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Hi Pascal,

Thanks for the response. I have a sample LCS capture which is based on my understanding TS 24080

NG Application Protocol (UplinkNASTransport) NGAP-PDU: initiatingMessage (0) initiatingMessage procedureCode: id-UplinkNASTransport (46) criticality: ignore (1) value UplinkNASTransport protocolIEs: 4 items Item 0: id-AMF-UE-NGAP-ID ... Item 1: id-RAN-UE-NGAP-ID ... Item 2: id-NAS-PDU ProtocolIE-Field id: id-NAS-PDU (38) criticality: reject (0) value NAS-PDU: 7e0223f1fa2c037e006707000d0b2a1c09a20700010202017465 Non-Access-Stratum 5GS (NAS)PDU Security protected NAS 5GS message Extended protocol discriminator: 5G mobility management messages (126) 0000 .... = Spare Half Octet: 0 .... 0010 = Security header type: Integrity protected and ciphered (2) Message authentication code: 0x23f1fa2c Sequence number: 3 Plain NAS 5GS Message Extended protocol discriminator: 5G mobility management messages (126) 0000 .... = Spare Half Octet: 0 .... 0000 = Security header type: Plain NAS message, not security protected (0) Message type: UL NAS transport (0x67) 0000 .... = Spare Half Octet: 0 Payload container type .... 0111 = Payload container type: Location services message container (7) Payload container Length: 13 Payload container: 0b2a1c09a20700010202017465 Item 3: id-UserLocationInformation ProtocolIE-Field id: id-UserLocationInformation (121) criticality: reject (0) value ....

Best regards, Sarbatrik.

Hi Pascal,

Thanks for the response. I have a sample LCS capture which is based on my understanding TS 24080

NG Application Protocol (UplinkNASTransport)
    NGAP-PDU: initiatingMessage (0)
        initiatingMessage
            procedureCode: id-UplinkNASTransport (46)
            criticality: ignore (1)
            value
                UplinkNASTransport
                    protocolIEs: 4 items
                        Item 0: id-AMF-UE-NGAP-ID
                            ...
                        Item 1: id-RAN-UE-NGAP-ID
                            ...
                        Item 2: id-NAS-PDU
                            ProtocolIE-Field
                                id: id-NAS-PDU (38)
                                criticality: reject (0)
                                value
                                    NAS-PDU: 7e0223f1fa2c037e006707000d0b2a1c09a20700010202017465
                                        Non-Access-Stratum 5GS (NAS)PDU
                                            Security protected NAS 5GS message
                                                Extended protocol discriminator: 5G mobility management messages (126)
                                                0000 .... = Spare Half Octet: 0
                                                .... 0010 = Security header type: Integrity protected and ciphered (2)
                                                Message authentication code: 0x23f1fa2c
                                                Sequence number: 3
                                            Plain NAS 5GS Message
                                                Extended protocol discriminator: 5G mobility management messages (126)
                                                0000 .... = Spare Half Octet: 0
                                                .... 0000 = Security header type: Plain NAS message, not security protected (0)
                                                Message type: UL NAS transport (0x67)
                                                0000 .... = Spare Half Octet: 0
                                                Payload **Payload container type type**
                                                    .... 0111 = Payload container type: Location services message container (7)
                                                Payload container **Payload container**
                                                    Length: 13
                                                    Payload container: 0b2a1c09a20700010202017465
                        Item 3: id-UserLocationInformation
                            ProtocolIE-Field
                                id: id-UserLocationInformation (121)
                                criticality: reject (0)
                                value
                                    ....
....