blockdiag
{
colwidth = 8
node_height = 24
0-6: PDP type IEI
7: Res
8-15: Length of IE content
16-19: NPI
20-22: TON
23: ext
24-27: Digit 1
28-31: Digit 2
32-35: Digit ...
36-39: Digit N
}
0
4
8
PDP type IEI
Res
Length of IE content
NPI
TON
ext
Digit 1
Digit 2
Digit ...
Digit N