+---------------+---------+---------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|Signalling Link|Direction|Timestamp|Message |+---------------+---------+---------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|SGSN-RNCBL_00 |BACKWARD | |=== Signalling Plane === || | | | === Internet Protocol === || | | | IP Version : 4 = IPv4, Internet Protocol || | | | Internet Header Length : 5 = 20 Bytes || | | | Precedence : 110..... = Internetwork control. || | | | Delay : ...0.... = Normal delay. || | | | Throughput : ....0... = Normal throughput. || | | | Reliability : .....0.. = Normal reliability. || | | | Monetary cost : ......0. = Normal monetary cost. || | | | Reserved : .......0 || | | | Total Length : 204 || | | | Identification : 49151 || | | | Reserved : 0....... || | | | Do not fragment : .0...... = Fragment if necessary. || | | | More fragments : ..0..... = This is the last fragment. || | | | Fragment Offset : 0 = 0 Bytes || | | | Time to Live : 253 |

| | | | Upper Layer Protocol : 132 = SCTP || | | | Header Checksum : 39356 || | | | Source IP Address : AC 13 05 0Ah = 172.19.5.10 / B || | | | Destination IP Address : AC 13 05 01h = 172.19.5.1 / B || | | | === Stream Control Transmission Protocol === || | | | SCTP Source Port : 2905 = M3UA_SIGTRAN || | | | SCTP Destination Port : 2908 = UNKNOWN || | | | Verification Tag : 941363867 || | | | Checksum : 44 F0 83 23h || | | | --- Payload Data --- || | | | Chunk Type : 0 = Payload || | | | Reserved : 00000... || | | | U Bit : .....0.. = Ordered DATA chunk || | | | B E Bits : ......11 = Unfragmented message || | | | Length : 172 || | | | TSN : 128994442 || | | | Stream Identifier : 10 || | | | Stream Sequence Number : 4007 || | | | Payload Protocol Identifier : 3 = M3UA || | | | === MTP 3 User Adaptation Layer === |

| | | | Version : 1 = Release 1.0 || | | | Reserved : 0 || | | | Message Class : 1 = Transfer Messages || | | | --- Transfer Messages --- || | | | Message Type : 01h = Payload Data(DATA) || | | | Length : 156 || | | | --- Payload data --- || | | | TAG Field : 528 = Protocol Data || | | | Length : 146 || | | | --- Origination Point Code --- || | | | mask : 0 = Last 0 bits of the PC are wildcarded || | | | Spare : 0 || | | | Originating Point Code : 8490 = RNCBL01 || | | | --- Destination Point Code --- || | | | mask : 0 = Last 0 bits of the PC are wildcarded || | | | Spare : 0 || | | | Destination Point Code : 8459 = SGSN || | | | Service Indicator : 3 = SCCP || | | | Network Indicator : 2 = National network || | | | Message Priority : 0 |

| | | | Signalling Link Selection : 4 || | | | --- Protocol Data --- || | | | === Signalling Connection Control Part === || | | | Message type : 01h = CR || | | | --- Connection Request --- || | | | Source Local Reference : 5441794 || | | | --- Protocol Class --- || | | | Protocol Class : 2 = Class 2 - Basic connection-oriented class || | | | Spare : 0000.... || | | | Pointer to Mandatory Parameters : 2 || | | | Pointer to Optional Parameters : 6 || | | | Length : 4 || | | | --- Called Party Address --- || | | | Point Code indicator : .......1 = Point code present || | | | SSN Indicator : ......1. = Subsystem number present || | | | Global Title Indicator : ..0000.. = No global title included || | | | Routing indicator : .1...... = Routing based on DPC and SSN || | | | Reserved for national use : 0....... || | | | Signalling Point Code : 8459 = SGSN || | | | Spare : 00...... |

| | | | Subsystem Number : 8Eh = RANAP || | | | Parameter Code : 04h || | | | Length : 4 || | | | --- Calling Party Address --- || | | | Point Code indicator : .......1 = Point code present || | | | SSN Indicator : ......1. = Subsystem number present || | | | Global Title Indicator : ..0000.. = No global title included || | | | Routing indicator : .1...... = Routing based on DPC and SSN || | | | Reserved for national use : 0....... || | | | Signalling Point Code : 8490 = RNCBL01 || | | | Spare : 00...... || | | | Subsystem Number : 8Eh = RANAP || | | | Parameter Code : 0Fh || | | | Length : 109 || | | | --- DATA Parameter --- || | | | === RANAP === || | | | --- Initiating Message --- || | | | Procedure Code : 19 || | | | Criticality : ignore || | | | Parameter Len : 105 |

