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back to TS 23.002

Table of Contents for  TS 23.002  Word version:  19.0.0

0Introduction  p. 12
1Scope  p. 13
2References  p. 13
3Definitions and abbreviations  p. 19
3.1Public Land Mobile Network (PLMN)  p. 19
3.2Core Network (CN) and Access Network (AN)  p. 19
3.3Circuit Switched (CS) and Packet Switched (PS) Domains  p. 19
3.3.1CS Domain  p. 20
3.3.2PS Domain  p. 20
3.3aIP Multimedia subsystem (IMS) |R5|  p. 20
3.4Location register  p. 20
3.5Cell  p. 21
3.6Base Station Controller (BSC) area  p. 21
3.7Radio Network Controller (RNC) area  p. 21
3.8Location Area (LA)  p. 21
3.9Routing Area (RA)  p. 21
3.9aTracking Area (TA) |R8|  p. 21
3.10MSC area  p. 21
3.11VLR area  p. 21
3.12SGSN area  p. 22
3.13Zones for Regional Subscription  p. 22
3.14Service area  p. 22
3.15Group call area  p. 22
3.15aMME Area |R8|  p. 22
3.16Pool-area |R5|  p. 22
3.17Serving GW Service Area |R8|  p. 22
4The basic entities of the mobile system  p. 23
4.1The Core Network (CN) entities  p. 23
4.1.1Entities common to the PS and CS domains  p. 23
4.1.1.1The Home Subscriber Server (HSS)  p. 23
4.1.1.1.1The Home Location Register (HLR) |R5|  p. 24
4.1.1.1.2The Authentication Centre (AuC) |R5|  p. 24
4.1.1.1.3HSS logical functions |R5|  p. 25
4.1.1.2The Visitor Location Register (VLR)  p. 26
4.1.1.3Void  p. …
4.1.1.4The Equipment Identity Register (EIR)  p. 27
4.1.1.5SMS Gateway MSC (SMS-GMSC)  p. 27
4.1.1.6SMS Interworking MSC (SMS-IWMSC)  p. 27
4.1.1.7Subscription Locator Function (SLF) |R6|  p. 27
4.1.2Entities of the CS domain  p. 28
4.1.2.1The Mobile-services Switching Centre (MSC)  p. 28
4.1.2.1.1MSC Server |R4|  p. 28
4.1.2.1.2Circuit Switched - Media Gateway Function (CS-MGW) |R4|  p. 29
4.1.2.2The Gateway MSC (GMSC)  p. 29
4.1.2.2.1Gateway MSC Server (GMSC Server) |R4|  p. 29
4.1.2.3The Interworking Function (IWF)  p. 29
4.1.3Entities of the GPRS PS domain  p. 30
4.1.3.1Serving GPRS Support Node (SGSN)  p. 30
4.1.3.2Gateway GPRS Support Node (GGSN)  p. 30
4.1.3.3Void  p. …
4.1.4Entities of the EPC PS Domain |R8|  p. 31
4.1.4.1MME  p. 31
4.1.4.2Gateways  p. 32
4.1.4.2.1Serving GW  p. 32
4.1.4.2.2PDN GW  p. 32
4.1.4.2.3Local GW (L-GW) |R12|  p. 33
4.1.4.3SGSN  p. 33
4.1.4.4Trusted and Untrusted Non-3GPP Access Network  p. 33
4.1.4.5ePDG  p. 34
4.1.4.63GPP AAA Server  p. 34
4.1.4.73GPP AAA Proxy  p. 34
4.1.4.8ANDSF  p. 34
4.1.5Border Gateway (BG)] |R8|  p. 35
4.2The Access Network (AN) entities  p. 35
4.2.1The Base Station System (BSS)  p. 35
4.2.1.1Base Station Controller (BSC)  p. 35
4.2.1.2Base Transceiver Station (BTS)  p. 36
4.2.2The Radio Network System (RNS)  p. 36
4.2.2.1Radio Network Controller (RNC)  p. 36
4.2.2.2Node B  p. 36
4.2.3Access Network elements for E-UTRAN |R8|  p. 36
4.2.3.1E-UTRAN Node B (eNodeB)  p. 36
4.2.3.2Evolved UTRAN  p. 36
4.3The Mobile Station (MS)  p. 36
4.4User Equipment (UE) |R8|  p. 37
4aThe specific entities of the 3GPP system  p. 37
4a.1The Group Call Register (GCR) entity  p. 37
4a.2Void  p. …
4a.3The Location Services (LCS) entities  p. 38
4a.3.1Location Services (LCS) entities in RAN  p. 38
4a.3.2Gateway Mobile Location Centre (GMLC)  p. 39
4a.3.3Location Measurement Unit (LMU)  p. 39
4a.3.4Evolved Serving Mobile Location Centre (E-SMLC) |R9|  p. 39
4a.4CAMEL entities  p. 40
4a.4.1GSM Service Control Function (gsmSCF)  p. 40
4a.4.2GSM Service Switching Function (gsmSSF)  p. 40
4a.4.3GSM Specialised Resource Function (gsmSRF)  p. 40
4a.4.4GPRS Service Switching Function (gprsSSF)  p. 40
