| IBCF |
Interconnection
Border Control Functions |
| ICE |
In
Case of Emergency |
| ICE |
Intercepting
Control Element |
| IC |
Interference
Cancellation |
| IC |
Inter-Cell |
| IC |
Integrated
Circuit |
| ICI |
Inter-Carrier
Interference |
| ICIC |
Inter-Cell
Interference Control / Coordination |
| ICS |
IMS
Centralized Services |
| ICS |
In-Channel
Selectivity |
| ICS |
Implementation
Conformance Statement |
| I-CSCF |
Interrogating
Call State Control Function |
| ICT |
Information
and Communication Technology |
| ID |
Identification
/ Identifier/ Identity |
| IDC |
In-Device
Coexistence |
| IDFT |
Inverse
Discrete Fourier Transform |
| IDLA |
Indirect
Learning Architecture |
| IDU |
Indoor
Unit |
| IEC |
International
Engineering Consortium |
| IEEE |
Institute
of Electrical and Electronics Engineers (Professional association for
engineering, computing and technology) |
| IETF |
Internet
Engineering Task Force, Request for Comments (RFC) |
| IF |
Intermediate
Frequency |
| IFT |
Interactive
Functional Test |
| IFFT |
Inverse
Fast Fourier Transform |
| IFHO |
Inter-Frequency
HandOver (hard) |
| IFOM |
Internet
Protocol Flow Mobility and seamless WLAN Offload |
| I-HSPA |
Internet-High
Speed Packet Access |
| IK |
Integrity
Key |
| IKE |
Internet
Key Exchange |
| IKEv2 |
Internet
Key Exchange version 2 |
| IL |
Insertion
Loos |
| ILBC |
Internet
Lob Bit Rate Codec |
| IM |
Implementation
Margin |
| IM |
Instant
Messaging |
| IMCS |
Index
Modulation and Coding |
| IMD |
Intermodulation |
| IMEI |
International
Mobile station Equipment Identity |
| IMS |
IP
Multimedia Subsystem |
| IMS-CN-SS |
IMS
Core Network Subsystem |
| IMSI |
International
Mobile Subscriber Identity |
| IMS-MGW |
IMS-Media
Gateway |
| IMS-MMTel |
IP
Multimedia Subsystem Multi-Media Telephony service |
| IMS-NNI |
IMS
Network-Network Interface |
| IM-SSF |
IP
Multimedia – Service Switching Function |
| IMT |
International
Mobile Telecommunications |
| IMT-2000 |
International
Mobile Telecommunication requirements (ITU) |
| IMT-A |
IMT-Advanced |
| IMT-Advanced |
Advanced
International Mobile Telecommunication requirements (ITU) |
| IMT-DS |
IMT
Direct Spread |
| IMT-FT |
IMT
Frequency Time |
| IMT-MC |
IMT
Multi Carrier |
| IMT-SC |
IMT
Single Carrier |
| IMT-TC |
IMT
Time Code |
| IN |
Intelligent
Networking |
| INAP |
Intelligent
Network Application Part / Protocol |
| InFHHO |
Intra-Frequency
Hard HandOver |
| InitMsg |
Initiating
Message |
| Inter-RAT |
Inter-Radio
Access Technology |
| I/O |
Input/Output |
| IODT |
Interoperability
Development Testing |
| IoT |
Interference
Over Thermal |
| IOT |
Interoperability
Testing |
| ION |
Intelligent
Optical Network |
| IP |
Internet
Protocol |
| IP-CAN |
Internet
Protocol Connectivity Access Network |
| IPR |
Intellectual
Property Rights |
| IPSec |
Internet
Protocol Security |
| IP-SM-GW |
IP-Short
Message-Gateway |
| IPTV |
Internet
Protocol Television |
| IPv4 |
Internet
Protocol version 4 |
| IPv6 |
Internet
Protocol version 6 |
| IPX |
IP
Packet Exchange |
| IQ |
In-phase
Quadrature |
| I/Q |
In-phase
Quadrature referring to the COMPONENTS used in quadrature amplitude
modulation |
| IQoIP |
IQ
over lnternet Protocol |
| IR |
Image
Rejection |
| IR |
Incremental
Redundancy |
| IRAT |
Inter-Radio
Access Technology |
| IRC |
Interference
Rejection Combining |
| IRI |
Intercept
Related Information |
| IRP |
Integration
Reference Point |
| ISC |
IMS
Service Control |
| ISCP |
Interference
Signal Code Power |
| ISD |
Inter-Site
Distance |
| ISDN |
Integrated
Services Digital Network |
| ISI |
Inter
Symbol Interference |
| ISI |
Inter-System
Interference |
| ISIM |
IMS
Subscriber Identity Module |
| ISM |
Industrial,
Scientific and Medical |
| ISO |
International
Standardization Organization |
| ISR |
Idle
Mode Signalling Reduction |
| ISP |
Internet
Service Provider |
| ISTO |
Industry
Standards and Tecnology Organization |
| ISUP |
ISDN
User Part |
| IT |
Internet
Technology |
| Itf-N |
Interface
N |
| ITU |
International
Telecommunication Union |
| ITU-R |
ITU-Radiotelecommunication
Sector |
| ITU-T |
ITU-Telecommunication
Standardization Section |
| Iu |
UMTS
interface between 3G-MSC/SGSN and RNC |
| Iub |
UMTS
interface between RNC and Node B |
| IuCS |
UTRAN
interface between RNC and the circuit-switched domain of the CN |
| IuPS |
UTRAN
interface between RNC and the packet-switched domain of the CN |
| Iur |
Interface
between RNCs |
| IUT |
Inter-UE
Transfer |
| IVR |
Interactive
Voice Response |
| IWF |
Interworking
Function |
| IWS |
Interworking
Signalling |
| IWS |
Interworking
Solution |
RadioCom
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