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3GPP-Specs
Features
Entities
Interfaces
SBIs
Identifiers
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4‑5x
3GPP Network Element Functions
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
#
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
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
→
TS 23.203 (S.8)
AF
Application Function
→ see it
here
→
Naf
SBI
AFE
Application Front End
→
TS 23.335 (4)
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
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
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
E
EATF
Emergency Access Transfer Function
→
TS 23.237 (5.3.3)
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
F
FN-RG
Fixed Network Residential Gateway
→ see it
here
G
GANC
Generic Access Network Controller
→
TS 43.318 (5.2)
GCR
Group Call Register
→
TS 43.068 (5)
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
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
→
TS 24.302 (4.2)
HSGW
cdma2000® HRPD Serving GateWay
→
TS 24.302 (6.6)
HSS
Home Subscriber Server
→ see it
here
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
L
LMF
Location Management Function
→ see it
here
LMU
Location Measurement Unit
→ see it
here
LRF
Location Retrieval Function
→ see it
here
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
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
O
OFCS
OFfline Charging System
→ see it
here
OCF
Online Charging Function
→ see it
here
OCS
Online Charging System
→ see it
here
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
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
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
→
TS 29.163 (6)
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
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
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
V
VLR
Visitor Location Register
→ see it
here
W
W-AGF
Wireline Access Gateway Function
→ see it
here
→
TS 23.316