• GSM A-Interface trace sample. Created with Linkbit Mobile Simulation Studio
  • 19:41:54.710 Tx1-16 FISU (36830)
    • 81 81 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000001
      .
      BSN1 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000001
      .
      FSN1 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:41:54.889 Rx1-16 FISU (37305)
    • 81 81 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000001
      .
      BSN1 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000001
      .
      FSN1 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:22.236 Tx1-16 OPC: 31 DPC: 14600 CR.COMPLETE LAYER 3 INFORMATION.CM SERVICE REQUEST
    • 81 82 38 03 08 F9 07 40 01 53 02 8B 02 02 06 04 43 08 39 FE 04 04 43 1F 00 FE 0F 1E 00 1C 57 05
      08 00 52 F0 20 14 8F 50 FB 17 0D 05 24 61 03 30 58 81 05 F4 35 88 71 56 21 81 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000001
      .
      BSN1 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000010
      .
      FSN2 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..111000
      .
      LI56 Dec (MSU).
      00......
      .
      SpareSpare.
      03
      ....0011
      .
      Service indSCCP.
      ..00....
      .
      SpareSpare.
      00......
      .
      Network indInternational network.
      04
      00001000
      .
      DPCSee below.
      05
      ..111001
      .
      DPC14600.
      11......
      .
      OPCSee below.
      06
      00000111
      .
      OPCSee below.
      07
      ....0000
      .
      OPC31.
      0100....
      .
      SLS4 Dec.
      SCCP ITU.
      08
      00000001
      .
      Message typeCR (1).
      9-11
      .
      Source local reference9110099.
      Protocol class.
      12
      ....0010
      .
      Protocol class2 (class 2).
      0000....
      .
      spare0.
      Pointer to Called party address.
      13
      00000010
      .
      Pointer to Called party address2.
      Pointer to start of optional part.
      14
      00000110
      .
      Pointer to start of optional part6.
      Called party address.
      15
      00000100
      .
      Length indicator4.
      16
      01000011
      Address indicatorsee below.
      0.......
      .
      spare0.
      .1......
      .
      Routing indicator1 (Route on SSN).
      ..0000..
      .
      Global title indicator0 (no global title included).
      ......1.
      .
      SSN indicator1 (address contains a subsystem number).
      .......1
      .
      Point code indicator1 (address contains a signalling point code).
      17-18
      Signalling point codesee below.
      17-18
      .
      Signalling point code14600.
      18
      00......
      .
      spare0.
      19
      11111110
      .
      Subsystem number254 -> reserved for national networks.
      Calling party address.
      20
      00000100
      .
      Parameter nameCalling party address (4).
      21
      00000100
      .
      Length indicator4.
      22
      01000011
      Address indicatorsee below.
      0.......
      .
      spare0.
      .1......
      .
      Routing indicator1 (Route on SSN).
      ..0000..
      .
      Global title indicator0 (no global title included).
      ......1.
      .
      SSN indicator1 (address contains a subsystem number).
      .......1
      .
      Point code indicator1 (address contains a signalling point code).
      23-24
      Signalling point codesee below.
      23-24
      .
      Signalling point code31.
      24
      00......
      .
      spare0.
      25
      11111110
      .
      Subsystem number254 -> reserved for national networks.
      Data.
      26
      00001111
      .
      Parameter nameData (15).
      27
      00011110
      .
      Length indicator30.
      28-57
      .
      Data30 Octets (hex): 00 1C 57 05 08....
      End of optional parameters.
      58
      00000000
      .
      End of optional parameters0.
      GSM BSSAP.
      Distribution Data Unit.
      28
      00000000
      .
      Discrimination Parameter0 (Non Transparent).
      Length indicator.
      29
      00011100
      .
      Length indicator28.
      Layer 3 data.
      30-57
      .
      Layer 3 data28 Octets (hex): 57 05 08 00 52....
      GSM BSSMAP.
      30
      01010111
      .
      Message TypeCOMPLETE LAYER 3 INFORMATION (87).
      Cell Identifier.
      31
      00000101
      .
      Information Element IdentifierCell Identifier (5).
      32
      00001000
      .
      Length8.
      33
      0000....
      .
      spare0.
      ....0000
      .
      Cell identification discriminator0 (The whole Cell Global Identification, CGI, is used to identify the cells).
      34-40
      Cell identificationCGI.
      34-40
      CGIsee below.
      34
      0101....
      .
      MCC dig 25.
      ....0010
      .
      MCC dig 12.
      35
      1111....
      .
      MNC dig 315.
      ....0000
      .
      MCC dig 30.
      36
      0010....
      .
      MNC dig 22.
      ....0000
      .
      MNC dig 10.
      37-38
      .
      LAC5263.
      39-40
      .
      CI value20731.
      Layer 3 Information.
      41
      00010111
      .
      Information Element IdentifierLayer 3 Information (23).
      42
      00001101
      .
      Length13.
      43-55
      .
      Layer 3 information13 Octets (hex): 05 24 61 03 30....
      Chosen Channel.
      56
      00100001
      .
      Information Element IdentifierChosen Channel (33).
      57
      1000....