| | | | --- InitialUE-Message --- || | | | --- Protocol IEs --- || | | | No. of Seq IEs : 7 || | | | --- Sequence --- || | | | IE ID : 3 || | | | Criticality : ignore || | | | Parameter Len : 1 || | | | CN-Domain Indicator : ps-domain || | | | --- Sequence --- || | | | IE ID : 15 || | | | Criticality : ignore || | | | Parameter Len : 6 || | | | --- Lai --- || | | | PLMN Identity : 218F05 || | | | LAC : 32 || | | | --- Sequence --- || | | | IE ID : 55 || | | | Criticality : ignore || | | | Parameter Len : 1 || | | | RAC : 32 |

| | | | --- Sequence --- || | | | IE ID : 58 || | | | Criticality : ignore || | | | Parameter Len : 8 || | | | --- SAI --- || | | | PLMN Identity : 218F05 || | | | LAC : 32 || | | | SAC : 30051 || | | | --- Sequence --- || | | | IE ID : 16 || | | | Criticality : ignore || | | | Parameter Len : 50 || | | | --- NAS-PDU --- || | | | Length : 49 || | | | === Radio interface layer3 === || | | | Protocol Discriminator : 8h = GMM || | | | Skip indicator : 0 || | | | === GPRS Mobility Management === || | | | Message Type : 08h = Routing Area Update Request || | | | --- GMM Routing Area Update Request --- |

| | | | --- Ciphering key sequence number --- || | | | Spare : 0....... || | | | Key Sequence : 2 = ciphering key sequence number || | | | --- Update Type --- || | | | Follow on request pending : ....0... = No Follow on request pending || | | | Update type value : 0 = RA updating || | | | --- GMM Routing Area Identification --- || | | | Mobile Country Code : 218 || | | | Mobile Network Code : 05 || | | | Spare : Fh || | | | Location area code : 2 || | | | Routing Area code : 20 || | | | Length : 16 || | | | --- MS Radio Access capability --- || | | | Access Technology Type : 0001.... = GSM E --note that GSM E covers GSM P || | | | Length of Access Capability Structure : 79 || | | | RF Power Capability : 4 || | | | A5 BIT : ......1. || | | | A5/1 : .......1 = Encryption algorithm A5/1 available || | | | A5/2 : 0....... = Encryption algorithm A5/2 not available |

| | | | A5/3 : .1...... = Encryption algorithm A5/3 available || | | | A5/4 : ..0..... = Encryption algorithm A5/4 not available || | | | A5/5 : ...0.... = Encryption algorithm A5/5 not available || | | | A5/6 : ....0... = Encryption algorithm A5/6 not available || | | | A5/7 : .....0.. = Encryption algorithm A5/7 not available || | | | ES IND : ......1. = controlled early Classmark Sending option is implemented || | | | PS : .......0 = PS capability not present || | | | VGCS : 0....... = no VGCS capability or no notifications wanted || | | | VB : .0...... = no VBS capability or no notifications wanted || | | | Multislot Bit : ..1..... || | | | HSCSD Bit : ...0.... || | | | GPRS Multislot Class Bit : ....1... || | | | GPRS Multislot Class : 01100b || | | | GPRS Exten Dyna Alloc Capab : ..1..... = Extended Dynamic Allocation Capability for GPRS is implemented || | | | SMS Value Bit : ...1.... || | | | SMS Value : ....1111 = 16 / 4 timeslot || | | | SM Value : 1111.... = 16 / 4 timeslot || | | | ECSD Bit : ....0... || | | | EGPRS Multislot Class Bit : .....1.. || | | | EGPRS Multislot Class : 01100b |

| | | | EGPRS Exten Dyna Alloc Capab : ...1.... = Extended Dynamic Allocation Capability for EGPRS is implemented || | | | DTM GPRS Multislot Class Bit : ....0... || | | | PSK8 Power Capability Bit : .....1.. || | | | PSK8 Power Capability : ......10 = Power class E2 || | | | COMPACT Interfe Meas Capability : 0....... = COMPACT Interference Measurement Capability is not implemented || | | | Revision Level Indicator : .1...... = The ME is Release ?99 onwards || | | | UMTS FDD Radio Access Tech Capability : ..1..... = UMTS FDD supported || | | | UMTS 3.84 Mcps TDD Radio Acc Tech Capab : ...0.... = UMTS 3.84 Mcps TDD not supported || | | | CDMA 2000 Radio Access Tech Capability : ....0... = CDMA2000 not supported || | | | UMTS 1.28 Mcps TDD Radio Acc Tech Capab : .....0.. = UMTS 1.28 Mcps TDD not supported || | | | GERAN Feature Package 1 : ......1. = GERAN feature package 1 supported || | | | Extended DTM GPRS Multi Capab Bit : .......0 || | | | Modulation based multislot class support : 1....... = Modulation based multislot class supported || | | | High multi slot capability bit : .1...... || | | | High multi slot capability bit : ..00.... = actual multislot class - 30/39/32/33 || | | | Geran Iu mode capability bit : ....0... || | | | Gmsk multislot power profile : .....10. = GMSK Multislot power profile 2 || | | | psk-8 multislot power profile : 10b = 8-PSK Multislot power profile 2 || | | | Multiple TBF capability : .0...... = Multiple TBF procedures in A/Gb mode not supported || | | | Downlink advanced Rx performance : ..01.... = Downlink Advanced Receiver Performance - phase I supported |

