From s3i210365

    mSISDN             [5] MSISDN OPTIONAL,

    gUTI               [6] GUTI OPTIONAL,

    location           [7] Location OPTIONAL,

    timeOfRegistration [8] Timestamp OPTIONAL,

    ePSTAIList         [9] TAIList OPTIONAL,

    sMSServiceStatus   [10] EPSSMSServiceStatus OPTIONAL,

    oldGUTI            [11] GUTI OPTIONAL,

    eMM5GRegStatus     [12] EMM5GMMStatus OPTIONAL

}