      .
      Channel mode8 (signalling only).
      ....0001
      .
      Channel1 (SDCCH).
      GSM Radio L3.
      43
      ....0101
      .
      Mobility management protocol discriminator5 (mobility management messages).
      0000....
      .
      Skip Indicator0.
      CM Service Request message type.
      44
      00......
      .
      N(SD)0.
      ..100100
      .
      Message typeCM service request (36).
      Ciphering key sequence number.
      45
      0.......
      .
      Sparespare value (0).
      .110....
      .
      key sequence6 (6).
      CM service type.
      ....0001
      .
      CM service typeMobile originating call establishment or packet mode connection establishment (1).
      Mobile station classmark.
      46
      00000011
      .
      Length indicator3.
      47
      0.......
      .
      Sparespare value (0).
      .01.....
      .
      Revision levelUsed by GSM phase 2 mobile stations (1).
      ...1....
      .
      ES IND'Controlled Early Classmark Sending' option is implemented in the MS (1).
      ....0...
      .
      A5/1 algorithm supportedencryption algorithm A5/1 available (0).
      .....000
      .
      RF power capabilitypower class 1 (0).
      48
      0.......
      .
      Spare2spare value (0).
      .1......
      .
      PS capabilityPS capability present (1).
      ..01....
      .
      SS Screening Indicatorcapability of handling of ellipsis notation and phase 2 error handling (1).
      ....1...
      .
      SM capabilityMobile station supports mobile terminated point to point SMS (1).
      .....0..
      .
      VBS notification receptionno VBS capability or no notifications wanted (0).
      ......0.
      .
      VGCS notification receptionno VGCS capability or no notifications wanted (0).
      .......0
      .
      FC Frequency CapabilityWhen a GSM 900 band is used - The MS does not support the E-GSM or R-GSM band (0).
      49
      1.......
      .
      CM3The MS supports options that are indicated in classmark 3 IE (1).
      .0......
      .
      Spare3spare value (0).
      ..0.....
      .
      LCS VA capabilitylocation request notification via CS domain not supported (0).
      ...0....
      .
      UCS2 treatmentthe ME has a preference for the default alphabet (defined in 3GPP TS 23.038 [8b]) over.
      .
      UCS2 (0)
      ....0...
      .
      SoLSAThe ME does not support SoLSA (0).
      .....0..
      .
      CM Service Prompt'Network initiated MO CM connection request' not supported (0).
      ......0.
      .
      A5/3 algorithm supportedencryption algorithm A5/3 not available (0).
      .......1
      .
      A5/2 algorithm supportedencryption algorithm A5/2 available (1).
      Mobile identity.
      50
      00000101
      .
      Length indicator5.
      51
      .....100
      .
      Type of identityTMSI/P-TMSI (4).
      ....0...
      .
      Odd/even indicatoreven number of identity digits and also when the TMSI/P-TMSI is used (0).
      1111....
      .
      spare15.
      52-55
      .
      TMSI/P-TMSI Identity digits4 Octets (hex): 35 88 71 56.
  • 19:42:22.283 Tx1-16 FISU (95)
    • 81 82 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000001
      .
      BSN1 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000010
      .
      FSN2 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:22.283 Rx1-16 FISU (1)
    • 82 81 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000010
      .
      BSN2 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000001
      .
      FSN1 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:22.453 Tx1-16 FISU (180)
    • 81 82 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000001
      .
      BSN1 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000010
      .
      FSN2 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:22.453 Rx1-16 FISU (223)
    • 82 81 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000010
      .
      BSN2 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000001
      .
      FSN1 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:22.453 Rx1-16 OPC: 14600 DPC: 31 CC
    • 82 82 0E 03 1F 00 42 4E 02 53 02 8B E2 02 E8 02 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000010
      .
      BSN2 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000010
      .
      FSN2 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..001110
      .
      LI14 Dec (MSU).
      00......
      .
      SpareSpare.
      03
      ....0011
      .
      Service indSCCP.
      ..00....
      .
      SpareSpare.
      00......
      .
      Network indInternational network.
      04
      00011111
      .
      DPCSee below.
      05
      ..000000
      .
      DPC31.
      00......
      .
      OPCSee below.
      06
      01000010
      .
      OPCSee below.
      07
      ....1110
      .
      OPC14600.
      0100....
      .
      SLS4 Dec.
      SCCP ITU.
      08
      00000010
      .
      Message typeCC (2).
      9-11
      .
      Destination local reference9110099.
      12-14
      .
      Source local reference15205090.
      Protocol class.
      15
      ....0010
      .
      Protocol class2 (class 2).
      0000....
      .
      spare0.
      Pointer to start of optional part.
      16
      00000000
      .
      Pointer to start of optional part0 (No optional part).
  • 19:42:22.453 Tx1-16 FISU (1)
    • 82 82 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000010
      .
      BSN2 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000010
      .
      FSN2 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:22.454 Rx1-16 FISU (1)
    • 82 82 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000010
      .
      BSN2 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000010
      .
