Think you’re in the wrong sub for this as recording is done on the application layer of each device unless we are talking about self hosted PBX systems that enforce recording. You looking for an Android or iOS app to do this on your mobile providers phone number or something else?

If only they had the same titan chip as the Pixel so I could use GrapheneOS on it.

This is a very good read https://blog.reconinfosec.com/locking-down-zerotier

TLDR: Used at hacker conference Defcon 26 in a blue team (defense team) capture the flag.

Don’t understand how they made it this long.