1G First
Generation
2G Second
Generation
3G Third
Generation
3GPP Third-Generation
Partnership Project
3GPP2 Third-Generation
Partnership Project 2
AAA Authentication,
Authorization, Accounting
AAAF AAA
Foreign
AAAH AAA
Home
AAAL AAA
Local
AAL ATM
Adaptation Layer
AC Authentication
Center
AES Advanced
Encryption Standard
AF Assured
Forwarding
AGW Access
Gateway
AH Authentication
Header
AHAG Ad
Hoc Authentication Group
AK Anonymity
Key
AKA Authentication
and Key Agreement
AL Air
Link
AMA AA-Mobile-Node-Answer
AMF Authentication
Management Field
AMPS Advanced
Mobile Phone Systems
AMR AA-Mobile-Node-Request
ANSI American
National Standards Institute
API Application
Programming Interface
APN Access
Point Name
ARIB Association
of Radio Industries and Business
ARP Address
Resolution Protocol
ARPU Average
Revenue Per User
ATM Asynchronous
Transfer Mode
AuC Authentication
Center
AUTN Authentication
Token
AV Authentication
Vector
AVP Attribute
Value Pair
BA Behavior
Aggregate / Binding
Acknowledgment
BER Bit
Error Ratio
BGCF Breakout
Gateway Control Function
BGP Border
Gateway Protocol
BITS Bump
In The Stack
BITW Bump
In The Wire
BR Border
Router
BRAN Broadband
Radio Access Network
BS Base
Station / Bearer
Service
BSC Base
Station Controller
BSS Base
Station Subsystem
BSSAPþ Base Station
System Application Partþ
BTS Base
Transceiver Station / Base
Transceiver System
BU Binding
Update
CA Certification
Authority
CAMEL Customized
Applications for Mobile Enhanced Logic
CAP CAMEL
Application Part
CAVE Cellular
Authentication and Voice Encryption
CDMA Code
Division Multiple Access
CDR Call
Detail Record
CFN Connection
Frame Number
CH Correspondent
Host
CHAP Challenge
Handshake Authentication Protocol
CK Cipher
Key
CKSN Cipher
Key Sequence Number
CM Connection
Management
CMEA Cellular
Message Encryption Algorithm
CMS Cryptographic
Message Syntax
CN Core
Network
Correspondent
Node
CoA Care-of
Address
COPS Common
Open Policy Service
CQM Core
QoS Manager
CS Circuit
Switched
CSCF Call
State Control Function
Call
Session Control Function
CSE CAMEL
Service Environment
CSM Communication
Session Manager
CS-MGW Circuit Switched Media Gateway
CT2 Cordless
Telephone, Second Generation
CVSE Critical
Vendor/Organization Specific Extension
CWTS China
Wireless Telecommunication Standard
DB Database
DECT Digital
European Cordless Telecommunications
DES Data
Encryption Standard
DH Diffie-Hellman
DHCP Dynamic
Host Configuration Protocol
Diff-Serv Differentiated
Service
DNS Domain
Name System
DoS Denial
of Service
DP Data
Privacy
DRS Data
Ready to Send
DS Differentiated
Service
DS-CDMA Direct Sequence Code Division Multiple
Access
DSCP Differentiated
Service Code Point
DSI Dynamic
Subscriber Information
DSNP Dynamic
SLS Negotiation Protocol
DSS Digital
Signature Standard
DSSS Direct
Sequence Spread Spectrum
ECMEA Enhanced Cellular
Message Encryption Algorithm
EDGE Enhanced
Data Rates for Global GSM Evolution
EF Expedited
Forwarding
EIR Equipment
Identity Register
ESA Enhanced
Subscriber Authentication
ESN Electronic
Serial Number
ESP Encapsulating
Security Payload
Enhanced
Subscriber Privacy
ETSI European
Telecommunications Standards Institute
FA Foreign
Agent
FDD Frequency
