all these #s that call and no one there
simple -- the computer dials   - if you pick up    you are on hold WAITING for an available telemarketer to talk to you   -- precious  i am on hold so someone can sell me something i do not want to byt or donate to

think this is the telemarketing center for Various charity calls(look after say 50 charities ranging from children causes to  diseases)  they prey on your charity to one group and suddenly your name and # is passed on to telemarketer in another charity group   -- soon your name with 50 dept -as one who gives

and cannot put on DNCL   charity who takes approx 75% of each dollar for the salaries and phone + space