      FSN2 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:22.458 Rx1-16 OPC: 14600 DPC: 31 DT1.AUTHENTICATION REQUEST
    • 82 83 22 03 1F 00 42 4E 06 53 02 8B 00 01 16 01 80 13 05 12 00 45 BF 0D C2 AE FA 8F 8D 8B B7 8D
      6A 6F AC 38 EA
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000010
      .
      BSN2 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000011
      .
      FSN3 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..100010
      .
      LI34 Dec (MSU).
      00......
      .
      SpareSpare.
      03
      ....0011
      .
      Service indSCCP.
      ..00....
      .
      SpareSpare.
      00......
      .
      Network indInternational network.
      04
      00011111
      .
      DPCSee below.
      05
      ..000000
      .
      DPC31.
      00......
      .
      OPCSee below.
      06
      01000010
      .
      OPCSee below.
      07
      ....1110
      .
      OPC14600.
      0100....
      .
      SLS4 Dec.
      SCCP ITU.
      08
      00000110
      .
      Message typeDT1 (6).
      9-11
      .
      Destination local reference9110099.
      Segmenting/reassembling.
      12
      0000000.
      .
      spare0.
      .......0
      .
      More data indication0 (no more data).
      Pointer to Data.
      13
      00000001
      .
      Pointer to Data1.
      Data.
      14
      00010110
      .
      Length indicator22.
      15-36
      .
      Data22 Octets (hex): 01 80 13 05 12....
      GSM BSSAP.
      Distribution Data Unit.
      15
      00000001
      .
      Discrimination Parameter1 (Transparent).
      16
      10000000
      DLCIsee below.
      10......
      .
      Control channel identificationFACCH or SDCCH (2).
      ..000...
      .
      spare0.
      .....000
      .
      SAPI0 (CC, MM, RR).
      Length indicator.
      17
      00010011
      .
      Length indicator19.
      Layer 3 data.
      18-36
      .
      Layer 3 data19 Octets (hex): 05 12 00 45 BF....
      GSM DTAP.
      18-36
      .
      19 Octets (hex): 05 12 00 45 BF....
      GSM Radio L3.
      18
      ....0101
      .
      Mobility management protocol discriminator5 (mobility management messages).
      0000....
      .
      Skip Indicator0.
      Authentication Request message type.
      19
      00......
      .
      N(SD)0.
      ..010010
      .
      Message typeAuthentication request (18).
      Spare half octet.
      20
      0000....
      .
      Spare half octet0.
      Ciphering key sequence Number.
      ....0...
      .
      Sparespare value (0).
      .....000
      .
      key sequence0 (0).
      Authentication parameter RAND (UMTS challenge or GSM challenge).
      21-36
      .
      Authentication parameter RAND (UMTS challenge or GSM challenge)16 Octets (hex): 45 BF 0D C2 AE....
  • 19:42:22.459 Tx1-16 FISU (1)
    • 83 82 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000011
      .
      BSN3 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000010
      .
      FSN2 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:22.459 Rx1-16 FISU (1)
    • 82 83 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000010
      .
      BSN2 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000011
      .
      FSN3 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:22.611 Tx1-16 OPC: 31 DPC: 14600 DT1.AUTHENTICATION RESPONSE
    • 83 83 15 03 08 F9 07 40 06 E2 02 E8 00 01 09 01 80 06 05 54 11 CC 8C 89
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000011
      .
      BSN3 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000011
      .
      FSN3 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..010101
      .
      LI21 Dec (MSU).
      00......
      .
      SpareSpare.
      03
      ....0011
      .
      Service indSCCP.
      ..00....
      .
      SpareSpare.
      00......
      .
      Network indInternational network.
      04
      00001000
      .
      DPCSee below.
      05
      ..111001
      .
      DPC14600.
      11......
      .
      OPCSee below.
      06
      00000111
      .
      OPCSee below.
      07
      ....0000
      .
      OPC31.
      0100....
      .
      SLS4 Dec.
      SCCP ITU.
      08
      00000110
      .
      Message typeDT1 (6).
      9-11
      .
      Destination local reference15205090.
      Segmenting/reassembling.
      12
      0000000.
      .
      spare0.
      .......0
      .
      More data indication0 (no more data).
      Pointer to Data.
      13
      00000001
      .
      Pointer to Data1.
      Data.
      14
      00001001
      .
      Length indicator9.
      15-23
      .
      Data9 Octets (hex): 01 80 06 05 54....
      GSM BSSAP.
      Distribution Data Unit.
      15
      00000001
      .
      Discrimination Parameter1 (Transparent).
      16
      10000000
      DLCIsee below.
      10......
      .
      Control channel identificationFACCH or SDCCH (2).
      ..000...
      .
      spare0.
      .....000
      .
      SAPI0 (CC, MM, RR).
      Length indicator.
      17
      00000110
      .
      Length indicator6.
      Layer 3 data.
      18-23
      .
      Layer 3 data6 Octets (hex): 05 54 11 CC 8C....
      GSM DTAP.
      18-23
      .
      6 Octets (hex): 05 54 11 CC 8C....
      GSM Radio L3.
      18
      ....0101
      .
      Mobility management protocol discriminator5 (mobility management messages).
      0000....
      .
      Skip Indicator0.