| | | | Extended RLC/MAC cntr msg segm facility : ....0... = Extended RLC/MAC control message segmentation not supported || | | | DTM Enhancements Capability : .....0.. = The mobile station does not support enhanced DTM CS establishment and enhanced DTM CS release procedures|| | | | DTM GPRS High Multi Slot Class bit : ......0. || | | | PS Handover Capability : .......0 = The mobile station does not support PS Handover || | | | DTM Handover Capability : 0....... = The mobile station does not support DTM Handover || | | | Mul Slot Capability Red DL Dual Carr bit : .0...... || | | | Flexible Timeslot Assignment bit : ..0..... = The mobile station does not support Flexible Timeslot Assignment || | | | GAN PS Handover Capability bit : ...0.... = The mobile station does not support PS Handover from GERAN/UTRAN cell to a GAN cell || | | | RLC Non-persistent Mode bit : ....0... = The mobile station does not support RLC Non-persistent Mode || | | | Reduced Latency Capability bit : .....0.. = The mobile station does not support Reduced TTI configurations and Fast Ack/Nack Reporting || | | | Uplink EGPRS2 : ......00 = The mobile station does not support either EGPRS2-A or EGPRS2-B in the uplink || | | | Downlink EGPRS2 : 00...... = The mobile station does not support either EGPRS2-A or EGPRS2-B in the downlink || | | | MS Radio Access Cab Bit : ..1..... || | | | Access Technology Type : ...1111. = Indicates the presence of a list of Addi. access technologies || | | | Length of Access Capability Structure : 21 || | | | Addit Access Technology Bit : ......1. || | | | Access Technology Type : 0011b = GSM 1800 || | | | GMSK Power Class : ...001.. || | | | PSK8 Power Class : ......10 = Power class E2 || | | | Addit Access Technology Bit : 1....... |

| | | | Access Technology Type : .0111... = GSM 850 || | | | GMSK Power Class : .....100 || | | | PSK8 Power Class : 10...... = Power class E2 || | | | Addit Access Technology Bit : ..0..... || | | | Remaining Spare Bits : ...00000 || | | | Information Element Id : 19h || | | | --- P_TMSI Signature --- || | | | P_TMSI signature value : B620DBh || | | | Information Element Id : 27h || | | | --- DRX Parameter --- || | | | Split PG Cycle Code : 08h = Split PG Cycle Val. is same || | | | Non-DRX timer : .....011 = max. 4 sec || | | | Split on CCCH : ....0... = not supported by MS || | | | CN Specific DRX cycle length coeff : 0 = CN Specific DRX cycle length coeff not specified by MS || | | | Information Element Id : 18h || | | | Length : 5 || | | | --- Mobile identity --- || | | | Type of identity : 4 = TMSI/P-TMSI || | | | Odd / Even indicator : ....0... = even || | | | Filler : 1111.... = spare |

| | | | Temporary Mobile Sub Id : C01ED4C6h || | | | Information Element Id : 31h || | | | Length : 3 || | | | --- MS Network Capability --- || | | | GPRS Encryption Algorithm : 1....... = enc. algo. GEA/1 available || | | | SM capabilities via dedicated channels : .1...... = SM via cs domain:MS supports || | | | SM capabilities via GPRS channels : ..1..... = via PS domain:MS supports || | | | UCS2 support : ...1.... = the ME has no perference b/w the use of default alphabet and the use of UCS2 || | | | SS Screening Indicator : ....01.. = capability of handling of ellipsis notation and phase 2 error handling || | | | SoLSA Capability : ......0. = ME does not support SoLSA || | | | Revision level indicator : .......1 = used by a MS supporting R99 or later versions of the protocol || | | | PFC Feature Mode : 1....... = MS does support BSS packet flow procedures || | | | GPRS Encryption Algorithm GEA/2 : .1...... = enc. algo. GEA/2 available || | | | GPRS Encryption Algorithm GEA/3 : ..1..... = enc. algo. GEA/3 available || | | | GPRS Encryption Algorithm GEA/4 : ...0.... = enc. algo. GEA/4 NA || | | | GPRS Encryption Algorithm GEA/5 : ....0... = enc. algo. GEA/5 NA || | | | GPRS Encryption Algorithm GEA/6 : .....0.. = enc. algo. GEA/6 NA || | | | GPRS Encryption Algorithm GEA/7 : ......0. = enc. algo. GEA/7 NA || | | | LCS VA Capability : .......1 = location request notification via PS domain supported || | | | PS inter-RAT HO to UTRAN Iu mode capblty : 0....... = PS inter-RAT HO to UTRAN Iu mode not supported |

