> In Canada the do not call registry is useless since calls do not
> originate in Canada nor do the violators care if they are doing
> something illegal, Telcos could take this further and if a number of
> complaints are received about a call source, offer an opt-in blocking
> plan to throw those calls away, and simply answer them with a sorry you
> call is blocked since you have been blacklisted (just like known spam
> sources).
>

Why do people have inherent trust on Caller ID?  Why are entire systems
built on the premise that Caller ID is legitimate data?  The telco's
developed Caller ID as a service to satiate the customer's demand of knowing
who's calling before answering.  The problem is that they don't pull from
the same database (CID is *NOT* ANI).  Nor do they work at the same level
(CID == Inband delivery vs. ANI == Trunk Accounting).

Telco's already provide a service for blocking numbers that aren't on a
pre-approved list.

But the better answer is to actually *enforce* the laws *already* on the
books...
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