Sounds like coinbycall.
Finland was (probably still is) the highest paying for a while. You can call with any phone, but you are most likely violating the ToS of your phone provider and risk getting charged a high fee. The guide would probably include some sort of Android App that can redial automatically.
You just revealed his exact method without paying a dime. You must be devastating for scammer's business'
. But the method itself looks so inefficient? I mean you have to call a number in Germany for 77 hours just to get euros. It's not worth the hassle, I don't think.
bought trying it
A newbie account vouching for a scam? Wow, haven't seen that before...