| | | | Remaining Spare Bits : .0000000 || | | | Information Element Id : 32h || | | | Length : 2 || | | | --- PDP Context Status --- || | | | NSAPI(0) - NSAPI (4) : ...00000 || | | | NSAPI(5) : ..0..... = the SM state of the corresponding PDP context is PDP-INACTIVE || | | | NSAPI(6) : .0...... = the SM state of the corresponding PDP context is PDP-INACTIVE || | | | NSAPI(7) : 0....... = the SM state of the corresponding PDP context is PDP-INACTIVE || | | | NSAPI(8) : .......0 = the SM state of the corresponding PDP context is PDP-INACTIVE || | | | NSAPI(9) : ......0. = the SM state of the corresponding PDP context is PDP-INACTIVE || | | | NSAPI(10) : .....0.. = the SM state of the corresponding PDP context is PDP-INACTIVE || | | | NSAPI(11) : ....0... = the SM state of the corresponding PDP context is PDP-INACTIVE || | | | NSAPI(12) : ...0.... = the SM state of the corresponding PDP context is PDP-INACTIVE || | | | NSAPI(13) : ..0..... = the SM state of the corresponding PDP context is PDP-INACTIVE || | | | NSAPI(14) : .0...... = the SM state of the corresponding PDP context is PDP-INACTIVE || | | | NSAPI(15) : 0....... = the SM state of the corresponding PDP context is PDP-INACTIVE || | | | --- Sequence --- || | | | IE ID : 79 || | | | Criticality : ignore || | | | Parameter Len : 3 |

| | | | IuSignallingConnectionIdentifier : 12D56Fh || | | | --- Sequence --- || | | | IE ID : 86 || | | | Criticality : ignore || | | | Parameter Len : 5 || | | | --- GlobalRNC-ID --- || | | | PLMN Identity : 218F05 || | | | RNC-ID : 1 || | | | Parameter Code : 00h || | | | Padding Bytes : 0000h ||SGSN-RNCBL_00 |FORWARD | |=== Signalling Plane === || | | | === Internet Protocol === || | | | IP Version : 4 = IPv4, Internet Protocol || | | | Internet Header Length : 5 = 20 Bytes || | | | Precedence : 110..... = Internetwork control. || | | | Delay : ...0.... = Normal delay. || | | | Throughput : ....0... = Normal throughput. || | | | Reliability : .....0.. = Normal reliability. || | | | Monetary cost : ......0. = Normal monetary cost. || | | | Reserved : .......0 |

| | | | Total Length : 92 || | | | Identification : 6860 || | | | Reserved : 0....... || | | | Do not fragment : .0...... = Fragment if necessary. || | | | More fragments : ..0..... = This is the last fragment. || | | | Fragment Offset : 0 = 0 Bytes || | | | Time to Live : 254 || | | | Upper Layer Protocol : 132 = SCTP || | | | Header Checksum : 0 || | | | Source IP Address : AC 13 05 01h = 172.19.5.1 / B || | | | Destination IP Address : AC 13 05 0Ah = 172.19.5.10 / B || | | | === Stream Control Transmission Protocol === || | | | SCTP Source Port : 2908 = UNKNOWN || | | | SCTP Destination Port : 2905 = M3UA_SIGTRAN || | | | Verification Tag : 946910207 || | | | Checksum : 00 00 00 00h || | | | --- Payload Data --- || | | | Chunk Type : 0 = Payload || | | | Reserved : 00000... || | | | U Bit : .....0.. = Ordered DATA chunk |

| | | | B E Bits : ......11 = Unfragmented message || | | | Length : 60 || | | | TSN : 1080808085 || | | | Stream Identifier : 2 || | | | Stream Sequence Number : 4452 || | | | Payload Protocol Identifier : 3 = M3UA || | | | === MTP 3 User Adaptation Layer === || | | | Version : 1 = Release 1.0 || | | | Reserved : 0 || | | | Message Class : 1 = Transfer Messages || | | | --- Transfer Messages --- || | | | Message Type : 01h = Payload Data(DATA) || | | | Length : 44 || | | | --- Payload data --- || | | | TAG Field : 528 = Protocol Data || | | | Length : 36 || | | | --- Origination Point Code --- || | | | mask : 0 = Last 0 bits of the PC are wildcarded || | | | Spare : 0 || | | | Originating Point Code : 8459 = SGSN |

