I bought a Beocom 2 on ebay. It was a 2003 demo model... it should be here monday. The problem is we use ISDN and I intended to use it with a New Beocom 6000 I was going to get from the store. 

If my understanding it correct though if the phone is a MK I then it will not work with 6000 Base ?

Is that something Bang can fix for me or would I need to sell the phone on again?

(new rule for the future = read beoworld before getting excited at a good price and purchasing )

did your new combination ever worked?

Sorry... I should have updated this. It was the original PSTN base that we got with the Beocom 2 and it works perfectly with the new red 6000 we bought.

I love both these phones... it's a shame no one ever rings our home phone.