Thanks for the details. Regrettably, in my case the focus is different.
I do not want Nest Home to use Google Voice at all. A month or so ago
all calls initiated via Nest Home ("Hey Google, call ") were
automatically routed via Google Meet by default...
I have double-checked that adding "on Google Meet" at the end of the
request is also interpreted correctly. Just say: "Hey Google, call
on Google Meet". It will be connected as expected.
I am having an exactly the same issue. We use Nest devices as an
intercom equivalent, so I can call my wife in the family room from my
study on another floor. It all defaulted to Google Meet (using the Duo
alias on the device) for years. And then las...