this mode LAN4 is used as a WAN port and its IP address can be assigned dynamically. If you insist on a mesh...

@Clearalien Hidden wireless networks could be the Easymesh wireless backhaul - check this thread. I don't know if AX73 has an Easymesh turn off switch, but if that's the case you can switch this off...