I know I sure wouldn't want to get caught doing something illegal in a 3rd world country. They probably chain you to a wall for 20 years if they catch you blue boxing. Remember in the 70's they were busting people all over the U.S. for blue boxing and throwing them in jail. A 3rd world country might at least know how to detect blue boxers. Who knows, maybe they wouldn't even care.
I know people today who swear you can still bluebox from the U.S. by dialing a toll-free line that rings into blue boxable countries. I've yet to hear any audio