4a.5CBS-specific entities  p. 40
4a.5.1Cell Broadcast Centre (CBC)  p. 40
4a.6Number Portability Specific entities  p. 40
4a.6.1IN-based solution: Number Portability Database (NPDB)  p. 40
4a.6.2Signalling Relay-based solution: Mobile Number Portability/Signalling Relay function (MNP-SRF)  p. 41
4a.7IP Multimedia (IM) Core Network (CN) Subsystem entities |R5|  p. 41
4a.7.1Call Session Control Function (CSCF)  p. 41
4a.7.2Media Gateway Control Function (MGCF)  p. 41
4a.7.3IP Multimedia Subsystem - Media Gateway Function (IMS-MGW)  p. 41
4a.7.4Multimedia Resource Function Controller (MRFC)  p. 42
4a.7.4aMultimedia Resource Function Processor (MRFP)  p. 42
4a.7.4bMedia Resource Broker (MRB) |R8|  p. 42
4a.7.5Void  p. …
4a.7.6Breakout Gateway Control Function (BGCF)  p. 42
4a.7.7Application Server (AS)  p. 43
4a.7.8Interconnection Border Control Function (IBCF) |R6|  p. 43
4a.7.9Transition Gateway (TrGW) |R6|  p. 43
4a.7.10Location Retrieval Function (LRF) |R7|  p. 43
4a.7.11Service Centralization and Continuity Application Server (SCC AS) |R8|  p. 44
4a.7.11aEmergency Access Transfer Function (EATF) |R9|  p. 44
4a.7.12Access Transfer Control Function (ATCF) |R10|  p. 44
4a.7.13Access Transfer Gateway (ATGW) |R11|  p. 44
4a.8Signalling Gateway Function (SGW) |R4|  p. 44
4a.9Global Text Telephony Specific entities |R5|  p. 44
4a.10Security Gateway (SEG) |R5|  p. 44
4a.11Application Function (AF) |R6|  p. 45
4a.12Void  p. …
4a.133GPP/WLAN Interworking entities |R6|  p. 45
4a.13.1WLAN UE  p. 45
4a.13.23GPP AAA Proxy  p. 45
4a.13.33GPP AAA Server  p. 45
4a.13.4WLAN Access Gateway (WAG)  p. 45
4a.13.5Packet Data Gateway (PDG)  p. 45
4a.13.6Home Agent (HA) |R8|  p. 45
4a.14Multimedia Broadcast Multicast Service (MBMS) specific entities |R6|  p. 45
4a.14.1General  p. 45
4a.14.2Broadcast-Multicast Service Centre (BM-SC)  p. 46
4a.14.3MBMS-GW |R10|  p. 46
4a.14.4Multi-cell/multicast Coordination Entity (MCE) |R10|  p. 46
4a.15Void  p. …
4a.16GUP Server |R6|  p. 46
4a.17Policy and Charging Rules Function (PCRF) |R7|  p. 46
4a.18Policy and Charging Enforcement Function (PCEF) |R7|  p. 47
4a.19Support of Short Message Service over generic 3GPP Internet Protocol access (SMSIP) specific entities |R7|  p. 47
4a.19.1General  p. 47
4a.19.2IP-Short-Message-Gateway (IP-SM-GW)  p. 47
4a.20Subscription Profile Repository (SPR) |R8|  p. 47
4a.21Service Data Flow Based Credit Control Function |R8|  p. 47
4a.22Offline Charging System (OFCS) |R8|  p. 47
4a.23Online Charging System (OCS) |R8|  p. 47
4a.24Bearer Binding and Event Reporting Function (BBERF) |R8|  p. 47
4a.25Home (e)NodeB entities |R9|  p. 48
4a.25.1Home NodeB Subsystem (HNS)  p. 48
4a.25.2Home eNodeB Subsystem (HeNS)  p. 48
4a.25.3CSG List Server  p. 48
4a.25.4CSG Subscriber Server (CSS) |R11|  p. 48
4a.26Application Front Ends (AFE) |R9|  p. 49
4a.27User Data Repository (UDR) |R9|  p. 49
4a.28Traffic Detection Function (TDF) |R11|  p. 49
4a.29Specific entities to facilitate communications with packet data networks and applications |R11|  p. 49
4a.29.1Machine Type Communication-InterWorking Function (MTC-IWF)  p. 49
4a.29.2Machine Type Communication- Authentication, Authorization and Accounting (MTC-AAA)  p. 49
4a.29.3Service Capability Exposure Function (SCEF) |R13|  p. 50
4a.30TCP Proxy Function |R12|  p. 50
4a.31Specific entities for Packet Switched Streaming (PSS) Service |R12|  p. 50
4a.31.1Packet Switched Streaming Service Server (PSS Server)  p. 50
