In uk.rec.sheds,  (Andrew Marshall) wrote in
::

>I prefer to screen the person who is calling, not the number from which 
>they are calling; the latter is of no interest to me. If I didn't have 
>the answerphone in place to screen calls, then a person who wants to 
>call me, and whose own number(s) I know, but from whom I do not wish to 
>receive calls, could easily circumvent my reading of the CLI display, 
>and my decision not to answer the call, by calling from another, 
>non-CLI-withheld phone.

FSVO "easily".  They might be at jbex, f'rinstance.  
-- 
Marc

A friend is someone you'd spend an hour with if you had a day to live, not an hour to kill.