| | | | --- Destination Point Code --- || | | | mask : 0 = Last 0 bits of the PC are wildcarded || | | | Spare : 0 || | | | Destination Point Code : 8490 = RNCBL01 || | | | Service Indicator : 3 = SCCP || | | | Network Indicator : 2 = National network || | | | Message Priority : 0 || | | | Signalling Link Selection : 12 || | | | --- Protocol Data --- || | | | === Signalling Connection Control Part === || | | | Message type : 06h = DT1 || | | | --- Data form 1 --- || | | | Destination Local Reference : 5441794 || | | | --- Segmenting/reassembling --- || | | | More Data : .......0 = No more data || | | | Spare : 0000000. || | | | Pointer to Mandatory Parameters : 1 || | | | Length : 13 || | | | --- DATA Parameter --- || | | | === RANAP === |

| | | | --- Initiating Message --- || | | | Procedure Code : 1 || | | | Criticality : reject || | | | Parameter Len : 9 || | | | --- Iu-Release Command --- || | | | --- Protocol IEs --- || | | | No. of Seq IEs : 1 || | | | --- Sequence --- || | | | IE ID : 4 || | | | Criticality : ignore || | | | Parameter Len : 2 || | | | --- Cause --- || | | | Non-Standard : 152 ||SGSN-RNCBL_00 |FORWARD | |=== Signalling Plane === || | | | === Internet Protocol === || | | | IP Version : 4 = IPv4, Internet Protocol || | | | Internet Header Length : 5 = 20 Bytes || | | | Precedence : 110..... = Internetwork control. || | | | Delay : ...0.... = Normal delay. || | | | Throughput : ....0... = Normal throughput. |

| | | | Reliability : .....0.. = Normal reliability. || | | | Monetary cost : ......0. = Normal monetary cost. || | | | Reserved : .......0 || | | | Total Length : 100 || | | | Identification : 6860 || | | | Reserved : 0....... || | | | Do not fragment : .0...... = Fragment if necessary. || | | | More fragments : ..0..... = This is the last fragment. || | | | Fragment Offset : 0 = 0 Bytes || | | | Time to Live : 254 || | | | Upper Layer Protocol : 132 = SCTP || | | | Header Checksum : 0 || | | | Source IP Address : AC 13 05 01h = 172.19.5.1 / B || | | | Destination IP Address : AC 13 05 0Ah = 172.19.5.10 / B || | | | === Stream Control Transmission Protocol === || | | | SCTP Source Port : 2908 = UNKNOWN || | | | SCTP Destination Port : 2905 = M3UA_SIGTRAN || | | | Verification Tag : 946910207 || | | | Checksum : 00 00 00 00h || | | | --- Payload Data --- |

| | | | Chunk Type : 0 = Payload || | | | Reserved : 00000... || | | | U Bit : .....0.. = Ordered DATA chunk || | | | B E Bits : ......11 = Unfragmented message || | | | Length : 68 || | | | TSN : 1080808084 || | | | Stream Identifier : 2 || | | | Stream Sequence Number : 4451 || | | | Payload Protocol Identifier : 3 = M3UA || | | | === MTP 3 User Adaptation Layer === || | | | Version : 1 = Release 1.0 || | | | Reserved : 0 || | | | Message Class : 1 = Transfer Messages || | | | --- Transfer Messages --- || | | | Message Type : 01h = Payload Data(DATA) || | | | Length : 52 || | | | --- Payload data --- || | | | TAG Field : 528 = Protocol Data || | | | Length : 44 || | | | --- Origination Point Code --- |

| | | | mask : 0 = Last 0 bits of the PC are wildcarded || | | | Spare : 0 || | | | Originating Point Code : 8459 = SGSN || | | | --- Destination Point Code --- || | | | mask : 0 = Last 0 bits of the PC are wildcarded || | | | Spare : 0 || | | | Destination Point Code : 8490 = RNCBL01 || | | | Service Indicator : 3 = SCCP || | | | Network Indicator : 2 = National network || | | | Message Priority : 0 || | | | Signalling Link Selection : 12 || | | | --- Protocol Data --- || | | | === Signalling Connection Control Part === || | | | Message type : 06h = DT1 || | | | --- Data form 1 --- || | | | Destination Local Reference : 5441794 || | | | --- Segmenting/reassembling --- || | | | More Data : .......0 = No more data || | | | Spare : 0000000. || | | | Pointer to Mandatory Parameters : 1 |

