Fake Microsoft phone call

Hi All I read the following post : Fake Microsoft PhoneCalls - Page 3 - Tech Support Guy Forums (http://forums.techguy.org/general-security/1032161-fake-microsoft-phonecalls-3.html) on the Microsoft Phone scams. Now in this post Eddie5659 posted about running OTL on the infected PC... but that was basically where the physical tech support ended... My brother had a similar call, but what is...