内容发布更新时间 : 2024/12/23 23:44:24星期一 下面是文章的全部内容请认真阅读。

Detach

↑↑DetachRequest（MO）

MsgEnter 0> 07 00000111 T

..no-security-protection-MM-message ....msg-body 1> 45 01000101 T

......detachRequest

........ue-originating-detach ..........nas-key-set-identifier

2> 11 0------- ............tsc:native-security-context (0)

-001---- ............nAS-key-set-identifier:nas-KSI1 (1) ..........detach-type

----0--- ............switch-off:normal-detach (0)：正常分离

-----001 ............type-of-detach:ePS-detach (1)：与EPS进行分离 3> 0B 00001011 L

..........gUTI-or-imsi

4> F6 -----110 ............type-of-identity:guti (6)：采用GUTI识别

----0--- ............odd-or-even-indic:even-number-and-also-when-the-EPS-Mobile-Identity-is-used (0)

1111---- ............spare:0xf (15) ............guti-body 5> 64 01100100 6> F0 11110000

7> 00 00000000 ..............mcc-mnc:0x64f000 (6615040) 8> 04 00000100

9> 20 00100000 ..............mME-Group-ID:0x420 (1056) 10> C0 11000000 ..............mME-Code:0xc0 (192) 11> C4 11000100 12> 0C 00001100 13> 01 00000001

14> FD 11111101 ..............mTMSI:0xc40c01fd GUTI=MCC+MNC+MMEgroupID+MMEID+TMSI

........ue-terminated-detach 15> 00 0000---- ..........spare-half-octet:0x0 (0) ..........detach-type

----0--- ............switch-off:normal-detach (0) -----000 ............type-of-detach: (0)

↑↑ULInformationTransfer（NAS）

RRC-MSG ..msg 0> 02 00000010 T

....struUL-DCCH-Message ......struUL-DCCH-Message ........message 1> 48 0------- *

..........c1 -1001--- *

............ulInformationTransfer ..............criticalExtensions -----0-- *

................c1 ------00 *

..................ulInformationTransfer-r8 2> 02 0------- *

....................dedicatedInfoType -00----- * ---00010 3> A4 10100100

(3289121277)：上为以4> F9 11111001 5> 64 01100100 6> A9 10101001 7> EC 11101100 8> 01 00000001 9> 62 01100010 10> A0 10100000 11> 1B 00011011 12> 88 10001000 13> 8E 10001110 14> E1 11100001 15> A8 10101000 16> 8D 10001101 17> FC 11111100 18> 44 01000100 19> 17 00010111 20> 3E 00111110 21> E4 11100100 22> 8D 10001101 23> FF 11111111

24> 20 001----- ......................dedicatedInfoNAS:27 CB 25 4F 60 0B 15 00 DC 44 77 0D 44 6F E2 20 B9 F7 24 6F F9 ---00000 * !! Can not explain:

25> 00 00000000 26> 00 00000000 27> 00 00000000

↓↓DLInformationTransfer（NAS）

RRC-MSG ..msg 0> 01 00000001 T

....struDL-DCCH-Message ......struDL-DCCH-Message ........message 1> 0E 0------- *

..........c1 -0001--- *

............dlInformationTransfer

-----11- ..............rrc-TransactionIdentifier:0x3 (3) ..............criticalExtensions -------0 *