MSG #25 2023-06-16 16:30:20.735
NAS

     EMM: Attach request
    Protocol discriminator = 0x7 (EPS Mobility Management)
    Security header = 0x1 (Integrity protected)
    Auth code = 0x9e0a08ef
    Sequence number = 0x0f
    Protocol discriminator = 0x7 (EPS Mobility Management)
    Security header = 0x0 (Plain NAS message, not security protected)
    Message type = 0x41 (Attach request)
    EPS attach type = 2 (combined EPS/IMSI attach)
    NAS key set identifier:
      TSC = 0
      NAS key set identifier = 6
    Old GUTI or IMSI:
      MCC = 001
      MNC = 01
      MME Group ID = 32769
      MME Code = 1
      M-TMSI = 0xd77f7a0c
    UE network capability:
      0xf0 (EEA0=1, 128-EEA1=1, 128-EEA2=1, 128-EEA3=1, EEA4=0, EEA5=0, EEA6=0, EEA7=0)
      0x70 (EIA0=0, 128-EIA1=1, 128-EIA2=1, 128-EIA3=1, EIA4=0, EIA5=0, EIA6=0, EPS-UPIP=0)
      0xc0 (UEA0=1, UEA1=1, UEA2=0, UEA3=0, UEA4=0, UEA5=0, UEA6=0, UEA7=0)
      0x40 (UCS2=0, UIA1=1, UIA2=0, UIA3=0, UIA4=0, UIA5=0, UIA6=0, UIA7=0)
      0x19 (ProSe-dd=0, ProSe=0, H.245-ASH=0, ACC-CSFB=1, LPP=1, LCS=0, 1xSRVCC=0, NF=1)
    ESM message container:
      Protocol discriminator = 0x2 (EPS Session Management)
      EPS bearer identity = 0
      Procedure transaction identity = 4
      Message type = 0xd0 (PDN connectivity request)
      Request type = 1 (initial request)
      PDN type = 3 (IPv4v6)
      ESM information transfer flag = 1
      Protocol configuration options:
        Ext = 1
        Configuration protocol = 0
        Protocol ID = 0x8021 (IPCP)
        Data = 01 00 00 10 81 06 00 00 00 00 83 06 00 00 00 00
        Protocol ID = 0x000d (DNS Server IPv4 Address Request)
        Data =
        Protocol ID = 0x0003 (DNS Server IPv6 Address Request)
        Data =
        Protocol ID = 0x000a (IP address allocation via NAS signalling)
        Data =
        Protocol ID = 0x0005 (MS Support of Network Requested Bearer Control indicator)
        Data =
        Protocol ID = 0x0011 (MS support of Local address in TFT indicator)
        Data =
    Last visited registered TAI:
      MCC = 001
      MNC = 01
      TAC = 0x0001
    DRX parameter:
      Data = 0a 00
    MS network capability:
      Length = 3
      Data = e5 e0 3e
    Old location area identification:
      MCC = 001
      MNC = 01
      LAC = 0x0001
    Mobile station classmark 2:
      Length = 3
      Data = 57 58 a6
    Mobile station classmark 3:
      Length = 11
      Data = 60 14 04 e0 81 0f 12 1e 50 00 00
    Supported codecs:
      Length = 8
      Data = 04 02 60 04 00 02 1f 02
    Voice domain preference and UE's usage setting = 0x03 (IMS PS voice preferred, CS Voice as secondary, Voice centric)
    Old GUTI type = 0
    MS network feature support = 0x01 (MS supports the extended periodic timer in this domain)
    TMSI based NRI container:
      Length = 2
      Data = f4 c0