      Authentication Response message type.
      19
      01......
      .
      N(SD)1.
      ..010100
      .
      Message typeAuthentication response (20).
      Authentication Response parameter.
      20-23
      .
      Authentication Response parameter4 Octets (hex): 11 CC 8C 89.
  • 19:42:22.615 Tx1-16 FISU (2)
    • 83 83 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000011
      .
      BSN3 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000011
      .
      FSN3 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:22.652 Tx1-16 FISU (49)
    • 83 83 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000011
      .
      BSN3 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000011
      .
      FSN3 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:22.652 Rx1-16 FISU (1)
    • 83 83 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000011
      .
      BSN3 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000011
      .
      FSN3 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:22.820 Tx1-16 FISU (219)
    • 83 83 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000011
      .
      BSN3 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000011
      .
      FSN3 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:22.820 Rx1-16 FISU (213)
    • 83 83 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000011
      .
      BSN3 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000011
      .
      FSN3 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:22.820 Rx1-16 OPC: 14600 DPC: 31 DT1.CIPHER MODE COMMAND
    • 83 84 1E 03 1F 00 42 4E 06 53 02 8B 00 01 12 00 10 53 07 02 06 00 0A 09 07 7C CE B6 69 0C 76 2C
      00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000011
      .
      BSN3 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000100
      .
      FSN4 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..011110
      .
      LI30 Dec (MSU).
      00......
      .
      SpareSpare.
      03
      ....0011
      .
      Service indSCCP.
      ..00....
      .
      SpareSpare.
      00......
      .
      Network indInternational network.
      04
      00011111
      .
      DPCSee below.
      05
      ..000000
      .
      DPC31.
      00......
      .
      OPCSee below.
      06
      01000010
      .
      OPCSee below.
      07
      ....1110
      .
      OPC14600.
      0100....
      .
      SLS4 Dec.
      SCCP ITU.
      08
      00000110
      .
      Message typeDT1 (6).
      9-11
      .
      Destination local reference9110099.
      Segmenting/reassembling.
      12
      0000000.
      .
      spare0.
      .......0
      .
      More data indication0 (no more data).
      Pointer to Data.
      13
      00000001
      .
      Pointer to Data1.
      Data.
      14
      00010010
      .
      Length indicator18.
      15-32
      .
      Data18 Octets (hex): 00 10 53 07 02....
      GSM BSSAP.
      Distribution Data Unit.
      15
      00000000
      .
      Discrimination Parameter0 (Non Transparent).
      Length indicator.
      16
      00010000
      .
      Length indicator16.
      Layer 3 data.
      17-32
      .
      Layer 3 data16 Octets (hex): 53 07 02 06 00....
      GSM BSSMAP.
      17
      01010011
      .
      Message TypeCIPHER MODE COMMAND (83).
      Layer 3 Header Information.
      18
      00000111
      .
      Information Element IdentifierLayer 3 Header Information (7).
      19
      00000010
      .
      Length2.
      20
      00000110
      .
      Protocol discriminator6.
      21
      00000000
      .
      Transaction identifier0.
      Encryption Information.
      22
      00001010
      .
      Information Element IdentifierEncryption Information (10).
      23
      00001001
      .
      Length9.
      24
      00000111
      Permitted algorithmssee below.
      0.......
      .
      GSM A5/70 (not permitted).
      .0......
      .
      GSM A5/60 (not permitted).
      ..0.....
      .
      GSM A5/50 (not permitted).
      ...0....
      .
      GSM A5/40 (not permitted).
      ....0...
      .
      GSM A5/30 (not permitted).
      .....1..
      .
      GSM A5/21 (permitted).
      ......1.
      .
      GSM A5/11 (permitted).
      .......1
      .
      No encryption1 (permitted).
      25-32
      .
      Key8 Octets (hex): 7C CE B6 69 0C....
  • 19:42:22.821 Tx1-16 FISU (123)
    • 84 83 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000100
      .
      BSN4 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000011
      .
      FSN3 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:22.821 Rx1-16 FISU (65)
    • 83 84 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000011
      .
      BSN3 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000100
      .
      FSN4 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:22.982 Tx1-16 OPC: 31 DPC: 14600 DT1.CIPHER MODE COMPLETE
    • 84 84 11 03 08 F9 07 40 06 E2 02 E8 00 01 05 00 03 55 2C 02
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000100
      .
      BSN4 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000100
      .
      FSN4 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..010001
      .
      LI17 Dec (MSU).
      00......
      .
      SpareSpare.
      03
      ....0011
      .
      Service indSCCP.
      ..00....
      .
      SpareSpare.
      00......
      .
      Network indInternational network.
      04
      00001000
      .
      DPCSee below.
      05
      ..111001
      .
      DPC14600.
      11......
      .
      OPCSee below.
      06
      00000111
      .
      OPCSee below.
      07
      ....0000
      .
      OPC31.
      0100....
      .
      SLS4 Dec.
      SCCP ITU.
      08
      00000110
      .
      Message typeDT1 (6).
      9-11
      .
      Destination local reference15205090.
      Segmenting/reassembling.
      12
      0000000.
