Migrating from Vispa to BT (cheaper) and at last have a MAC code from Vispa. BT wont accept it, claiming it is invalid. Now, Vispa closed for weekend (What sort of internet business runs like that these days?).
The MAC is like
(but the 8 digits in the middle are different!!)
Does it look right?! If, as I suspect, Vispa say on Monday that it IS valid, where do I turn next?