| | | | Length : 21 || | | | --- DATA Parameter --- || | | | === RANAP === || | | | --- Initiating Message --- || | | | Procedure Code : 20 || | | | Criticality : ignore || | | | Parameter Len : 17 || | | | --- Direct Transfer --- || | | | --- Protocol IEs --- || | | | No. of Seq IEs : 2 || | | | --- Sequence --- || | | | IE ID : 16 || | | | Criticality : ignore || | | | Parameter Len : 5 || | | | --- NAS-PDU --- || | | | Length : 4 || | | | === Radio interface layer3 === || | | | Protocol Discriminator : 8h = GMM || | | | Skip indicator : 0 || | | | === GPRS Mobility Management === |

| | | | Message Type : 0Bh = Routing Area Update Reject || | | | --- GMM Routing Area Update Reject --- || | | | --- GMM Cause --- || | | | GMM cause value : 0Ah = Implicitly detached || | | | --- Spare Half Octet --- || | | | Spare : 0000.... || | | | --- Force to Standby --- || | | | Spare : ....0... || | | | Force to Standby Value : .....000 = Force to standby not indicated/Spare(MS -> N/W) || | | | --- Sequence --- || | | | IE ID : 59 || | | | Criticality : ignore || | | | Parameter Len : 1 || | | | SAPI : sapi-0 ||SGSN-RNCBL_00 |FORWARD | |=== Signalling Plane === || | | | === Internet Protocol === || | | | IP Version : 4 = IPv4, Internet Protocol || | | | Internet Header Length : 5 = 20 Bytes || | | | Precedence : 110..... = Internetwork control. || | | | Delay : ...0.... = Normal delay. |

| | | | Throughput : ....0... = Normal throughput. || | | | Reliability : .....0.. = Normal reliability. || | | | Monetary cost : ......0. = Normal monetary cost. || | | | Reserved : .......0 || | | | Total Length : 84 || | | | Identification : 6860 || | | | Reserved : 0....... || | | | Do not fragment : .0...... = Fragment if necessary. || | | | More fragments : ..0..... = This is the last fragment. || | | | Fragment Offset : 0 = 0 Bytes || | | | Time to Live : 254 || | | | Upper Layer Protocol : 132 = SCTP || | | | Header Checksum : 0 || | | | Source IP Address : AC 13 05 01h = 172.19.5.1 / B || | | | Destination IP Address : AC 13 05 0Ah = 172.19.5.10 / B || | | | === Stream Control Transmission Protocol === || | | | SCTP Source Port : 2908 = UNKNOWN || | | | SCTP Destination Port : 2905 = M3UA_SIGTRAN || | | | Verification Tag : 946910207 || | | | Checksum : 00 00 00 00h |

| | | | --- Payload Data --- || | | | Chunk Type : 0 = Payload || | | | Reserved : 00000... || | | | U Bit : .....0.. = Ordered DATA chunk || | | | B E Bits : ......11 = Unfragmented message || | | | Length : 52 || | | | TSN : 1080808081 || | | | Stream Identifier : 2 || | | | Stream Sequence Number : 4449 || | | | Payload Protocol Identifier : 3 = M3UA || | | | === MTP 3 User Adaptation Layer === || | | | Version : 1 = Release 1.0 || | | | Reserved : 0 || | | | Message Class : 1 = Transfer Messages || | | | --- Transfer Messages --- || | | | Message Type : 01h = Payload Data(DATA) || | | | Length : 36 || | | | --- Payload data --- || | | | TAG Field : 528 = Protocol Data || | | | Length : 25 |

| | | | --- Origination Point Code --- || | | | mask : 0 = Last 0 bits of the PC are wildcarded || | | | Spare : 0 || | | | Originating Point Code : 8459 = SGSN || | | | --- Destination Point Code --- || | | | mask : 0 = Last 0 bits of the PC are wildcarded || | | | Spare : 0 || | | | Destination Point Code : 8490 = RNCBL01 || | | | Service Indicator : 3 = SCCP || | | | Network Indicator : 2 = National network || | | | Message Priority : 0 || | | | Signalling Link Selection : 12 || | | | --- Protocol Data --- || | | | === Signalling Connection Control Part === || | | | Message type : 02h = CC || | | | --- Connection confirm --- || | | | Destination Local Reference : 5441794 || | | | Source Local Reference : 867593 || | | | --- Protocol Class --- || | | | Protocol Class : 2 = Class 2 - Basic connection-oriented class |