4a.32Specific entities for Group Communication System Enablers for LTE (GCSE_LTE) |R12|  p. 50
4a.32.1Group Communication Service Application Server (GCS AS)  p. 50
4a.33Specific entities for Proximity-based Services (ProSe) |R12|  p. 50
4a.33.1ProSe Function  p. 50
4a.34RAN Congestion Awareness Function (RCAF) |R13|  p. 51
4a.35Traffic Steering Support Function (TSSF) |R13|  p. 51
4a.36Specific entities for mission critical communication services |R13|  p. 51
4a.36.1Mission Critical Push To Talk Application Server (MCPTT AS)  p. 51
4a.37Packet Flow Description Function (PFDF) |R14|  p. 51
4a.385G System architecture |R15|  p. 51
5Configuration of a Public Land Mobile Network  p. 51
5.1Basic configuration  p. 51
5.2Configuration of LCS entities  p. 56
5.2.1Configuration of LCS entities for GERAN  p. 56
5.2.2Configuration of LCS entities for UTRAN  p. 57
5.2.3Configuration of LCS entities for E-UTRAN |R9|  p. 57
5.3Configuration of CAMEL entities  p. 58
5.4Configuration of CBS entities  p. 59
5.5Configuration of IM CN Subsystem entities |R5|  p. 59
5.5.1IM CN Subsystem functional entities |R8|  p. 59
5.5.2IM CN Subsystem Service layer |R8|  p. 60
5.5.3Service Centralization and Continuity |R8|  p. 62
5.5.4WebRTC access to IMS |R12|  p. 63
5.6Configuration of Signalling Gateway Function |R4|  p. 64
5.7Configuration of 3GPP/WLAN Interworking |R6|  p. 64
5.8Configuration of Presence service |R6|  p. 65
5.9Configuration of MBMS entities |R6|  p. 65
5.10Configuration of Short Message Service over generic 3GPP Internet Protocol access (SMSIP) entities |R7|  p. 67
5.11Configuration of Policy Control and Charging entities |R8|  p. 67
5.12Configuration of CSFB(CS Fallback) |R8|  p. 70
5.13Configuration of Single Radio Voice Call Continuity (SRVCC) |R8|  p. 71
5.13.1E-UTRAN/UTRAN (HSPA) to UTRAN or GERAN SRVCC architecture |R11|  p. 71
5.13.2UTRAN/GERAN to E-UTRAN or UTRAN (HSPA) SRVCC architecture |R11|  p. 72
5.14Configuration of Security |R8|  p. 74
5.15Configuration of Lawful Intercept related entities |R8|  p. 74
5.16Configuration of Charging related entities |R8|  p. 75
5.17Configuration of Home (e)NodeB entities |R9|  p. 76
5.17.1Configuration of the Home NodeB Subsystem  p. 76
5.17.2Configuration of the Home eNodeB Subsystem  p. 77
5.18Configuration for facilitating communications with packet data networks and applications |R11|  p. 78
5.19Configuration of Packet Switched Streaming (PSS) Service |R12|  p. 78
5.20Configuration of Proximity-based Services |R12|  p. 79
5.21Configuration for RAN user plane congestion detection and reporting |R13|  p. 79
6PLMN basic interfaces and reference points  p. 80
6.1Interfaces between Mobile Station and the Fixed Infrastructure  p. 80
6.1.1Interface between Mobile Station and Base Station System (Um-interface)  p. 80
6.1.2Interface between User Equipment and Radio Network System (Uu-interface)  p. 80
6.1.3Interface between User Equipment and Evolved UTRAN (E-UTRAN Uu-interface) |R8|  p. 80
6.2Interface between the Core Network and the Access Network  p. 80
6.2.1Interfaces between the CS domain and the Access Network  p. 80
6.2.1.1Interface between the MSC and Base Station System (A-interface)  p. 80
6.2.1.2Interface between the MSC and Base Station System (Iu_CS interface)  p. 81
6.2.1.3Interface between the MSC and RNS (Iu_CS interface) |R5|  p. 81
6.2.2Interfaces between the PS domain and the Access Network  p. 81
6.2.2.1Interface between SGSN and BSS (Gb-interface)  p. 81
6.2.2.2Interface between SGSN and BSS (Iu_PS-interface)  p. 81
