The purpose of the Keypad facility information element is to convey IA5 characters, e.g. entered by means of a terminal keypad.
The Keypad facility information element is coded as shown in Figure 4-24.
The maximum length of this information element is 34 octets.
8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
Octets |
Keypad facility Information element identifier |
||||||||
0 |
0 |
1 |
0 |
1 |
1 |
0 |
0 |
1 |
Length of the keypad facility contents |
2 |
|||||||
0 |
Keypad facility information (IA5 characters) |
3 |
||||||
Keypad facility information element