18 Jun
2009
18 Jun
'09
8:10 p.m.
You will probably find GSM 04.07 Appendix B of some use here.
Specifically, for a description of the padding sequence and the meaning of
"H" and "L" see GSM 04.07 B.1.2.2.
I already read that part, but it's so abstract, so just understand a little
bit of it.