6.2.2.3Interface between SGSN and RNS (Iu_PS-interface) |R5|  p. 81
6.2.3Interfaces between the Evolved Packet Core and the Access Network |R8|  p. 82
6.2.3.1Interface between MME and E-UTRAN (S1-MME-interface)  p. 82
6.2.3.2Interface between S-GW and E-UTRAN (S1-U-interface)  p. 82
6.3Interfaces internal to the Access Network  p. 82
6.3.1Interface between BSC and BTS (Abis-interface)  p. 82
6.3.2Interface between RNC and Node B (Iub-interface)  p. 82
6.3.3Interface between two RNCs (Iur-interface)  p. 82
6.3.4Interface between two eNBs (X2-interface) |R8|  p. 82
6.3.5Interface between HNB and HNB-GW(Iuh-interface) |R9|  p. 82
6.4Interfaces internal to the Core Network  p. 82
6.4.1Interfaces internal to the CS domain  p. 82
6.4.1.1Interface between the MSC server and its associated VLR (B-interface)  p. 82
6.4.1.2Interface between the HLR and the MSC server (C-interface)  p. 83
6.4.1.3Interface between the HLR and the VLR (D-interface)  p. 83
6.4.1.4Interface between MSC servers or MSC server and IP-SM-GW (E-interface)  p. 83
6.4.1.5Interface between MSC server and EIR (F-interface)  p. 83
6.4.1.6Interface between VLRs (G-interface)  p. 84
6.4.1.7Reference point (G)MSC server - CS-MGW (Mc Reference Point) |R4|  p. 84
6.4.1.8Reference Point MSC Server - GMSC Server (Nc Reference Point) |R4|  p. 84
6.4.1.9Reference Point CS-MGW - CS-MGW (Nb Reference Point) |R4|  p. 84
6.4.1.10Reference Point between the CSS and the VLR (Hv Reference Point) |R11|  p. 84
6.4.2Interfaces internal to the PS domain (GPRS)  p. 84
6.4.2.1Interface between SGSN and HLR (Gr-interface)  p. 84
6.4.2.2Interface between SGSN and GGSN (Gn- and Gp-interface)  p. 85
6.4.2.3Signalling Path between GGSN and HLR (Gc-interface)  p. 85
6.4.2.4Interface between SGSN and EIR (Gf-interface)  p. 85
6.4.2.5Reference Point between the CSS and the Gn/Gp SGSN (Ghv Reference Point) |R11|  p. 85
6.4.3Interfaces used by CS and PS domains  p. 85
6.4.3.1Interface between MSC/VLR and SGSN (Gs-interface) for GPRS  p. 85
6.4.3.2Interface between HLR/HSS and AuC (H-Interface)  p. 85
6.4.3.3Interface between SGSN/IP-SM-GW and SMS-GMSC/SMS-IWMSC (Gd/Gdd-Interface) for GPRS |R6|  p. 86
6.4.3.4Interface between MSC/VLR and MME (SGs-interface) for EPC |R8|  p. 86
6.4.3.5Interface between 3GPP MSC Server and MME or SGSN (Sv-interface) |R8|  p. 86
6.4.4Interfaces internal & related to the Evolved Packet Core |R8|  p. 86
6.4.4.1Interface between MME and HSS (S6a-interface)  p. 86
6.4.4.2Interface between SGSN and HSS (S6d-interface)  p. 86
6.4.4.3Interface between MME and S-GW (S11-interface)  p. 86
6.4.4.4Interface between MME and MME (S10-interface)  p. 87
6.4.4.5Interface between S-GW and PDN GW (S5 and S8-interface)  p. 87
6.4.4.6Interface between MME and EIR (S13-interface)  p. 87
6.4.4.7Interface between MME and SGSN (S3-interface)  p. 87
6.4.4.8Interface between S-GW and SGSN (S4-interface)  p. 87
6.4.4.9Interface between S-GW and UTRAN (S12-interface)  p. 87
6.4.4.10Interface between Trusted non-3GPP IP Access and S-GW/PDN GW (S2a-interface)  p. 87
6.4.4.11Interface between PDN GW/S-GW and ePDG (S2b-interface)  p. 87
6.4.4.12Interface between PDN GW and UE (S2c-interface)  p. 87
6.4.4.13Interface between PDN GW and 3GPP AAA Server/proxy (S6b-interface)  p. 87
6.4.4.14Interface between Untrusted non-3GPP IP Access and 3GPP AAA Server/proxy (SWa-interface)  p. 88
6.4.4.15Interface between Trusted non-3GPP IP Access and 3GPP AAA Server/proxy (STa-interface)  p. 88
