Abbreviation Index

A
AAL: ATM Adaptive Layer
ABE: Always Best Experience
AC: Access Control
ACL: Activated Codec Lists
ADSL: Asymmetric Digital Subscriber Line
ADSLAM: Asymmetrical Digital Subscriber Line Access Multiplexer
AF: Application Function
AG: Access Gateway
AGCF: Access Gateway Control Function
AMF: Access Management Function
AM-FE: Access Management Functional Entity
AMR: Adaptive Multi-rate Encoding
AN: Access Network
AN: Access Node
ANI: Application Network Interface
AP: Access Point
API: Application Programming Interface
APM: Application Propagation Message
A-RACF: Access Resource and Admission Control Function
ARF: Access Relay Function
AR-FE: Access Relay Functional Entity
AS: Application Server
ATIS: Alliance for Telecommunications  Industry Solutions
ATM: Asynchronous Transfer Mode

B
BGCF: Breakout Gateway Control Function
BGF: Border Gateway Function
BICC: Bearer Independent Call Control
BNG: Broadband Network Gateway
BRAS: Broadband Remote Access Service
BSSID: Basic Service Set Identifier

C
CATR: China Academy of Telecommunication Research
C-BGF: Core Border Gateway Function
CCSA: China Communications StandardsAssociation
CE: Consumer Electronics
CLF: Connectivity Session Location and Repository Function
CN: Core Network
CNG: Customer Network Gateway
CNGCF: Customer Network GatewayConfiguration Function
CPE: Customer Premises Equipment
CRBT: Color Ring Back Tone
CS: Circuit Switching
CSCF: Call State Control Function
CSI: Circuit Switching and IMS Integrated Services

D
DHCP: Dynamic Host Configuration Protocol
DHWG: Digital Home Working Group
DLNA: Digital Living Network Alliance
DNS: Domain Name Servers
DOS: Deny of Service
DRM: Digital Rights Management
DS: Distributed System
DSAI: Dynamic Service Activation Information
DSL: Digital Subscriber Line
DVB: Digital Video Broadcasting
DVB-H: Digital Video Broadcasting-Handheld
DVB-T: Digital Video Broadcasting-Terrestrial

E
EMC: Electromagnetic Compatibility
ESS: Extended Service Set
ETSI: European Telecommunications Standards Institute
EU: European Union
EUTE: End User Terminal Entity

F

FBI: Fixed Broadband Access to IMS
FE: Functional Entitie
FGNGN: Focus Group on Next Generation Network
FMC: Fixed Mobile Convergence
FP6: Sixth Framework Program
FPE: Functional Processing Entity
FTP: File Transfer Protocol

G
GGSN: Gateway GPRS Support Node
GMLC: Gateway Mobile Location Center
GPRS: General Packet Radio Service
GSM: Global System for Mobile Communications
GW: Gateway

H
HCE: Home Core Entity
HFC: Hybrid Fiber Coaxial
HGW: Home Gateway
HGWC-FE: Home Gateway ConfigurationFunctional Entity
HLR: Home Location Register
HPNA: Home Phoneline Networking Alliance
HSS: Home Subscriber Server
HTTP: Hypertext Transfer Protocol

I
IAPP: Inter-Access Point Protocol
I-BGF: Interconnect Border Gateway Function
ICC: International Code Council
ICP: Internet Content Provider
I-CSCF: Inquiry-Call Session Control Function
IGMP: Internet Group Management Protocol
IGRS: Intelligent Grouping and Resource Sharing
IGW: Interconnection Gateway
IMS: IP Multimedia Subsystem
IMSI: International Mobile Subscriber Identity
IN: Intelligent Network
INAP: Intelligent Network Application Protocol
IP-CAN: IP-Connectivity Access Network
IPDC: IP Data Casting
IPE: In-path Equipment
IPoA: IP over Asynchronous Transfer Mode
IPoE: IP over Ethernet
ISC: IMS Service Control
I/S-CSCF: Interrogate/Service-Call Session Control Function
ISDB-T: Integrated Services Digital Broadcasting-Terrestrial
ISDN: Integrated Service Digital Network
IST: Information Society Technology
ISUP: ISDN User Part
ITU-T: International Telecommunication Union Telecommunication Standardization Sector
IuUP: Iu Interface User Plain

J
JCA-HN: Joint Coordination Activity on Home Networking

L
L2TF: Layer 2 Termination Function
LAN: Local Area Network
LCP: Link Control Protocol
LS: Local Switch

M
MAC: Medium Access Control
MAN: Metropolitan Area Network
MAP: Mobile Application Protocol
MFHO: Manageable Fast Handover
MGW: Medium Gateway
MII: Ministry of Information Industry
MMS: Multimedia Message Service
MS: Mobile Station
MSAG: Multiservice Access Gateway
MSC: Mobile Switching Center
MUSE: Mobile Ubigutious Service Environment

