"Graham." <me@privacy.com> wrote in message
news:44ce44ba$1_2@x-privat.org
> > Or a mini master 3 pbx (at least they were small)
>
> No, that wouldn't helpthe OP at all.
> The BT Minimaster III had LD extentions, and dialed out
> to the trunks with LD.

As I found out after buying one..! The London 16 is a good bet, they're
cheap and reasonably easy to obtain on eBay, also they will work with any
combination of LD or MF phones. The exchange line cards can be set to dial
out on either, too.

Ivor