I showed the BT link to DH. He had a look at it and said that it was not quite what we needed, as our international numbers for example are sometimes genuine ones. And ditto some of the other categories that come up such as external or suchlike.
So we have "invested" [£90] in something that was apparently on Dragons Den called trueCall CallBlocker.
It essentially screens calls before we receive them.
If the number isnt on a set of numbers we give the machine that we say are ok, the person[if there is one there] has to give their name.
If no name is given[they are asked twice for it]the call and caller does not get through to us. Bliss!
If the person does give a name, then the call gets put through and we have to press the star key to tell the machine we will accept it[after hearing the person give the name].
I think it is going to be just what we need, but as I said we have only had it two days so far.
Passports not in the drawer I always keep them in. Turning the place upside down.