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3GPP Entities

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5G-EIR

5G-Equipment Identity Register
→  see it  here
→  N5g-eir SBI

5G-BRG

5G Broadband Residential Gateway

5G-CRG

5G Cable Residential Gateway

5G-RG

5G Residential Gateway
→  see it  here

Top

A

AAA Proxy/Server

Authentication, Authorization and Accounting Proxy/Server
→  see it  here

ABMF

Account Balance Management Function
→  see it  here

Acc IF

Accounting Interworking Function

AF

Application Function
→  see it  here
→  Naf SBI

AFE

Application Front End

AMF

Access and Mobility Management Function
→  see it  here
→  Namf SBI

ANDSF

Access Network Discovery and Selection Function
→  see it  here

AS

Application Server
→  see it  here

ATCF

Access Transfer Control Function
→  see it  here
→  TS 23.237 (5.3.4)

ATGW

Access Transfer Gateway
→  see it  here
→  TS 23.237 (5.3.5)

AuC

Authentication Center
→  see it  here

AUSF

Authentication Server Function
→  see it  here
→  Nausf SBI

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B

BBERF

Bearer Binding and Event Reporting Function
→  see it  here

BD

Billing Domain
→  see it  here

BGCF

Breakout Gateway Control Function
→  see it  here

BM‑SC

Broadcast-Multicast Service Centre
→  see it  here

BPCF

Broadband Policy Control Function
→  see it  here

BSC

Base Station Controller
→  see it  here

BSF

Binding Support Function
→  Nbsf SBI

BSF

Bootstrapping Server Function
→  see it  here

BSS

Base Station System
→  see it  here

BTS

Base Transceiver Station
→  see it  here

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C

CBC

Cell Broadcast Centre
→  TS 23.041

CDF

Charging Data Function
→  see it  here

CGF

Charging Gateway Function
→  see it  here

CHF

Charging Function
→  see it  here
→  Nchf SBI

CSCF

Call Session Control Function
→  see it  here

C-SGN

CIoT Serving Gateway Node
→  see it  here

CS-MGW

Circuit Switched - Media GateWay
→  see it  here

CSS

CSG (Closed Subscriber Group) Subscriber Server
→  see it  here

CTF

Charging Trigger Function
→  see it  here

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E

EATF

Emergency Access Transfer Function

EBCF

Event Based Charging Function
→  see it  here

E-CSCF

Emergency - Call Session Control Function
→  see it  here
→  TS 23.167 (6.2.2)

EIR

Equipment Identity Register
→  see it  here

eNB (eNodeB)

