Signaling Connection Control PartSCCP Users MTP ...Speech MTP Data MTP Users HLRMSC/VLR UpdateHLR...
Transcript of Signaling Connection Control PartSCCP Users MTP ...Speech MTP Data MTP Users HLRMSC/VLR UpdateHLR...
SCCPSignaling Connection Control Part
UsersSCCPSignaling Connection Control Part
Connection OrientedConnection LessMTP
Connection LessSCCP
Connection Oriented
MSC/VLRBSCBSSAPBase Station
System Application PartConnection OrientedConnection Less
STPGTGlobal Title
SCCPMTPGT
MTPSCCPNSPNetwork Service Part
OSINSPNetwork LayerOSI
Non Circuit Related Signaling-Circuit Related Signaling
Speech
DataMTP
UsersMTP
HLRUpdateMSC/VLRHLR
SCCP
Circuit-RelatedNon-Circuit-Related
Signaling Connection
SCCPMTPC.OConnection
OrientedISUPISDN User PartC.O
MTPC.L
C.L (Connection Less)
C.O (Connection Oreiented)
C.O
Logical Connection
TimeSlot
SCCP User
SCCPC.RConnection Request
SCCPMTPSCCP
IndicationSCCP User
SCCP UserSCCP User
SCCP UserResponseSCCP
C.RMTPSCCP
ResponseSCCP
CCConnection ConfirmationSCCP User
CCCREEConnection Refused
O&MLeased Line
Service User
C.OC.L
Real TimeC.O
.
SCCPC.LC.O
Protocol Classes
SCCP
C.LC.O
Abbreviation
UnitdataUDT
Data Form
DT
Data Form
DT
Extended Unitdata XUDT
SCCP UserNSDUs
Network Service Data UnitsSCCPNSDUs
C.LUDT (Unit Data)XUDT (Extended Unit
Data)
Protocol Class (Basic C.L)
(NSDUs)SCCPSCCP
Protocol Class (Sequenced C.L)
NSDUs
Protocol Class (Basic C.O)
NSDUs
MTP
Protocol Class (Flow Contorol)
SCCP
Primitive
C.OResponse
RequestIndicationConfirmMTPSCCP
SCCPSCCP UserPrimitive
PrimitiveUserPrimitive
Layer Idenifier
Generic Name
ConnectUnit Data
Specific Name
ReponseRequestIndicationConfirm
Connect
ParameterSpecific NameGeneric NameLayer Identifier
Parameter
SCCPSCCP functional Structure
SCCP
SCCP Control Oriented Part (SCOP)
SCCP Connection Less Part (SCLP)
SCCP Management and Operation Part (SCMOP)
SCCP
SCLP
SCCP Connection Less Control (SCLC)
SCCP Connection Less Routing (SCLR)
SCLC
UDTXUDTSCLR
UserMTP
SCLRMTP
SCOP
SCCP Connection Oriented Control (SCOC)
SCCP Connection Oriented Routing (SCOR)
SCOC
SCOR
SCMOP
UpdateSCCPSCMOP
SCCP
SCCPSCCPSCCP
SCCP
C.L (Connection Less)
,
UDT (Unitdata)
,
XUDT (Extended Unitdata)
,
UDTS (Unitdata Service)
,
XUDTS (Extended Unitdata Service)
C.L (Connection Less)(SCCP User)
UDTXUDT
SCLC
UDTXUDT
C.o (Connection Oriented)
CR (Connection Request)
CC (Connection Confirm)
CREF (Connection Refused)
RLSD (Released)
RLC (Release Complete)
DT (Data Form )
ERR (Protocol Data Unit Error)
IT (Inactivity Test)
CRCCCREFDTI
IT
ERR
RLSDRLCRLSD
LRN (Local Refrence Number)
C.O
C.O
LRN
CRCC
ACOCB
ACRBACR
BCCBB
BCCRC
ABLRN
CCRCCBCBC
BCCC
BCCAAB
AB
CRCCLRNABBCA
BBCACC.O
LRN
AB B
CCC
BCB
BAA
BBAC
ABB
SCCP
SCCP
SLRSource Local NumberDLRDestination Local number
LRNLocal Reference Number
LRN
DLRSLR
Called party address
SPSCCPSCCP UserGT
(Global title)SPC (signaling point code)SSN (subsystem)
