WOW a script kiddie got a hold of an old Phrak manual...look most of the boxes you mentioned never existed, the rest , well unless you are useing a pay phone in some hick town or third world country that hasn't been updated in 20 years don't bother, the phone companies pached the cheese box hole in hte early to mid eighty's...if we where still living in 1979 this owuld have been usefull but now its just dumb.