Google Nest Community

I've been having issues with "Google Nest Hub Max" device. For some reason some contacts I have in my contacts list I cannot call with a Video Call. Some contacts show in the Contacts List, on "Google Nest Hub Max" device, with a "Phone Icon" against...

I find that there are many posts in different threads providing different an sometimes conflicting or pointless solution, often repeated over and over again I must assume that a number of the solutions suggested are from well meaningful Community me...