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有关STK的编码以,需要了解11.14的一些细节。
一组STK命令组成:由无数的TLV组成,TLV=Tag Length Values
DISPLAY TEXT:D00F8103012100820281028D0404534154
即:Proactive SIM command+command details+Device identities+Text string
下面一个一个字节解释:
Byte# Value (Hex) Description
1 D0 Proactive SIM command tag
2 0F length
3 81 command details tag
4 03 length
5 01 command number
6 - 7 21 00 Display text (normal priority, clear message after a
delay)
8 82 Device identities tag
9 02 length
10 81 source: SIM
11 02 destination: Display
12 8D Text string tag
13 04 length
14 04 Data coding scheme ('04'=8-bit default SMS)
15 - 17 53,41,54 text string ("SAT") |
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