IEIInformation ElementType/ReferencePresenceFormatLength

Protocol discriminatorProtocol discriminator9.2MV1/2

Security header typeSecurity header type9.3.1MV1/2

Tracking area update request message identityMessage type9.8MV1

EPS update typeEPS update type9.9.3.14MV1/2

NAS key set identifierNAS key set identifier9.9.3.21MV1/2

Old GUTI EPS mobile identity9.9.3.12MLV12

B-Non-current native NAS key set identifierNAS key set identifier9.9.3.21OTV1

8-GPRS ciphering key sequence numberCiphering key sequence number 9.9.3.4aOTV1

19Old P-TMSI signatureP-TMSI signature9.9.3.26OTV4

50Additional GUTIEPS mobile identity9.9.3.12OTLV13

55NonceUENonce9.9.3.25OTV5

58UE network capabilityUE network capability9.9.3.34OTLV4-15

52Last visited registered TAITracking area identity9.9.3.32OTV6

5CDRX parameterDRX parameter9.9.3.8OTV3

A-UE radio capability information update neededUE radio capability information update needed9.9.3.35OTV1

57EPS bearer context statusEPS bearer context status9.9.2.1OTLV4

31MS network capabilityMS network capability9.9.3.20OTLV4-10

13Old location area identificationLocation area identification9.9.2.2OTV6

9-TMSI statusTMSI status9.9.3.31OTV1

11Mobile station classmark 2Mobile station classmark 29.9.2.4OTLV5

20Mobile station classmark 3Mobile station classmark 39.9.2.5OTLV2-34

40Supported CodecsSupported Codec List9.9.2.10OTLV5-n

F-Additional update typeAdditional update type9.9.3.0BOTV1

5DVoice domain preference and UE's usage settingVoice domain preference and UE's usage setting9.9.3.44OTLV3