      .
      spare0.
      .......0
      .
      More data indication0 (no more data).
      Pointer to Data.
      13
      00000001
      .
      Pointer to Data1.
      Data.
      14
      00000101
      .
      Length indicator5.
      15-19
      .
      Data5 Octets (hex): 00 03 55 2C 02.
      GSM BSSAP.
      Distribution Data Unit.
      15
      00000000
      .
      Discrimination Parameter0 (Non Transparent).
      Length indicator.
      16
      00000011
      .
      Length indicator3.
      Layer 3 data.
      17-19
      .
      Layer 3 data3 Octets (hex): 55 2C 02.
      GSM BSSMAP.
      17
      01010101
      .
      Message TypeCIPHER MODE COMPLETE (85).
      Chosen Encryption Algorithm.
      18
      00101100
      .
      Information Element IdentifierChosen Encryption Algorithm (44).
      19
      00000010
      .
      Algorithm identifier2 (GSM user data encryption version 1(A5/1).).
  • 19:42:23.023 Tx1-16 FISU (52)
    • 84 84 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000100
      .
      BSN4 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000100
      .
      FSN4 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:23.023 Rx1-16 FISU (1)
    • 84 84 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000100
      .
      BSN4 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000100
      .
      FSN4 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:23.192 Tx1-16 FISU (225)
    • 84 84 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000100
      .
      BSN4 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000100
      .
      FSN4 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:23.192 Rx1-16 FISU (221)
    • 84 84 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000100
      .
      BSN4 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000100
      .
      FSN4 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:23.192 Rx1-16 OPC: 14600 DPC: 31 DT1.IDENTITY REQUEST
    • 84 85 12 03 1F 00 42 4E 06 53 02 8B 00 01 06 01 80 03 05 18 02
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000100
      .
      BSN4 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000101
      .
      FSN5 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..010010
      .
      LI18 Dec (MSU).
      00......
      .
      SpareSpare.
      03
      ....0011
      .
      Service indSCCP.
      ..00....
      .
      SpareSpare.
      00......
      .
      Network indInternational network.
      04
      00011111
      .
      DPCSee below.
      05
      ..000000
      .
      DPC31.
      00......
      .
      OPCSee below.
      06
      01000010
      .
      OPCSee below.
      07
      ....1110
      .
      OPC14600.
      0100....
      .
      SLS4 Dec.
      SCCP ITU.
      08
      00000110
      .
      Message typeDT1 (6).
      9-11
      .
      Destination local reference9110099.
      Segmenting/reassembling.
      12
      0000000.
      .
      spare0.
      .......0
      .
      More data indication0 (no more data).
      Pointer to Data.
      13
      00000001
      .
      Pointer to Data1.
      Data.
      14
      00000110
      .
      Length indicator6.
      15-20
      .
      Data6 Octets (hex): 01 80 03 05 18....
      GSM BSSAP.
      Distribution Data Unit.
      15
      00000001
      .
      Discrimination Parameter1 (Transparent).
      16
      10000000
      DLCIsee below.
      10......
      .
      Control channel identificationFACCH or SDCCH (2).
      ..000...
      .
      spare0.
      .....000
      .
      SAPI0 (CC, MM, RR).
      Length indicator.
      17
      00000011
      .
      Length indicator3.
      Layer 3 data.
      18-20
      .
      Layer 3 data3 Octets (hex): 05 18 02.
      GSM DTAP.
      18-20
      .
      3 Octets (hex): 05 18 02.
      GSM Radio L3.
      18
      ....0101
      .
      Mobility management protocol discriminator5 (mobility management messages).
      0000....
      .
      Skip Indicator0.
      Identity Request message type.
      19
      00......
      .
      N(SD)0.
      ..011000
      .
      Message typeIdentity request (24).
      Spare half octet.
      20
      0000....
      .
      Spare half octet0.
      Identity type.
      ....0...
      .
      sparespare value (0).
      .....010
      .
      Type of identityIMEI (2).
  • 19:42:23.192 Tx1-16 FISU (30)
    • 85 84 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000101
      .
      BSN5 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000100
      .
      FSN4 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:23.193 Rx1-16 FISU (1)
    • 84 85 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000100
      .
      BSN4 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000101
      .
      FSN5 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:23.360 Tx1-16 OPC: 31 DPC: 14600 DT1.IDENTITY RESPONSE
    • 85 85 1A 03 08 F9 07 40 06 E2 02 E8 00 01 0E 01 80 0B 05 59 08 4A 94 32 65 29 44 00 31
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000101
      .
      BSN5 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000101
      .
      FSN5 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..011010
      .
      LI26 Dec (MSU).
      00......
      .
      SpareSpare.
      03
      ....0011
      .
      Service indSCCP.
      ..00....
      .
      SpareSpare.
      00......
      .
      Network indInternational network.
      04
      00001000
      .
      DPCSee below.
      05
      ..111001
      .
      DPC14600.
      11......
      .
      OPCSee below.
      06
      00000111
      .
      OPCSee below.
      07
      ....0000
      .
      OPC31.
      0100....
      .
      SLS4 Dec.
      SCCP ITU.