E-UTRAN Node B
→  see it  here

ePDG

evolved Packet Data Gateway
→  see it  here

E-SMLC

Evolved - Serving Mobile Location Centre
→  see it  here

E-UTRAN

Evolved - UTRAN
→  see it  here

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F

FN-RG

Fixed Network Residential Gateway
→  see it  here

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G

GANC

Generic Access Network Controller

GCR

Group Call Register

GCS AS

Group Communication Service Application Server
→  see it  here

GGSN

Gateway GPRS Support Node
→  see it  here

GLR

Gateway Location Register
→  see it  here

GMLC

Gateway Mobile Location Centre
→  see it  here

GMSC

Gateway Mobile-services Switching Centre
→  see it  here

gNB

new generation (5G) NodeB
→  see it  here

gNB-CU

gNB Central Unit
→  see it  here

gNB-CU-CP

gNB-CU-Control Plane
→  see it  here

gNB-CU-UP

gNB-CU-User Plane
→  see it  here

gNB-DU

gNB Distributed Unit
→  see it  here

gprsSSF

GPRS Service Switching Function
→  see it  here

gsmSCF

GSM Service Control Function
→  see it  here

gsmSSF

GSM Service Switching Function
→  see it  here

gsmSRF

GSM Specialised Resource Function
→  see it  here

GUP Server

Generic User Profile Server
→  see it  here

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H

HLR

Home Location Register
→  see it  here

HNB

Home NodeB
→  see it  here

HNB-GW

Home NodeB - GateWay
→  see it  here

HRPD-AN

cdma2000® High Rate Packet Data - Access Network

HSGW

cdma2000® HRPD Serving GateWay

HSS

Home Subscriber Server
→  see it  here

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I

IBCF

Interconnection Border Control Function
→  see it  here

I-CSCF

Interrogating - Call Session Control Function
→  see it  here

ICS UE

IMS Centralized Services capable User Equipment
→  see it  here

IM-GSN

InterMediate - GPRS Serving Node
→  see it  here

IM-MSC

InterMediate - Mobile-services Switching Centre
→  see it  here

IMS

IP Multimedia Subsystem
→  see it  here

IMS-AGW

IP Multimedia Subsystem - Access GateWay
→  see it  here

IMS-MGW

IP Multimedia Subsystem - Media GateWay
→  see it  here

I-NEF

Intermediate NEF
→  see it  here

IP-SM-GW

IP - Short Message - GateWay
→  see it  here

I-SMF

Intermediate SMF
→  see it  here

IWK-SCEF

InterWorKing Service Capability Exposure Function
→  see it  here

Top

L

LMF

Location Management Function
→  see it  here

LMU

Location Measurement Unit
→  see it  here

LRF

Location Retrieval Function
→  see it  here

Top

M

MBMS-GW

Multimedia Broadcast / Multicast Service GateWay
→  see it  here

MCE

Multi-cell/multicast Coordination Entity
→  see it  here

MGCF

Media Gateway Control Function
→  see it  here

MME

Mobility Management Entity
→  see it  here

MRB

Media Resource Broker
→  see it  here

MRFC

Multimedia Resource Function Controller
→  see it  here

MRFP

Multimedia Resource Function Processor
→  see it  here

MS

Mobile Station

MSC / MSC-S

Mobile-services Switching Centre - Server
→  see it  here

MTC-AAA

Machine Type Communications - Authentication, Authorization and Accounting
→  see it  here

MTC-IWF

Machine Type Communications - InterWorking Function
→  see it  here

Top

N

N3AN

Non-3GPP Access Network
→  see it  here

N3IWF

Non-3GPP InterWorking Function
→  see it  here

N5CW-UE

Non-5G-Capable over WLAN UE
→  see it  here

NAF

Network Application Function
→  see it  here

NB (NodeB)

UTRAN NodeB
→  see it  here

NE

Network Element
generic name

NEF

Network Exposure Function
→  see it  here
→  Nnef SBI

NF

Network Function
→  see it  here

ng-eNB

new generation (5G) evolved NodeB
→  see it  here

NPDB

Number Portability DataBase
→  TS 23.066

NRF

Network Repository Function
→  see it  here
→  Nnrf SBI

NSSF

Network Slice Selection Function
→  see it  here
→  Nnssf SBI

NWDAF

Network Data Analytics Function
→  see it  here
→  Nnwdaf SBI

Top

O

OFCS

OFfline Charging System
→  see it  here

OCF

Online Charging Function
→  see it  here

OCS

Online Charging System
→  see it  here

Top

P

PC

Protocol Converter
→  see it  here

PCEF

Policy and Charging Enforcement Function
→  see it  here

PCF

Policy Control Function
→  see it  here
→  Npcf SBI

PCRF

Proxy - Call Session Control Function
→  see it  here

P-CSCF

Proxy - Call Session Control Function
→  see it  here

PDN-GW (P-GW)

Packet Data Network - GateWay
→  see it  here

PFDF

Packet Flow Description Function
→  see it  here

PMD

Pseudonym Mediation Device
→  see it  here

PPR

Privacy Profile Register
→  see it  here

Top

R

RAF

Repository Access Function
→  see it  here

RCAF

RAN Congestion Awareness Function
→  see it  here

RF

Rating Function
→  see it  here

RNC

Radio Network Controller
→  see it  here

Top

S

SAS

Stand-Alone SMLC
→  see it  here

SBCF

Session Based Charging Function
→  see it  here

SCC-AS

Service Centralization and Continuity - Application Server
→  see it  here

SCEF

Service Capability Exposure Function
→  see it  here

S-CSCF

Serving - Call Session Control Function
→  see it  here

SCP

Service Communication Proxy
→  see it  here

SCS

Services Capability Server
→  see it  here

SEG

SEcurity Gateway
→  see it  here

SEPP

Security Edge Protection Proxy
→  see it  here

SGSN

Serving GPRS Support Node
→  see it  here

SGW

Signalling GateWay

S-GW

Serving - GateWay
→  see it  here

SLF

Subscription Locator Function
→  see it  here

SME

Short Message Entity
→  see it  here

SMF

Session Management Function
→  see it  here
→  Nsmf SBI

SMLC

Serving Mobile Location Center
→  see it  here

SMSF

Short Message Service Function
→  see it  here
→  Nsmsf SBI

SMS-GMSC

Short Message Service - Gateway Mobile-services Switching Centre
→  see it  here

SMS-IWMSC

Short Message Service - InterWorking Mobile-services Switching Centre
→  see it  here

SMS-SC

Short Message Service - Service Centre
→  see it  here

SPR

Subscription Profile Repository
→  see it  here

Top

T

TDF

Traffic Detection Function
→  see it  here

TNAP

Trusted Non-3GPP Access Point
→  see it  here

TNGF

Trusted Non-3GPP Gateway Function
→  see it  here

TrGW

Transition GateWay
→  see it  here

TSSF

Traffic Steering Support Function
→  see it  here

TWAP

Trusted WLAN Access Point
→  see it  here

TWIF

Trusted WLAN Interworking Function
→  see it  here

Top

U

UCMF

UE radio Capability Management Function
→  Nucmf SBI

UDM

Unified Data Management
→  see it  here
→  Nudm SBI

UDR

Unified Data Repository
→  see it  here
→  Nudr SBI

UDSF

Unstructured Data Storage Function
→  see it  here
→  Nudsf SBI

UE

User Equipment

UPF

User Plane Function
→  see it  here

UTRAN

Universal Terrestrial Radio Access Network
→  see it  here

Top

V

VLR

Visitor Location Register
→  see it  here

Top

W

W-AGF

Wireline Access Gateway Function
→  see it  here
→  TS 23.316

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