6.4.4.16Interface between 3GPP AAA Server and 3GPP AAA proxy (SWd-interface)  p. 88
6.4.4.17Interface between ePDG and 3GPP AAA Server/proxy (SWm-interface)  p. 88
6.4.4.18Interface between ePDG and Untrusted non-3GPP Access (SWn-interface)  p. 88
6.4.4.19Interface between ePDG and UE (SWu-interface)  p. 88
6.4.4.20Interface between HSS and 3GPP AAA Server (SWx-interface)  p. 88
6.4.4.21Interface between UE and ANDSF (S14-interface)  p. 88
6.4.4.22Reference point between HRDP AN and MME (S101-reference point)  p. 88
6.4.4.23Reference point between 3GPP2 1xCS IWS and MME (S102-reference point)  p. 89
6.4.4.24Interface between HSGW and S-GW (S103-interface)  p. 89
6.4.4.25Reference point between UE and CSG List Server (Uh reference point) |R9|  p. 89
6.4.4.26Reference Point between the CSS and the S4-SGSN (S7d Reference Point) |R11|  p. 89
6.4.4.27Reference point between the CSS and the MME (S7a reference point) |R11|  p. 89
6.4.4.28Reference point between the MME and the SMS-GMSC/SMS-IWMSC/SMS Router (SGd reference point) |R11|  p. 89
6.4.4.29Reference point between the HSS and the SMS-GMSC/SMS-IWMSC/SMS Router (S6c reference point) |R11|  p. 89
6.4.4.30Reference point between HRPD AN and MME (S121-interface) |R12|  p. 89
6aPLMN specific interfaces  p. 90
6a.1GCR-specific interface  p. 90
6a.1.1Interface between the MSC and its associated GCR (I-interface)  p. 90
6a.2Void  p. …
6a.3LCS-specific interfaces  p. 90
6a.3.1LCS interfaces using MAP  p. 90
6a.3.2Void  p. …
6a.3.3Void  p. …
6a.3.4Void  p. …
6a.3.5Interface between BSC and SMLC (Lb-interface) |R4|  p. 90
6a.3.6Interface between Peer SMLCs (Lp-interface)  p. 90
6a.3.7Interface between BTS and LMU (Um-interface)  p. 91
6a.3.8Interface between GMLC and External LCS Client (Le-interface) |R4|  p. 91
6a.3.9Interface between RNS and Stand-Alone LMU, UE (Uu-interface) |R5|  p. 91
6a.3.10Interface between SRNC and SAS (Stand-Alone SMLC) (Iupc-interface) |R5|  p. 91
6a.3.11Interface between GMLC and GMLC (Lr-interface) |R6|  p. 91
6a.3.12Interface between GMLC and MME (SLg-interface) |R9|  p. 91
6a.3.13Interface between MME and E-SMLC (SLs-interface) |R9|  p. 91
6a.3.14Interface between GMLC and HSS (SLh-interface) |R9|  p. 91
6a.3.15Interface between GMLC and SGSN (Lgd-interface) |R12|  p. 91
6a.4CAMEL-specific interfaces  p. 92
6a.4.1GMSC - gsmSSF interface  p. 92
6a.4.2gsmSSF - gsmSCF interface  p. 92
6a.4.3MSC - gsmSSF interface  p. 92
6a.4.4gsmSCF - HLR interface  p. 92
6a.4.5gsmSCF - gsmSRF interface  p. 92
6a.4.6MSC - gsmSCF interface  p. 92
6a.4.7SGSN - gprsSSF interface  p. 92
6a.4.8gprsSSF - gsmSCF interface (Ge Reference Point)  p. 92
6a.5CBS-specific interfaces  p. 92
6a.5.1Interface between the CBC and RNS (Iu_BC Interface)  p. 92
6a.5.2Interface between the CBC and MME (SBc Interface) |R8|  p. 93
6a.5.3Interface between the CBC and BSC |R9|  p. 93
6a.6Number portability specific interfaces  p. 93
6a.6.1IN-based solution  p. 93
6a.6.1.1NPDB to MSC interface  p. 93
6a.6.2Signalling Relay-based solution  p. 93
6a.6.2.1GMSC to MNP-SRF interface  p. 93
6a.6.2.2MNP-SRF to HLR interface  p. 93
6a.7IM Subsystem Reference Points |R5|  p. 93
6a.7.1Reference Point HSS - CSCF (Cx Reference Point)  p. 93
6a.7.2Reference Point CSCF - UE (Gm Reference Point)  p. 94
6a.7.3Reference Point MGCF - IMS-MGW (Mn Reference Point)  p. 94
6a.7.4Reference Point MGCF - CSCF (Mg Reference Point)  p. 94
6a.7.5Void  p. …
6a.7.5aReference Point AS-MRFC for media control (Cr Reference Point) |R8|  p. 94
