

The person owning the phone where the processing takes place, is the processor of the data in this case. That still requires consent from the data subject per gdpr.
The person owning the phone where the processing takes place, is the processor of the data in this case. That still requires consent from the data subject per gdpr.
In many places call recording (or indeed processing of personal information which is highly likely to be present in phone calls) requires consent to be legal. I highly doubt this kind of processing is legal in the EU without both parties consenting.
This is from 2023, but this might still be a good read on how to get to a very low watt idle build, there’s a few more post on other older builds on that blog as well: https://mattgadient.com/7-watts-idle-on-intel-12th-13th-gen-the-foundation-for-building-a-low-power-server-nas/
Music, dog.
Use Clevis either with TPM or Tang (remote server) https://github.com/latchset/clevis
Fair, I was not aware of that exception. It does seem to cover this case, assuming Google is actually not sending any data outside of the phone, use it for further training etc.