it's not a (biss) code, but Direct Control Word/Constant Control Word- DCW/CCW, they allow you to watch a channel for undetermined time, could be a couple of hour, days or more or less!
now they are down, but just in case, this is the frequency of Aljazeera Sports +1/+2/+3/4 and sport1&2 ( 12283/V/27500 )