6a.7.5bReference Point AS-MRFC for session control (Mr' Reference Point) |R9|  p. 94
6a.7.6Reference Point CSCF - MRFC (Mr Reference Point)  p. 95
6a.7.6aReference Point MRFC - MRFP (Mp Reference Point)  p. 95
6a.7.7Reference Point CSCF - CSCF (Mw Reference Point)  p. 95
6a.7.8Void  p. …
6a.7.8aReference Point CSCF - MRB (ISC Reference Point) |R8|  p. 95
6a.7.9Void  p. …
6a.7.9aReference Point AS - MRB (Rc Reference Point) |R8|  p. 95
6a.7.10Reference Point CSCF - BGCF (Mi reference point)  p. 95
6a.7.11Reference Point BGCF - MGCF (Mj reference point)  p. 95
6a.7.12Reference Point BGCF/IBCF - BGCF (Mk reference point)  p. 96
6a.7.13Reference Point CSCF- SLF (Dx Reference Point)  p. 96
6a.7.14Reference Point to IMS media plane (Mb reference point)  p. 96
6a.7.15Reference Point S-CSCF - AS (ISC Reference Point)  p. 96
6a.7.15aReference Point E-CSCF - EATF (I4 Reference Point) |R9|  p. 96
6a.7.15bReference Point I-CSCF - EATF (I5 Reference Point) |R9|  p. 96
6a.7.16Reference Point HSS - SIP AS or OSA SCS (Sh Reference Point)  p. 96
6a.7.17Reference Point HSS - CAMEL IM-SSF (Si Reference Point)  p. 96
6a.7.18Reference Point UE - AS (Ut Reference Point) |R6|  p. 96
6a.7.19Reference Point AS- SLF (Dh Reference Point) |R6|  p. 97
6a.7.20Reference Point CSCF/BGCF - IBCF (Mx Reference Point) |R6|  p. 97
6a.7.21Reference Point IBCF - TrGW (Ix Reference Point) |R6|  p. 97
6a.7.22Reference Point I-CSCF - AS (Ma Reference Point) |R6|  p. 97
6a.7.23Reference Point P-CSCF - IMS Access Gateway (Iq Reference Point) |R7|  p. 97
6a.7.23aReference Point E-CSCF - LRF (Ml Reference Point) |R7|  p. 97
6a.7.24Reference Point IBCF - IBCF (Ici Reference Point) |R8|  p. 97
6a.7.25Reference Point TrGW - TrGW (Izi Reference Point) |R8|  p. 97
6a.7.26Void  p. …
6a.7.27Reference Point MSC Server - CSCF (I2 Reference Point) |R8|  p. 98
6a.7.28Reference Point MSC Server - TAS (I3 Reference Point) |R8|  p. 98
6a.7.29Reference Point ICS UE - SCC AS (I1 Reference Point) |R9|  p. 98
6a.7.30Reference Point IBCF - Application Server (AS) (Ms Reference Point) |R15|  p. 98
6a.8Void  p. …
6a.9Reference Points for 3GPP/WLAN Interworking |R6|  p. 98
6a.9.1Reference point 3GPP AAA Server - HLR (D'/Gr' Reference Point)  p. 98
6a.9.2Reference point WLAN access network - 3GPP AAA Proxy/Server (Wa Reference Point)  p. 99
6a.9.3Reference point 3GPP AAA Server - 3GPP AAA Proxy (Wd Reference Point)  p. 99
6a.9.4Reference point 3GPP AAA Server/Proxy - WAG (Wg Reference Point)  p. 99
6a.9.5Reference point PDG - packet data networks (Wi Reference Point)  p. 99
6a.9.6Reference Point 3GPP AAA Server/Proxy - PDG (Wm Reference Point)  p. 99
6a.9.7Reference Point WAG - WLAN access network (Wn Reference Point)  p. 99
6a.9.8Reference Point WAG - PDG (Wp Reference Point)  p. 99
6a.9.9Reference point WLAN UE - PDG (Wu Reference Point)  p. 99
6a.9.10Reference point WLAN UE - WLAN access network (Ww Reference Point)  p. 100
6a.9.11Reference point 3GPP AAA Server - HSS (Wx Reference Point)  p. 100
6a.9.12Reference point 3GPP AAA Server - SLF (Dw reference point)  p. 100
6a.10MBMS specific reference points for GPRS |R6|  p. 100
6a.10.1Reference point GGSN - BM-SC (Gmb Reference Point)  p. 100
6a.10.2Reference point BM-SC - BM-SC (Mz Reference Point) |R10|  p. 100
6a.10.3Reference point GGSN - RNS (or BSS Iu mode) (Gmc Reference Point) |R10|  p. 100
6a.11MBMS specific reference points for EPS |R10|  p. 101
6a.11.1Reference point MBMS-GW - BM-SC (SGmb Reference Point)  p. 101
