In article <3k8e0eFt1p4fU1@individual.net>,
"Ivor Jones" <ivor@despammed.invalid> writes:
>
> The Sipura range (SPA-2000 etc. are typically REN 3 per port, as opposed
> to 4 on a BT line.

A BT line is a minimum of 4. Most BT lines will actually be
quite a bit higher, unless you are on a maximum length line
from the exchange.

(Fond memories of taking prototype telephone apparatus up
to Baynard House to get BT to tell us what REN number we
could stick on it... ;-)

--
Andrew Gabriel