Division Duplex
FHSS Frequency
Hopping Spread Spectrum
FQDN Fully
Qualified Domain Name
GEA GPRS
Encryption Algorithm
GERAN GSM EDGE Radio
Access Network
GFA Gateway
Foreign Agent
GGSN Gateway
GPRS Support Node
GHDM General
Handoff Direction Message
GLM Geographical
Location Manager
GMM GPRS
Mobility Management
GMSC Gateway
MSC
GNS Global
Name Server
GPRS General
Packet Radio Service
GRE Generic
Routing Encapsulation
GSCF GPRS
Service Control Function
GSM Global
System for Mobile Communications
GSN GPRS
Support Node
GTP GPRS
Tunneling Protocol
HA Home
Agent
HAA Home-Agent-MIP-Answer
HAAA Home
AAA
HAR Home-Agent-MIP-Request
HAWAII Handoff-Aware
Wireless Access Internet Infrastructure
HDB Home
Database
HDR High
Data Rate
HE Home
Environment
HFN Hyper
Frame Number
HLR Home
Location Registrar
HMM Home
Mobility Manager
HSS Home
Subscriber Server
HTTP Hypertext
Transfer Protocol
IAB Internet
Architecture Board
IAPP Inter
Access Point Protocol
ICMP Internet
Control Message Protocol
I-CSCF Interrogating
Call State Control Function
ICV Integrity
Check Value
IESG Internet
Engineering Steering Group
IETF Internet
Engineering Task Force
IK Integrity
Key
IKE Internet
Key Exchange
IM Instant
Message
IMEI International
Mobile Station Equipment Identity
IM-MGW IP Multimedia Media Gateway
IMS IP
Multimedia Subsystem
IMSI International
Mobile Subscriber Identity
IM-SSF IP Multimedia
Service Switching Function
IN Intelligent
Network
Int-Serv Integrated
Service
IPHC IP
Header Compression
IPsec IP
Security
IPv4 Internet
Protocol version 4
IPv6 Internet
Protocol version 6
ISAKMP Internet Security Association
and Key Management Protocol
ISC IMS
Service Control
ISDN Integrated
Services Digital Network
ISM Industrial,
Scientific, and Medical
ISP Internet
Service Provider
ISUP ISDN
User Part
ITU International
Telecommunication Union
ITU-T ITU
Telecommunication Standardization Sector
KAC Key
Administration Center
KDC Key
Distribution Center
KSI Key
Set Identifier
L2TP Layer-2
Tunneling Protocol
LA Location
Area
LAC L2TP
Access Concentrator
Link
Access Control
Location
Area Code
LAI Location
Area Identifier
LAN Local
Area Network
LDAP Lightweight
Directory Access Protocol
LEC Local
Exchange Carrier
LLC Logical
Link Control
LNS L2TP
Network Server
MA Mobile
Attendant
MAC Medium
Access Control
Message
Authentication Code
MAP Mobile
Application Part
MAPsec MAP Security
MC Message
Center
MCC Mobile
Country Code
MC-CDMA Multi-Carrier Code Division Multiple Access
MD5 Message
Digest 5
ME Mobile
Equipment
MEK MAP
Encryption Key
MF Multi
Field
MG Media
Gateway
MGC Media
Gateway Controller
MGCF Media
Gateway Control Function
MIDCOM Middlebox Communications
MIK MAP
Integrity Key
MIN Mobile
Identification Number
MIP Mobile
IP
MM Mobility
Management
MMD Multimedia
Domain
MMS Multimedia
Messaging Service
MN Mobile
Node
MNC Mobile
Network Code
MRC Multimedia
Resource Controller
MRF Multimedia
Resource Function
MRFC Multimedia
Resource Function Controller
MRFP Multimedia
Resource Function Processor
MS Mobile
Station
MSC Mobile-services
Switching Center
Mobile
Switching Center
MSIN Mobile
Subscriber Identification Number
MSISDN Mobile Subscriber ISDN
Number
MT Mobile
Termination
Mobile
