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)
7.3 Home subscriber server
(HSS)
7.4 Equipment identity
register (EIR)
7.5 SMS gateway MSC
(SMS-GMSC)
7.6 SMS interworking MSC
7.7 Gateway GPRS support
node (GGSN)
7.8 Serving GPRS support
node (SGSN)
7.9 Circuit switched –
Media gateway function (CS-MGW)
7.10 IP multimedia (IM)
core network (CN) subsystem entities
7.11 Signalling gateway
function (SGW)
7.12 Global text telephony
specific entities
7.13 Security gateway (SEG)
7.14 Gateway mobile
location centre (GMLC)
7.15 GPRS service switching
function (gprsSSF)
7.16 GSM service control
function (gsmSCF)
7.17 GSM service switching
function (gsmSSF)
7.18 GSM specialized
resource function (gsmSRF)
7.19 Gateway location
register (GLR)
7.20 Intermediate GPRS
serving node (IM-GSN)
7.21 Intermediate
mobile-service switching centre (IM-MSC)
8 Interfaces and reference points
8.1 C interface (Gateway
mobile switching centre server (GMSC server) –Home location register (HLR))
8.2 D interface (Visitor
location register (VLR) – Home location register (HLR))
8.3 E interface (Mobile
switching centre server (MSC server) – Mobile switching centre server (MSC
server))
8.4 F interface (Mobile
switching centre server (MSC server) – 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 Reference point
GGSN – Packet data networks (Gi reference point)
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)) 57
8.17 GLi interface
(Intermediate mobile-services switching centre (IM-MSC)– Gateway mobile
location centre (GMLC))
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) – External data 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))
Page
8.29 IuBC interface (Cell broadcast centre
(CBC) – Radio network subsystem (RNS))
8.30 IuCS interface (Mobile
switching centre (MSC) – RNS or BSS)
8.31 IuPS interface
(Serving GPRS support node (SGSN) – RNS or BSS))
8.32 A interface (Mobile
switching centre (MSC) – Base station system (BSS))
8.33 Gb interface (Serving
GPRS support node (SGSN) – Base station system (BSS))
8.34 Reference point GMLC – external LCS client (Le reference
point)
8.35 LCS interfaces using
MAP
8.36 Mc reference point
(Mobile switching centre server (MSC Server) –Circuit switched media gateway
(CS-MGW))
8.37 Mobile switching
centre (MSC) – gsmSCF interface
8.38 Nb reference point
(Circuit switched media gateway (CS-MGW) –Circuit switched media gateway
(CS-MGW))
8.39 Nc reference point (Mobile
switching centre server (MSC server) –Gateway mobile switching centre server
(GMSC server))
8.40 Reference point fixed
networks – MSC
8.41 IM subsystem reference
points
8.42 Reference point CSCF –
Multimedia IP networks (Mm reference point)
8.43 Reference point
PDG – Packet data networks (Wi reference point)
8.44 Reference point WAG –
WLAN access network (Wn reference point)
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 28-series, Signalling
protocols (RSS-CN)
10.8 29-series, Signalling
protocols (NSS)
10.9 31-series, UIM user
identity module
10.10 32-series, operation
and maintenance
10.11 33-series, Security
aspects
10.12 35-series, Algorithm
specifications