| | | | Spare : 0000.... || | | | Pointer to Optional Parameters : 0 || | | | Padding Bytes : 000000h ||SGSN-RNCBL_00 |BACKWARD | |=== Signalling Plane === || | | | === Internet Protocol === || | | | IP Version : 4 = IPv4, Internet Protocol || | | | Internet Header Length : 5 = 20 Bytes || | | | Precedence : 110..... = Internetwork control. || | | | Delay : ...0.... = Normal delay. || | | | Throughput : ....0... = Normal throughput. || | | | Reliability : .....0.. = Normal reliability. || | | | Monetary cost : ......0. = Normal monetary cost. || | | | Reserved : .......0 || | | | Total Length : 88 || | | | Identification : 49174 || | | | Reserved : 0....... || | | | Do not fragment : .0...... = Fragment if necessary. || | | | More fragments : ..0..... = This is the last fragment. || | | | Fragment Offset : 0 = 0 Bytes || | | | Time to Live : 253 |

| | | | Upper Layer Protocol : 132 = SCTP || | | | Header Checksum : 39449 || | | | Source IP Address : AC 13 05 0Ah = 172.19.5.10 / B || | | | Destination IP Address : AC 13 05 01h = 172.19.5.1 / B || | | | === Stream Control Transmission Protocol === || | | | SCTP Source Port : 2905 = M3UA_SIGTRAN || | | | SCTP Destination Port : 2908 = UNKNOWN || | | | Verification Tag : 941363867 || | | | Checksum : CE 3B FB D0h || | | | --- Payload Data --- || | | | Chunk Type : 0 = Payload || | | | Reserved : 00000... || | | | U Bit : .....0.. = Ordered DATA chunk || | | | B E Bits : ......11 = Unfragmented message || | | | Length : 56 || | | | TSN : 128994462 || | | | Stream Identifier : 10 || | | | Stream Sequence Number : 4008 || | | | Payload Protocol Identifier : 3 = M3UA || | | | === MTP 3 User Adaptation Layer === |

| | | | Version : 1 = Release 1.0 || | | | Reserved : 0 || | | | Message Class : 1 = Transfer Messages || | | | --- Transfer Messages --- || | | | Message Type : 01h = Payload Data(DATA) || | | | Length : 40 || | | | --- Payload data --- || | | | TAG Field : 528 = Protocol Data || | | | Length : 30 || | | | --- Origination Point Code --- || | | | mask : 0 = Last 0 bits of the PC are wildcarded || | | | Spare : 0 || | | | Originating Point Code : 8490 = RNCBL01 || | | | --- Destination Point Code --- || | | | mask : 0 = Last 0 bits of the PC are wildcarded || | | | Spare : 0 || | | | Destination Point Code : 8459 = SGSN || | | | Service Indicator : 3 = SCCP || | | | Network Indicator : 2 = National network || | | | Message Priority : 0 |

| | | | Signalling Link Selection : 4 || | | | --- Protocol Data --- || | | | === Signalling Connection Control Part === || | | | Message type : 06h = DT1 || | | | --- Data form 1 --- || | | | Destination Local Reference : 867593 || | | | --- Segmenting/reassembling --- || | | | More Data : .......0 = No more data || | | | Spare : 0000000. || | | | Pointer to Mandatory Parameters : 1 || | | | Length : 7 || | | | --- DATA Parameter --- || | | | === RANAP === || | | | --- Successful Outcome --- || | | | Procedure Code : 1 || | | | Criticality : reject || | | | Parameter Len : 3 || | | | --- Iu-Release Complete --- || | | | --- Protocol IEs --- || | | | LAST BYTES : 00 00 00h |

| | | | Padding Bytes : 0000h ||SGSN-RNCBL_00 |FORWARD | |=== Signalling Plane === || | | | === Internet Protocol === || | | | IP Version : 4 = IPv4, Internet Protocol || | | | Internet Header Length : 5 = 20 Bytes || | | | Precedence : 110..... = Internetwork control. || | | | Delay : ...0.... = Normal delay. || | | | Throughput : ....0... = Normal throughput. || | | | Reliability : .....0.. = Normal reliability. || | | | Monetary cost : ......0. = Normal monetary cost. || | | | Reserved : .......0 || | | | Total Length : 84 || | | | Identification : 6878 || | | | Reserved : 0....... || | | | Do not fragment : .0...... = Fragment if necessary. || | | | More fragments : ..0..... = This is the last fragment. || | | | Fragment Offset : 0 = 0 Bytes || | | | Time to Live : 254 || | | | Upper Layer Protocol : 132 = SCTP || | | | Header Checksum : 0 |

| | | | Source IP Address : AC 13 05 01h = 172.19.5.1 / B || | | | Destination IP Address : AC 13 05 0Ah = 172.19.5.10 / B || | | | === Stream Control Transmission Protocol === || | | | SCTP Source Port : 2908 = UNKNOWN || | | | SCTP Destination Port : 2905 = M3UA_SIGTRAN || | | | Verification Tag : 946910207 || | | | Checksum : 00 00 00 00h || | | | --- Payload Data --- || | | | Chunk Type : 0 = Payload || | | | Reserved : 00000... || | | | U Bit : .....0.. = Ordered DATA chunk || | | | B E Bits : ......11 = Unfragmented message || | | | Length : 52 || | | | TSN : 1080808103 || | | | Stream Identifier : 2 || | | | Stream Sequence Number : 4455 || | | | Payload Protocol Identifier : 3 = M3UA || | | | === MTP 3 User Adaptation Layer === || | | | Version : 1 = Release 1.0 || | | | Reserved : 0 |