Terminal
MTP Message
Transfer Part
MWIF Mobile
Wireless Internet Forum
NAI Network
Access Identifier
NANP North
American Numbering Plan
NAS Network
Access Server
NAT Network
Address Translator
NID Network
ID
NIST National
Institute of Standards and Technology
NMSI National
Mobile Subscriber Identity
NMT Nordic
Mobile Telephone
NPDB Number
Portability Database
NSAPI Network-Layer
Service Access Point Identifier
NTP Network
Time Protocol
NVSE Normal
Vendor/Organization Specific Extension
OAM&P Operation, Administration,
Maintenance, and Provisioning
OMA Open
Mobile Alliance
OSA Open
Service Access
OSPF Open
Shortest Path Protocol
OTASP Over-The-Air
Service Provisioning
PACS Personal
Access Communications System
PAN Personal
Area Network
PAP Password
Authentication Protocol
PBX Private
Branch Exchange
PCF Packet
Control Function
Policy
Control Function
P-CSCF Proxy Call State
Control Function
PDC Personal
Digital Cellular
PDCP Packet
Data Convergence Protocol
PDE Position
Determining Entity
PDF Policy
Decision Function
PDP Packet
Data Protocol
Policy
Decision Point
PDS Packet
Data Subsystem
PDSN Packet
Data Serving Node
PDU Packet
Data Unit
PEP Policy
Enforcement Point
PHB Per-Hop
Behavior
PHS Personal
Handyphone System
PKC Public
Key Certificate
PKI Public
Key Infrastructure
PLCM Private
Long Code Mask
PLMN Public
Land Mobile Network
P-MIP Paging
in Mobile IP
PMM Packet
Mobility Management
PPP Point-to-Point
Protocol
PS Packet
Switched
PSTN Public
Switched Telephone Network
P-TMSI Packet TMSI
PZID Packet
Zone ID
QoS Quality
of Service
RA Routing
Area
RAB Radio
Access Bearer
RAC Routing
Area Code
RADIUS Remote Authentication
Dial In User Service
RAI Routing
Area Identifier
RAN Radio
Access Network
RANAP Radio Access
Network Application Part
RAU Routing
Area Update
RB Radio
Bearer
RED Random
Early Detection
RFC Request
For Comments
RLC Radio
Link Control
RN Radio
Network
RNC Radio
Network Controller
RNS Radio
Network Subsystem
ROHC Robust
Header Compression
RRC Radio
Resource Control
RSA Rivest,
Shamir, Adleman
RSVP Resource
Reservation Protocol
RTP Real-Time
Transport Protocol
RTT Radio
Transmission Technology
SA Security
Association
SAD Security
Association Database
SBLP Service
Based Local Policy
SCCP Signaling
Connection Control Part
SCP Service
Control Point
SCS Service
Capability Server
S-CSCF Serving Call State
Control Function
SCTP Stream
Control Transmission Protocol
SDO Standards
Development Organization
SDP Session
Description Protocol
SDU Selection
and Distribution Unit
Service
Data Unit
SGSN Serving
GPRS Support Node
SHA Secure
Hash Algorithm
SI Session
ID
System
ID
SIM Subscriber
Identity Module
SIP Session
Initiation Protocol
SLA Service
Level Agreement
SLP Service
Location Protocol
SLS Service
Level Specification
SM Session
Management
SME Signaling
Message Encryption
SMEKEY Signaling Message Encryption
Key
SMS Short
Message Service
SN Service
Node
Serving
Network
SNMP Simple
Network Management Protocol
SPD Security
Policy Database
SPI Security
Parameter Index
SQM Subscription
QoS Manager
SQN Sequence
Number
SRNS Serving
Radio Network Subsystem
SS7 Signaling
System No. 7
SSD Shared
Secret Data
TA Terminal
Adapter
TACS Total
