00000011 IE Length 3
00000001 Speech/Data Indicator Speech
00001000 Channel Rate/Type Full rate TCH channel Bm
00000001 Speech Encoding Algorithm GSM speech algorithm Ver 1
Encryption Information
00001010 IE Name Encryption information
00001001 IE Length 9
00000010 Algorithm ID GSM user data encryption V. 1
******** Encryption Key C9 7F 45 7E 29 8E 08 00
Classmark Information Type 2