| | | | Message Class : 1 = Transfer Messages || | | | --- Transfer Messages --- || | | | Message Type : 01h = Payload Data(DATA) || | | | Length : 36 || | | | --- Payload data --- || | | | TAG Field : 528 = Protocol Data || | | | Length : 25 || | | | --- Origination Point Code --- || | | | mask : 0 = Last 0 bits of the PC are wildcarded || | | | Spare : 0 || | | | Originating Point Code : 8459 = SGSN || | | | --- Destination Point Code --- || | | | mask : 0 = Last 0 bits of the PC are wildcarded || | | | Spare : 0 || | | | Destination Point Code : 8490 = RNCBL01 || | | | Service Indicator : 3 = SCCP || | | | Network Indicator : 2 = National network || | | | Message Priority : 0 || | | | Signalling Link Selection : 12 || | | | --- Protocol Data --- |

| | | | === Signalling Connection Control Part === || | | | Message type : 04h = RLSD || | | | --- Released --- || | | | Destination Local Reference : 5441794 || | | | Source Local Reference : 867593 || | | | Release Cause : 0 = End user originated || | | | Pointer to Optional Parameters : 0 || | | | Padding Bytes : 000000h ||SGSN-RNCBL_00 |BACKWARD | |=== Signalling Plane === || | | | === Internet Protocol === || | | | IP Version : 4 = IPv4, Internet Protocol || | | | Internet Header Length : 5 = 20 Bytes || | | | Precedence : 110..... = Internetwork control. || | | | Delay : ...0.... = Normal delay. || | | | Throughput : ....0... = Normal throughput. || | | | Reliability : .....0.. = Normal reliability. || | | | Monetary cost : ......0. = Normal monetary cost. || | | | Reserved : .......0 || | | | Total Length : 80 || | | | Identification : 49190 |

| | | | Reserved : 0....... || | | | Do not fragment : .0...... = Fragment if necessary. || | | | More fragments : ..0..... = This is the last fragment. || | | | Fragment Offset : 0 = 0 Bytes || | | | Time to Live : 253 || | | | Upper Layer Protocol : 132 = SCTP || | | | Header Checksum : 39441 || | | | Source IP Address : AC 13 05 0Ah = 172.19.5.10 / B || | | | Destination IP Address : AC 13 05 01h = 172.19.5.1 / B || | | | === Stream Control Transmission Protocol === || | | | SCTP Source Port : 2905 = M3UA_SIGTRAN || | | | SCTP Destination Port : 2908 = UNKNOWN || | | | Verification Tag : 941363867 || | | | Checksum : AD 66 58 C7h || | | | --- Payload Data --- || | | | Chunk Type : 0 = Payload || | | | Reserved : 00000... || | | | U Bit : .....0.. = Ordered DATA chunk || | | | B E Bits : ......11 = Unfragmented message || | | | Length : 48 |

| | | | TSN : 128994476 || | | | Stream Identifier : 10 || | | | Stream Sequence Number : 4009 || | | | Payload Protocol Identifier : 3 = M3UA || | | | === MTP 3 User Adaptation Layer === || | | | Version : 1 = Release 1.0 || | | | Reserved : 0 || | | | Message Class : 1 = Transfer Messages || | | | --- Transfer Messages --- || | | | Message Type : 01h = Payload Data(DATA) || | | | Length : 32 || | | | --- Payload data --- || | | | TAG Field : 528 = Protocol Data || | | | Length : 23 || | | | --- Origination Point Code --- || | | | mask : 0 = Last 0 bits of the PC are wildcarded || | | | Spare : 0 || | | | Originating Point Code : 8490 = RNCBL01 || | | | --- Destination Point Code --- || | | | mask : 0 = Last 0 bits of the PC are wildcarded |

| | | | Spare : 0 || | | | Destination Point Code : 8459 = SGSN || | | | Service Indicator : 3 = SCCP || | | | Network Indicator : 2 = National network || | | | Message Priority : 0 || | | | Signalling Link Selection : 4 || | | | --- Protocol Data --- || | | | === Signalling Connection Control Part === || | | | Message type : 05h = RLC || | | | --- Release complete --- || | | | Destination Local Reference : 867593 || | | | Source Local Reference : 5441794 || | | | Padding Bytes : 00h |+---------------+---------+---------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+