N

NACF: Network Attachment Control Functions
NAC-FE: Network Access Control Functional Entity
NAE: Network Access Entity
NAPT: Network Address Port Translation
NASS: Network Attachment Subsystem
NAT: Network Address Translator
NAT-T: NAT Traversal
NbUP: Nb Interface User Plain
NCP: Network Control Protocol
NGI: Next Generation Internet
NGN: Next Generation Network
NGN-GSI: Next Generation Network
                    Global Standards Initiative
NNI: Network Network Interface
NSE: Network Service Environment

O
OLT: Optical Line Terminal
O-MGW: Originating Medium Gateway
O-MSC: Originating Mobile Switching Center
ONLY: One Number Links You
ONU: Optical Network Unit
OoBTC: Out-of-band Transcoder Control
OSA: Open Service Access

P
PADI: PPPoE Active Discovery Initiation
PADO: PPPoE Active Discovery Offer
PADR: PPPoE Active Discovery Request
PADS: PPPoE Active Discovery Session-confirmation
PAN: Personal Area Network
PCC: Policy and Charging Control
PCM: Pulse Code Modulation
P-CSCF: Proxy-Call Session Control Function
PDBF: Profile Database Function
PD-FE: Policy Decision Functional Entity
PE-FE: Policy Enforcement Functional Entity
PES: PSTN Emulation Subsystem
PESQ: Perceptual Evaluation of Speech Quality
PHS: Personal Handy-phone System
PLC: Power Line Communications
PLMN：Public Land Mobile Network
PN：Personal Network
PoC: Push-to-talk over Cellular
PON: Passive Optical Network
PPPoA: Point-to-Point Protocol over Asynchronous Transfer Mode
PPPoE: Point-to-Point Protocol over Ethernet
PS: Packet Switching
PSS: PSTN Simulation Service
PSTN: Public Switched Telephony Network

Q
QoS: Quality of Service

R
RAC: Resource and Admission Control
RACF: Resource and Admission ControlFunctions
RACS: Resource and Admission Control Subsystem
RANAP: Radio Access Network Application Part
RCEF: Resource Control Enforcement Function
RNC: Radio Network Controller
RSVP: Resource Reservation Protocol
RTP: Real-time Transport Protocol
RTCP: Real-time Transport Control Protocol

S
SCF: Service Control Function
SCL: Supported Codec Lists
SCP: Service Control Point
S-CSCF：Serving-Call Session Control Function
SDP: Service Data Point
SDR: Software Define Radio
SG: Signaling Gateway
SGSN/GGSN: Service General Packet Radio Service Support Node/Gate General Packet Radio Service Support Node
SHLR: Smart Home Location Register
SIP: Session Initiation Protocol
SLA: Service Level Agreement
SLF: Subscription Locator Function
SMP: Service Management Point
SMS: Short Message Service
SNMP: Simple Network Management Protocol
SPAN: Services and Protocols for Advanced Networks
SPDF: Service-based Policy Decision Function
SS: Soft Switch
SSF: Service Switching Function
STA: Station
STB: Set Top Box

T
TAA-FE: Transport Authentication and Authorization Functional Entity
TC: Transcoder
TCP: Transmission Control Protocol
TDM: Time Division Multiplexing
T-DMB: Terrestrial-Digital Multimedia Broadcasting
TE: Terminal Equipment
TFO: Tandem Free Operation
TFTP: Trivial File Transfer Protocol
TG: Tandem Gateway
TIPHON: Telecommunications and Internet Protocol Harmonization over Networks
TISPAN: Telecommunication and Internet converged Services and Protocols for Advanced Networks
TLM-FE: Transport Location Management Functional Entity
T-MGW: Terminating Medium Gateway
T-MSC: Terminating Mobile Switching Center
TN: Transaction Server
T-net: Time Slot Switching Network
TO: Tandem Operations
TRC-FE: Transport Resource Control Functional Entity
TRE-FE: Transport Resource EnforcementFunctional Entity
TrFO: Transcoder Free Operation
TSE: Terminal Service Environment
TUP-FE: Transport User Profile Functional Entity

U
UAAF: User Access Authorization Function
UDP: User Datagram Protocol
UE: User Equipment
UI: User Interface
UID: User ID
UMTS: Universal Mobile Telecommunications System
UNI: User Network Interface
UPnP: Universal Plug and Play
 UPSF：User Profile Server Function
URI: Uniform Resource Identifier
UTRAN: Universal Terrestrial Radio Access Network

V
VAN: Vehicle Area Network
VAS: Value Added Services
VBAS: Virtual Broadband Access Server
VC: Virtual Channel
VCC: Voice Call Continuity
VLAN: Virtual Local Area Network
VLR: Visitor Location Register
VMAC: Virtual Media Access Control
VOD: Video on Demand
VoIP: Voice over IP
VPN: Virtual Private Network

W
WAC: Wide Area Centrex
WAN: Wide Area Network
WCDMA: Wideband Code Division Multiple Access
WiMAX: Worldwide Interoperability for Microwave Access
WLAN: Wireless Local Area Network
WPAN: Wireless Personal Area Network
WWRF: World Wireless Research Forum