6a.11.2Reference point MBMS-GW - BM-SC (SGi-mb Reference Point)  p. 101
6a.11.3Reference point MBMS-GW - MME (Sm Reference Point)  p. 101
6a.11.4Reference point MBMS-GW - SGSN (Sn Reference Point)  p. 101
6a.11.5Reference point MBMS-GW - E-UTRAN/UTRAN (M1 Reference Point)  p. 101
6a.11.6Reference point MME - MCE (M3 Reference Point)  p. 101
6a.11.7Reference point MCE - eNodeB (M2 Reference Point)  p. 101
6a.11.8Reference point Content Provider/SCEF - BM-SC (xMB Reference Point) |R14|  p. 101
6a.12Reference Points for 3GPP Generic User Profile (GUP) |R6|  p. 101
6a.12.1Reference Point GUP Server - Applications (Rg Reference Point)  p. 101
6a.12.2Reference Point GUP Server - HSS and Applications - HSS (Rp Reference Point)  p. 102
6a.13Reference Points for Policy and Charging Control |R7|  p. 102
6a.13.1Reference Point PCEF - PCRF/H-PCRF/V-PCRF (Gx Reference Point)  p. 102
6a.13.2Reference Point PCRF - Application Function (Rx Reference Point)  p. 102
6a.13.3Reference Point SPR - PCRF (Sp Reference Point) |R8|  p. 102
6a.13.4Reference Point OCS - PCEF (Gy Reference Point) |R8|  p. 102
6a.13.5Reference Point OFCS - PCEF (Gz Reference Point) |R8|  p. 102
6a.13.6Reference Point Trusted non-3GPP IP Access and PCRF/VPCRF (Gxa Reference Point) |R8|  p. 102
6a.13.7Reference Point ePDG and PCRF/VPCRF (Gxb Reference Point) |R8|  p. 102
6a.13.7aReference Point ePDG and PCRF/VPCRF (Gxb* Reference Point) |R11|  p. 103
6a.13.8Reference point between S-GW and PCRF/VPCRF (Gxc-interface) |R8|  p. 103
6a.13.9Reference Point PCRF/VPCRF - BBERF (Gxx Reference Point) |R8|  p. 103
6a.13.10Reference Point HPCRF - VPCRF (S9- interface) |R8|  p. 103
6a.13.11Reference Point UDR - PCRF (Ud Reference Point) |R10|  p. 103
6a.13.12Reference Point TDF - PCRF/H-PCRF/V-PCRF (Sd Reference Point) |R11|  p. 103
6a.13.13Reference Point OCS - PCRF/H-PCRF (Sy Reference Point) |R11|  p. 103
6a.13.14Reference Point HNB GW - PCRF/V-PCRF (S15 Reference Point) |R11|  p. 103
6a.13.15Reference Point BPCF - PCRF/v-PCRF (S9a Reference Point) |R11|  p. 103
6a.13.16Reference Point OCS - TDF (Gyn Reference Point) |R12|  p. 104
6a.13.17Reference Point OFCS - TDF (Gzn Reference Point) |R12|  p. 104
6a.13.18Void  p. …
6a.13.19Reference Point TSSF - PCRF/H-PCRF (St Reference Point) |R13|  p. 104
6a.13.20Reference point between PFDF and PCEF (Gw reference point) |R14|  p. 104
6a.13.21Reference point between PFDF and TDF (Gwn reference point) |R14|  p. 104
6a.14SMSIP specific reference points |R7|  p. 104
6a.14.1Reference point IP-SM-GW - HSS (J Reference Point)  p. 104
6a.15User Data Convergence specific reference points |R9|  p. 104
6a.15.1Reference point Application Front Ends - UDR (Ud Reference Point)  p. 104
6a.16Specific reference points for facilitating communications with packet data networks and applications |R11|  p. 104
6a.16.1Reference point MTC-IWF - SCS (Tsp reference point)  p. 104
6a.16.2Reference point MTC-IWF - HSS/HLR (S6m reference point)  p. 105
6a.16.3Reference point MTC-AAA - HSS/HLR (S6n reference point)  p. 105
6a.16.4Reference point MTC-IWF - SMS-SC (T4 reference point)  p. 105
6a.16.5Reference point between the HSS and the SCEF (S6t reference point) |R13|  p. 105
6a.16.6Reference point between the MME and the SCEF (T6a reference point) |R13|  p. 105
6a.16.7Reference point between the SGSN and the SCEF (T6b reference point) |R13|  p. 105
6a.16.8Reference point between the RCAF and the SCEF (Ns reference point) |R13|  p. 105
6a.16.9Reference point between the PCRF and the SCEF (Nt reference point) |R13|  p. 106