      08
      00000110
      .
      Message typeDT1 (6).
      9-11
      .
      Destination local reference15205090.
      Segmenting/reassembling.
      12
      0000000.
      .
      spare0.
      .......0
      .
      More data indication0 (no more data).
      Pointer to Data.
      13
      00000001
      .
      Pointer to Data1.
      Data.
      14
      00001110
      .
      Length indicator14.
      15-28
      .
      Data14 Octets (hex): 01 80 0B 05 59....
      GSM BSSAP.
      Distribution Data Unit.
      15
      00000001
      .
      Discrimination Parameter1 (Transparent).
      16
      10000000
      DLCIsee below.
      10......
      .
      Control channel identificationFACCH or SDCCH (2).
      ..000...
      .
      spare0.
      .....000
      .
      SAPI0 (CC, MM, RR).
      Length indicator.
      17
      00001011
      .
      Length indicator11.
      Layer 3 data.
      18-28
      .
      Layer 3 data11 Octets (hex): 05 59 08 4A 94....
      GSM DTAP.
      18-28
      .
      11 Octets (hex): 05 59 08 4A 94....
      GSM Radio L3.
      18
      ....0101
      .
      Mobility management protocol discriminator5 (mobility management messages).
      0000....
      .
      Skip Indicator0.
      Identity Response message type.
      19
      01......
      .
      N(SD)1.
      ..011001
      .
      Message typeIdentity response (25).
      Mobile identity.
      20
      00001000
      .
      Length indicator8.
      21
      .....010
      .
      Type of identityIMEI (2).
      ....1...
      .
      Odd/even indicatorodd number of identity digits (1).
      21-28
      .
      Identity digits449235692440013.
  • 19:42:23.365 Tx1-16 OPC: 31 DPC: 14600 DT1.SETUP (->2476212)
    • 85 86 20 03 08 F9 07 40 06 E2 02 E8 00 01 14 01 80 11 03 05 04 03 20 02 80 5E 05 81 42 67 12 F2
      15 01 01
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000101
      .
      BSN5 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000110
      .
      FSN6 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..100000
      .
      LI32 Dec (MSU).
      00......
      .
      SpareSpare.
      03
      ....0011
      .
      Service indSCCP.
      ..00....
      .
      SpareSpare.
      00......
      .
      Network indInternational network.
      04
      00001000
      .
      DPCSee below.
      05
      ..111001
      .
      DPC14600.
      11......
      .
      OPCSee below.
      06
      00000111
      .
      OPCSee below.
      07
      ....0000
      .
      OPC31.
      0100....
      .
      SLS4 Dec.
      SCCP ITU.
      08
      00000110
      .
      Message typeDT1 (6).
      9-11
      .
      Destination local reference15205090.
      Segmenting/reassembling.
      12
      0000000.
      .
      spare0.
      .......0
      .
      More data indication0 (no more data).
      Pointer to Data.
      13
      00000001
      .
      Pointer to Data1.
      Data.
      14
      00010100
      .
      Length indicator20.
      15-34
      .
      Data20 Octets (hex): 01 80 11 03 05....
      GSM BSSAP.
      Distribution Data Unit.
      15
      00000001
      .
      Discrimination Parameter1 (Transparent).
      16
      10000000
      DLCIsee below.
      10......
      .
      Control channel identificationFACCH or SDCCH (2).
      ..000...
      .
      spare0.
      .....000
      .
      SAPI0 (CC, MM, RR).
      Length indicator.
      17
      00010001
      .
      Length indicator17.
      Layer 3 data.
      18-34
      .
      Layer 3 data17 Octets (hex): 03 05 04 03 20....
      GSM DTAP.
      18-34
      .
      17 Octets (hex): 03 05 04 03 20....
      GSM Radio L3.
      18
      ....0011
      .
      Call control protocol discriminator3 (call control; call related SS messages).
      Transaction identifier.
      .000....
      .
      TIOTI value 0 (0).
      0.......
      .
      TI flagThe message is sent from the side that originates the TI (0).
      Setup Message type.
      19
      00......
      .
      N(SD)0.
      ..000101
      .
      Message typeSetup (5).
      Bearer capability list.
      20-24
      Bearer capability1 Elements.
      20-24
      Bearer capability[0]see below.
      20
      00000100
      .
      Information Element Identifier4.
      21
      00000011
      .
      Length indicator3.
      22
      0.......
      .
      Ext3octet 3a follows (0).
      .01.....
      .
      radio channel requirementfull rate support only MS / fullrate speech version 1 supported (1).
      ...0....
      .
      Coding standardGSM standardized coding as described below (0).
      ....0...
      .
      transfer modecircuit mode (0).
      .....000
      .
      information transfer capabilityspeech (0).
      23
      0.......
      .
      Ext3aoctet 3b follows (0).
      .0......
      .
      Codingoctet used for extension of information transfer capability (0).
      ..0.....
      .
      CTM text telephony indicationCTM text telephony is not supported (0).
      ...0....
      .
      Sparespare value (0).
      ....0010
      .
      Speech version indicationGSM full rate speech version 2 (2).
