On Sun, 12 Jul 2020 00:37:30 +0100, Michael Chare wrote:

There is also the Gigaseet N300IP which is a VOIP DECT base station,
that works best with Gigaset DECT phones such as the C430.

That's a point. I have a N300A IP (A = answer phone) with a lightning
zapped POTS port. The rest of it is all still fully functional.

Would require a Gigaset handset to use. It'd do the ATA bit for the
OP if he's happy to use DECT rather than a wired phone.

--
Cheers
Dave.