1
Scope
2 References
2.1 Normative references
2.2 Informative references
3 Definitions
4 Abbreviations and acronyms
5 Introduction
6 Basic architecture for the UMTS
IMT-2000 family member
7 Network entities
7.1 Gateway Mobile Switching Centre
(GMSC)
7.2 Mobile Switching Centre and
Visitor Location Register MSC/VLR (MSC/VLR)
7.2.1 Mobile Switching Centre (MSC)
7.2.2 Visitor Location Register (VLR)
7.3 Home Location Register (HLR)
7.4 Authentication Centre (AuC)
7.5 Equipment Identity Register (EIR)
7.6 Gateway GPRS Support Node (GGSN)
7.7 Serving GPRS Support Node (SGSN)
7.8 Gateway Mobile Location Centre
(GMLC)
7.9 GPRS Service Switching Function
(gprsSSF)
7.10 GSM Service Control Function
(gsmSCF)
7.11 GSM Service Switching Function
(gsmSSF)
7.12 GSM Specialised Resource Function
(gsmSRF)
7.13 Gateway Location Register (GLR)
7.14 Intermediate GPRS Serving Node
(IM-GSN)
7.15 Intermediate Mobile-services
Switching Centre (IM-MSC)
8 Interfaces
8.1 C-Interface (Gateway Mobile
Switching Centre (GMSC) Home Location Register (HLR))
8.2 D Interface (Visitor Location
Register (VLR) Home Location Register (HLR))
8.3 E Interface (Mobile Switching
Centre (MSC) Mobile Switching Centre (MSC))
8.4 F Interface (Mobile Switching
Centre (MSC) Equipment Identity Register (EIR))
8.5 G Interface (Visitor Location
Register (VLR) Visitor Location Register (VLR))
8.6 Gc Interface (Home Location
Register (HLR) Gateway GPRS Support Node (GGSN))
8.7 Gf Interface (Equipment Identity
Register (EIR) Serving GPRS Support Node (SGSN))
8.8 Gi Interface (Gateway GPRS Support
Node (GGSN) Public Network)
8.9 GLa Interface (Gateway Location
Register (GLR) Home Location Register (HLR))
8.10 GLb Interface (Gateway Location
Register (GLR) Visitor Location Register (VLR))
8.11 GLc Interface (Gateway Location
Register (GLR) Serving GPRS Support Node (SGSN))
8.12 GLd Interface (Gateway Location
Register (GLR) Intermediate Mobile services Switching Centre (IM-MSC))
8.13 GLe Interface (Gateway Location
Register (GLR) Intermediate GPRS Serving Node (IM-GSN))
8.14 GLf Interface (Gateway Location
Register (GLR) Short Message Service-Gateway Mobile Switching Centre
(SMS-GMSC))
8.15 GLg Interface (Intermediate
Mobile-services Switching Centre (IM-MSC) Short Message Service-Gateway
Mobile Switching Centre (SMS-GMSC))
8.16 GLh Interface (Intermediate
Mobile-services Switching Centre (IM-MSC) Mobile Switching Centre (MSC))
8.17 GLi Interface (Intermediate
Mobile-services Switching Centre (IM-MSC) Gateway Mobile Location Centre
(GMLC)) 26
8.18 GLj Interface (Intermediate GPRS
Serving Node (IM-GSN) Gateway GPRS Support Node (GGSN))
8.19 GLk Interface (Intermediate GPRS
Serving Node (IM-GSN) Serving GPRS Support Node (SGSN))
8.20 Gn Interface (Gateway GPRS Support
Node (GGSN) Serving GPRS Support Node (SGSN))
8.21 Gp Interface (Serving GPRS Support
Node (SGSN) Public Network)
8.22 Gr Interface (Home Location
Register (HLR) Serving GPRS Support Node (SGSN))
8.23 Gs Interface (Mobile Switching
Centre (MSC)/Visitor Location Register (VLR) Serving GPRS Support Node
(SGSN))
8.24 gsmSCF HLR Interface
8.25 gsmSCF gsmSRF Interface
8.26 gsmSSF gsmSCF Interface
8.27 gprsSSF gsmSCF Interface
8.28 H Interface (Home Location
Register (HLR) Authentication Centre (AuC))
8.29 IuBC Interface (Core Network (CN)
Radio Network Controller (RNC))
8.30 IuCS Interface (Mobile Switching
Centre (MSC) Radio Network Controller (RNC))
8.31 IuPS Interface (Serving GPRS
Support Node (SGSN) Radio Network Controller (RNC))
8.32 Lc Interface (Gateway Mobile
Location Centre (GMLC) GSM Service Control Function (gsmSCF))
8.33 Le Interface (Gateway Mobile Location
Centre (GMLC) External LCS client)
8.34 Lg Interface (Mobile Switching Centre (MSC)/Visitor Location
Register (VLR) Mobile Location Centre (MLC))
8.35 Lh Interface (Home Location Register (HLR) Gateway Mobile
Location Centre (GMLC))
8.36 Mobile Switching Centre (MSC)
gsmSCF Interface
8.37 PSTN Interface (Mobile Switching
Centre (MSC)/Visitor Location Register (VLR) Public Switching Telephone
Network (PSTN))
9 Technical specifications structure
10 Technical specifications
10.1 21-series, Requirements
specifications
10.2 22-series, Service aspects
10.3 23-series, Technical realization
10.4 24-series, Signalling protocols
(User Equipment-Core Network)
10.5 26-series, Codecs (speech, video,
etc.)
10.6 27-series, Data
10.7 29-series, Signalling protocols
(NSS)
10.8 31-series, UIM User Identity
Module
10.9 32-series, Operation and
Maintenance
10.10 33-series, Security aspects
10.11 35-series, Algorithm
specifications