Calling party address
SPSCCPSCCP User
Called party addressCalling party addressGT (Global title)SPC (signaling
point code)SSN (subsystem number)
Data
DataSCCP
Realease
Segmentation
UDT
XUDT
Error
LRN
SCCP
SCCP
Routing table
MTPDPCOPCSLS
SCCPSCCP
Message type
Message type
Parameter
User Dataoptional
mandatory
LRNC.O
Called party address
SCCPUser DataSCCP User
SCCP
Protocol Class
SCCPC.LC.O
Pointer
PointerPointer
Pointer
Called Party Address
length of address (LA)address indicator (AI)
length of address (LA)Called Party
Address
Address Indicator (AI)
(Address indicator) AI
AddressAIAddressGTSPCSSN
Routing indicatorGTSPC
GTGTGT
SSN, SPC
Address
SSN (Subsystem Number)
SCCPISUPHLRMSC
SSN
SSN not known / not used
SCCP management
ISUP
OMAP
MAP
HLR
VLR
MSC, GMSC
EIR
AUC
SC
BSC (BSSAP), ANSI signaling
BSC (BSSAP),CCIT signaling
GT (Global Title)
GTSCCPSCCP
GTMTPDPC
GT
NP (Numbering plan)
Example Numbering PlanCode
MSISDN. GT addressISDN / Telephony Numbering Plan (E.
/
E. )
MSI, MGT (Location Updating).
ISDN / Mobile Numbering Plan (E. )
AI (Address Information)
NP (Numbering Plan)
AI
MSC/VLR
NA (Nature of address)
AI
NA (Nature of Address)Code
National
International
TT (Translation Type)
GTTT
GTGTTT
SPC (Signaling point code)
NodeSPCMTPDPC
OPC
SCCP
MTPMTPSIF(Signal Unit)
SISCCPMSU
SL (signaling link)Node
(Global Title Translation (GTT)) GT
GTSSGTT
GTTAddress field
ResultSCCP
SPC (Signaling Point Code)
GTTDPC
SSN (SubSystem Number)/SPC
GT (Global Title)
GTSCCPGTTTNANP
GTT
SSN
SCCPSSN
GTT
GT
GT Type
GT Type
GT Type
GT Type
GT supplements
NA (Nature of Address)
***TT (Translation Type)
* * NP (Numbering Plan)
SCCP
SCCP
CRMSCBSC
SCCPMTP
Message TypeCR
LRN
Protocol Class
Called party address
GT
SPC
BSSAP
Pointer
SCCP
SCCPSCCPCLCalling Party AddressCalled
Party AddressUDTXUDTCO
SCCP(CR)
Called Party AddressCalling Party
AddressCalled Party AddressLRN
C.O
SCCP UserN-CONNECT Request PrimitiveSCCP
SCCPCR
SCCPCRCCSCCP
LRN
SCCP User
DT
N-DISCONNECT Request PrimitiveSCCP UserSCCP
SCCPRLSD (Released)SCCP
SCCP
SCCPRLSDRLC (Released Complete)SCCP
Intermediate Node
SCCP UserSCCPSCCP SCCP SCCP User
N-Connect
CR CR Request
N-Connect
Indication
N-Connect
Response CC CC
N-Connect
Confirm
N-Data
DT DT DT Request
N-Data
Indication N-Discon
RLSDRLSDRequest
N-Discon
Indication RLC RLC
Destination node Originating node
CL
SCCP User
CRCCSCCP UserN-UNITDATA Request
PrimitiveSCCPSCCPCL
SCCPUDT (UnitData)
SCCPN-UNITDATA Indication PrimitiveSCCP User
Intermediate Node
SCCP UserSCCPSCCP SCCP SCCP User
N-Unit Data
UDT UDT Request
N-Unit Data calling/called
Indication address
N-Unit Data
Request
UDT UDT
calling/calledN-Unit Data
party address Indication
Destination nodeOriginating node
www.protocols.com
www.squire-technologies.co.uk/SCCP
www.techfest.com/networking/wan/ss .htm
www.openss .org/sccp.html
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