Jun 30, 2014
>> Why there is is not official authority care to stop such annoying criminal phone calls! <<
Um ... there is!
However, it is extremely difficult to enforce, because the scammers are overseas, using spoofed phone numbers.
Here are two pages of links to (mostly government) sites in Canada and the USA were you can report those scams, or learn more about them.
Look here first:
http://800notes.com/arts/I2neMkbUAAo/where-to-report-phone-crime
If the reporting site you wanted is not in the above list, try this one:
http://phonehelp.2truth.com/complaint_sites_rev.html