In a message of  BRUCE WILSON (1:3603/140) writes:
 JK> These days, when you phone a tech support or 
 JK> sales person, their 'puter displays your 
 JK> name, phone number and address as they say 
 JK> Hello, before you've said anything.  It gets 
 JK> this information using Caller ID, basically 
 JK> from those phone number directory CDs.
 BW> Not necessarily.  There was ANI long before there was CID; and ANI
 BW> works over long-distance lines, where CID might not.
AFAIK, ANI also can't be blocked as CID can.
   Gene Lowry
--- msged 2.07
---------------