speaker mode + separate device to record.
Either that or use a computer to do the call and record using software on the computer.
I don't know how the latter is done but I know many companies do that.
Either that or use a computer to do the call and record using software on the computer.
I don't know how the latter is done but I know many companies do that.
[0]: https://gitlab.freedesktop.org/pipewire/helvum