Access Communications Services
TCA Traffic
Conditioning Agreement
TCAP Transaction
Capabilities Application Part
TCP Transmission
Control Protocol
TCS Traffic
Conditioning Specification
TDD Time
Division Duplex
TDMA Time
Division Multiple Access
TE Terminal
Equipment
TEID Tunnel
Endpoint Identifier
TIA Telecommunications
Industry Association
TLS Transport
Layer Security
TMSI Temporary
Mobile Subscriber Identity
TOS Type
of Service
TRIP Telephony
Routing over IP Protocol
TTA Telecommunications
Technology Association
TTC Telecommunications
Technology Committee
TTL Time
to Live
UA User
Agent
UAC User
Agent Client
UAK UIM
Authentication Key
UAS User
Agent Server
UDP User
Datagram Protocol
UE User
Equipment
UEA UMTS
Encryption Algorithm
UHDM Universal
Handoff Direction Message
UIA UMTS
Integrity Algorithm
UICC UMTS
IC Card
UIM User
Identity Module
UMTS Universal
Mobile Telecommunications System
URA UTRAN
Registration Area
URI Uniform
Resource Identifier
USIM UMTS
Subscriber Identity Module
Universal
Subscriber Identity Module
UTRAN UMTS Terrestrial
Radio Access Network
Universal
Terrestrial Radio Access Network
VAAA Visited
AAA
VAS Value-Added
Service
VDB Visited
Database
VLR Visitor
Location Register
VMS Voice
Message System
VoIP Voice
over IP
VP Voice
Privacy
VPMASK Voice Privacy Mask
VPN Virtual
Private Network
WCDMA Wideband Code Division
Multiple Access
WLAN Wireless
Local Area Network
WWW World
Wide Web
Interface Name |
IMS entities |
Description |
Protocol |
Gm |
UE, P-CSCF |
Used to exchange messages between UE and CSCFs |
|
Mw |
P-CSCF, I-CSCF, S-CSCF |
Used to exchange messages between CSCFs |
|
ISC |
S-CSCF, I-CSCF, AS |
Used to exchange messages between CSCF and AS |
|
Cx |
I-CSCF, S-CSCF, HSS |
Used to communicate between I-CSCF/S-CSCF and HSS |
|
Dx |
I-CSCF, S-CSCF, SLF |
Used by I-CSCF/S-CSCF to find a correct HSS in a multi-HSS environment |
|
Sh |
SIP AS, OSA SCS, HSS |
Used to exchange information between SIP AS/OSA SCS and HSS |
|
Si |
IM-SSF, HSS |
Used to exchange information between IM-SSF and HSS |
|
Dh |
SIP AS, OSA, SCF, IM-SSF, HSS |
Used by AS to find a correct HSS in a multi-HSS environment |
|
Mm |
I-CSCF, S-CSCF, external IP network |
Used for exchanging messages between IMS and external IP networks |
Not specified |
Mg |
MGCF -> I-CSCF |
MGCF converts ISUP signalling to SIP signalling and forwards SIP signalling to I-CSCF |
|
Mi |
S-CSCF -> BGCF |
Used to exchange messages between S-CSCF and BGCF |
|
Mj |
BGCF -> MGCF |
Used to exchange messages between BGCF and MGCF in the same IMS network |
|
Mk |
BGCF -> BGCF |
Used to exchange messages between BGCFs in different IMS networks |
|
Mr |
S-CSCF, MRFC |
Used to exchange messages between S-CSCF and MRFC |
|
Mp |
MRFC, MRFP |
Used to exchange messages between MRFC and MRFP |
|
Mn |
MGCF, IM-MGW |
Allows control of user-plane resources |
|
Ut |
UE, AS (SIP AS, OSA SCS, IM-SSF) |
Enables UE to manage information related to his services |
|
Go |
PDF, GGSN |
Allows operators to control QoS in a user plane and exchange charging correlation information between IMS and GPRS network |
|
Gq |
P-CSCF, PDF |
Used to exchange policy decisions-related information between P-CSCF and PDF |