      24
      10000000
      other speech versions1 Elements.
      10000000
      other speech versions[0]see below.
      1.......
      .
      Extlast octet (1).
      .0......
      .
      Codingoctet used for extension of information transfer capability (0).
      ..00....
      .
      Sparespare value (0).
      ....0000
      .
      Speech version indicationGSM full rate speech version 1 (0).
      Called party BCD Number.
      25
      01011110
      .
      Information Element Identifier94.
      26
      00000101
      .
      Length indicator5.
      27
      1.......
      .
      ExtReserved value (1).
      .000....
      .
      Type of numberunknown (0).
      ....0001
      .
      Numbering plan identificationISDN/telephony numbering plan (1).
      28-31
      .
      Number digits2476212.
      CC capabilities.
      32
      00010101
      .
      Information Element Identifier21.
      33
      00000001
      .
      Length indicator1.
      34
      0000....
      .
      Maximum number of supported bearers0.
      ....00..
      .
      Sparespare value (0).
      ......0.
      .
      PCPThis value indicates that the mobile station does not support the Prolonged Clearing.
      .
      Procedure (0)
      .......1
      .
      DTMFThis value indicates that the mobile station supports DTMF as specified in subclause.
      .
      of the present document(1).
  • 19:42:23.403 Tx1-16 FISU (53)
    • 85 86 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000101
      .
      BSN5 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000110
      .
      FSN6 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:23.403 Rx1-16 FISU (6)
    • 85 85 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000101
      .
      BSN5 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000101
      .
      FSN5 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:23.408 Rx1-16 FISU (1)
    • 86 85 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000110
      .
      BSN6 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000101
      .
      FSN5 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:23.515 Tx1-16 FISU (144)
    • 85 86 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000101
      .
      BSN5 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000110
      .
      FSN6 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:23.515 Rx1-16 FISU (140)
    • 86 85 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000110
      .
      BSN6 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000101
      .
      FSN5 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:23.516 Rx1-16 OPC: 14600 DPC: 31 DT1.CALL PROCEEDING
    • 86 86 11 03 1F 00 42 4E 06 53 02 8B 00 01 05 01 80 02 83 02
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000110
      .
      BSN6 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000110
      .
      FSN6 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..010001
      .
      LI17 Dec (MSU).
      00......
      .
      SpareSpare.
      03
      ....0011
      .
      Service indSCCP.
      ..00....
      .
      SpareSpare.
      00......
      .
      Network indInternational network.
      04
      00011111
      .
      DPCSee below.
      05
      ..000000
      .
      DPC31.
      00......
      .
      OPCSee below.
      06
      01000010
      .
      OPCSee below.
      07
      ....1110
      .
      OPC14600.
      0100....
      .
      SLS4 Dec.
      SCCP ITU.
      08
      00000110
      .
      Message typeDT1 (6).
      9-11
      .
      Destination local reference9110099.
      Segmenting/reassembling.
      12
      0000000.
      .
      spare0.
      .......0
      .
      More data indication0 (no more data).
      Pointer to Data.
      13
      00000001
      .
      Pointer to Data1.
      Data.
      14
      00000101
      .
      Length indicator5.
      15-19
      .
      Data5 Octets (hex): 01 80 02 83 02.
      GSM BSSAP.
      Distribution Data Unit.
      15
      00000001
      .
      Discrimination Parameter1 (Transparent).
      16
      10000000
      DLCIsee below.
      10......
      .
      Control channel identificationFACCH or SDCCH (2).
      ..000...
      .
      spare0.
      .....000
      .
      SAPI0 (CC, MM, RR).
      Length indicator.
      17
      00000010
      .
      Length indicator2.
      Layer 3 data.
      18-19
      .
      Layer 3 data2 Octets (hex): 83 02.
      GSM DTAP.
      18-19
      .
      2 Octets (hex): 83 02.
      GSM Radio L3.
      18
      ....0011
      .
      Call control protocol discriminator3 (call control; call related SS messages).
      Transaction identifier.
      .000....
      .
      TIOTI value 0 (0).
      1.......
      .
      TI flagThe message is sent to the side that originates the TI (1).
      Call proceeding message type.
      19
      00......
      .
      N(SD)0.
      ..000010
      .
      Message typeCall proceeding (2).
  • 19:42:23.516 Tx1-16 FISU (1)
    • 86 86 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000110
      .
      BSN6 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000110
      .
      FSN6 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:23.520 Rx1-16 OPC: 14600 DPC: 31 DT1.ASSIGNMENT REQUEST
    • 86 87 1D 03 1F 00 42 4E 06 53 02 8B 00 01 11 00 0F 01 0B 03 01 08 00 07 02 06 00 01 02 F1 19 01
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000110
      .
      BSN6 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000111
      .
      FSN7 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..011101
      .
      LI29 Dec (MSU).
      00......
      .
      SpareSpare.
      03
      ....0011
      .
      Service indSCCP.
      ..00....
      .
      SpareSpare.
      00......
      .
      Network indInternational network.
      04
      00011111
      .
      DPCSee below.
      05
      ..000000
      .
      DPC31.
      00......
      .
      OPCSee below.
