Chris Green wrote:

> There's lots of POTS phones still here in the UK, at least the last
> few miles is still a copper (or if you're unlucky) an aluminium pair.

This is true, but the voice switches changed. I worked for a provider in
Ireland and the DMS100 was decommissioned 5y ago. What stayed is the CS2K
which would do the switching for your two copper or aluminum pair wire.
A friend I met in another project worked for Virgin Media in the UK, but I
stepped back and I don't know what kind of switches they use there.
So basically there are no POTS (analog) lines on the switches (at least in
half of Europe where I worked). I bet you have a phone with buttons and not
with the old rotary dial.
The reason to decommission the POTS was the maintenance and electricity cost
not to mention the size.

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