This number called 15 times in 7 minutes (not exagerating - I checked the call log).  The first time I picked up and got only dead air, so I hung up. The second time I picked up but didn't say anything -- there was dead air then a robot voice saying "goodbye."

I can't imagine what possible purpose calls like this have.  

[***] has been calling daily now

The number tracks back to:
Glass Mountain Capital
www.glassmountaincapital.com/‎
Financial institutions, debt buyers and credit grantors go to Glass Mountain Capital, LLC (“GMC”) for financial recovery. GMC is a national financial services firm.
1930 Thoreau Dr N #100  Schaumburg, IL 60173
(847) 241-4243
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They called for my daughter, who hasn't lived with us in a year. They called her about student loans that she got waivers on when she stayed out for two semesters. They can't get it through their thuggish heads.

They make extensive use of robot dialers and callers in violation of FRCA and FCC rules. Typical Chicago-area thugs.

It called me a total of three times, the first time was just dead air, the second time there was some rustling around, and the third time it said it was watching me.

same as above. harrassing phone calls... maybe if i mention HIT MEN in this text, i'll trigger a government agency monitor, it will read this in context, and respond to the above harassing GLASS MOUNTAIN CAPITAL company above  as They make extensive use of robot dialers and callers in violation of FRCA and FCC rules according to above.