6a.16.10Reference point between the PFDF and the SCEF (Nu reference point) |R14|  p. 106
6a.17GCSE_LTE specific reference points |R12|  p. 106
6a.17.1Reference point GCS AS - BM-SC (MB2 Reference Point)  p. 106
6a.17.2Reference point GCS AS - UE (GC1 Reference Point)  p. 106
6a.18ProSe specific reference points |R12|  p. 106
6a.18.1Reference point UE - ProSe Application Server (PC1 Reference Point)  p. 106
6a.18.2Reference point ProSe Function - ProSe Application Server (PC2 Reference Point)  p. 106
6a.18.3Reference point UE - ProSe Function (PC3 Reference Point)  p. 106
6a.18.4Reference point HSS - ProSe Function (PC4a Reference Point)  p. 107
6a.18.5Reference point SLP - ProSe Function (PC4b Reference Point)  p. 107
6a.18.6Reference point UE - UE (PC5 Reference Point)  p. 107
6a.18.7Reference point ProSe Function - ProSe Function in different PLMNs (PC6 Reference Point)  p. 107
6a.18.8Reference point ProSe Function in HPLMN - ProSe Function in VPLMN (PC7 Reference Point)  p. 107
6a.19Reference points for RAN user plane congestion detection and reporting |R13|  p. 107
6a.19.1Reference Point RCAF - PCRF/ V-PCRF (Np Reference Point)  p. 107
6a.19.2Reference point between MME and RCAF (Nq reference point)  p. 107
6a.19.3Reference point between SGSN and RCAF (Nq' reference point)  p. 107
7Reference points between the PLMN and other networks  p. 108
7.1Reference point fixed networks - MSC  p. 108
7.2Reference point GGSN - packet data networks (Gi reference point)  p. 108
7.2aReference point PDN GW - packet data networks (SGi reference point) |R8|  p. 108
7.3Reference point GMLC - external LCS Client (Le reference point)  p. 108
7.4Reference Point CSCF/IBCF - Multimedia IP networks (Mm Reference Point) |R5|  p. 108
7.5Void  p. …
7.6Reference point PDG - packet data networks (Wi reference point) |R6|  p. 108
7.7Reference Point WAG - WLAN access network (Wn reference point) |R6|  p. 109
7.8Reference point MTC-IWF - SCS (Tsp reference point) |R11|  p. 109
ADescription for GLR-related entities and interfaces  p. 110
A.1Normative references  p. 110
A.2Definitions related to Gateway Location Register (GLR)  p. 110
A.2.1Gateway Location Register (GLR)  p. 110
A.2.2Intermediate Mobile-services Switching Centre (IM-MSC)  p. 110
A.2.3Intermediate GPRS Serving Node (IM-GSN)  p. 110
A.3The entities of the mobile system  p. 110
A.3.1Gateway Location Register (GLR)  p. 110
A.3.2Intermediate Mobile-services Switching Centre (IM-MSC)  p. 111
A.3.3Intermediate GPRS Serving Node (IM-GSN)  p. 111
A.4Configuration of a Public Land Mobile Network  p. 111
A.4.1Basic configuration with GLR introduction  p. 111
A.5PLMN interfaces  p. 112
A.5.1Interface between the HLR and the GLR (GLa-interface)  p. 112
A.5.2Interface between the VLR and the GLR (GLb-interface)  p. 112
A.5.3Interface between the SGSN and the GLR (GLc-interface)  p. 112
A.5.4Interface between the GLR and the IM_MSC (GLd-interface)  p. 112
A.5.5Interface between the GLR and the IM_GSN (GLe-interface)  p. 112
A.5.6Interface between the SMS-GMSC and the GLR (GLf-interface)  p. 113
A.5.7Interface between the SMS-GMSC and the IM_MSC (GLg-interface)  p. 113
A.5.8Interface between the MSC and the IM_MSC (GLh-interface)  p. 113
A.5.9Interface between the GMLC and the IM_MSC (GLi-interface)  p. 113
A.5.10Interface between the GGSN and the IM_GSN (GLj-interface)  p. 113
A.5.11Interface between the SGSN and the IM_GSN (GLk-interface)  p. 113
$Change history  p. 114