      06
      01000010
      .
      OPCSee below.
      07
      ....1110
      .
      OPC14600.
      0100....
      .
      SLS4 Dec.
      SCCP ITU.
      08
      00000110
      .
      Message typeDT1 (6).
      9-11
      .
      Destination local reference9110099.
      Segmenting/reassembling.
      12
      0000000.
      .
      spare0.
      .......0
      .
      More data indication0 (no more data).
      Pointer to Data.
      13
      00000001
      .
      Pointer to Data1.
      Data.
      14
      00010001
      .
      Length indicator17.
      15-31
      .
      Data17 Octets (hex): 00 0F 01 0B 03....
      GSM BSSAP.
      Distribution Data Unit.
      15
      00000000
      .
      Discrimination Parameter0 (Non Transparent).
      Length indicator.
      16
      00001111
      .
      Length indicator15.
      Layer 3 data.
      17-31
      .
      Layer 3 data15 Octets (hex): 01 0B 03 01 08....
      GSM BSSMAP.
      17
      00000001
      .
      Message TypeASSIGNMENT REQUEST (1).
      Channel Type.
      18
      00001011
      .
      Information Element IdentifierChannel Type (11).
      19
      00000011
      .
      Length3.
      20
      0000....
      .
      spare0.
      ....0001
      .
      Speech / data indicator1 (Speech).
      21
      00001000
      .
      Channel rate and type for speech 8 (Full rate TCH channel Bm).
      22
      00000000
      Permitted speech version indication1 Elements.
      00000000
      Permitted speech version indication[0]see below.
      0.......
      .
      Extension bit0 (no extension).
      .0000000
      .
      permitted speech version identifier0.
      Layer 3 Header Information.
      23
      00000111
      .
      Information Element IdentifierLayer 3 Header Information (7).
      24
      00000010
      .
      Length2.
      25
      00000110
      .
      Protocol discriminator6.
      26
      00000000
      .
      Transaction identifier0.
      Circuit Identity Code.
      27
      00000001
      .
      Information Element IdentifierCircuit Identity Code (1).
      28-29
      .
      CIC753.
      Downlink DTX Flag.
      30
      00011001
      .
      Information Element IdentifierDownlink DTX Flag (25).
      31
      0000000.
      .
      spare0.
      .......1
      .
      Downlink DTX flag1 (the MSC forbids the BSS to activate DTX in the downlink direction).
  • 19:42:23.520 Tx1-16 FISU (1)
    • 87 86 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000111
      .
      BSN7 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000110
      .
      FSN6 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:23.521 Rx1-16 FISU (1)
    • 86 87 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000110
      .
      BSN6 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000111
      .
      FSN7 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:23.627 Tx1-16 OPC: 31 DPC: 14600 DT1.ASSIGNMENT COMPLETE
    • 87 87 0F 03 08 F9 07 40 06 E2 02 E8 00 01 03 00 01 02
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000111
      .
      BSN7 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000111
      .
      FSN7 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..001111
      .
      LI15 Dec (MSU).
      00......
      .
      SpareSpare.
      03
      ....0011
      .
      Service indSCCP.
      ..00....
      .
      SpareSpare.
      00......
      .
      Network indInternational network.
      04
      00001000
      .
      DPCSee below.
      05
      ..111001
      .
      DPC14600.
      11......
      .
      OPCSee below.
      06
      00000111
      .
      OPCSee below.
      07
      ....0000
      .
      OPC31.
      0100....
      .
      SLS4 Dec.
      SCCP ITU.
      08
      00000110
      .
      Message typeDT1 (6).
      9-11
      .
      Destination local reference15205090.
      Segmenting/reassembling.
      12
      0000000.
      .
      spare0.
      .......0
      .
      More data indication0 (no more data).
      Pointer to Data.
      13
      00000001
      .
      Pointer to Data1.
      Data.
      14
      00000011
      .
      Length indicator3.
      15-17
      .
      Data3 Octets (hex): 00 01 02.
      GSM BSSAP.
      Distribution Data Unit.
      15
      00000000
      .
      Discrimination Parameter0 (Non Transparent).
      Length indicator.
      16
      00000001
      .
      Length indicator1.
      Layer 3 data.
      17
      00000010
      .
      Layer 3 data1 Octets (hex): 02.
      GSM BSSMAP.
      17
      00000010
      .
      Message TypeASSIGNMENT COMPLETE (2).
  • 19:42:23.668 Tx1-16 FISU (52)
    • 87 87 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000111
      .
      BSN7 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000111
      .
      FSN7 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:23.668 Rx1-16 FISU (1)
    • 87 87 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000111
      .
      BSN7 Dec.
      1.......
      .
      BIB1 Dec.
      01
      .0000111
      .
      FSN7 Dec.
      1.......
      .
      FIB1 Dec.
      02
      ..000000
      .
      LI0 (FISU).
      00......
      .
      SpareSpare.
  • 19:42:23.771 Tx1-16 FISU (134)
    • 87 87 00
      
      POS
      BINARY
      NAME
      VALUE
      MTP.
      00
      .0000111
      .
      BSN7 Dec.
      1.......</