Abkürzung Bedeutung

I

Initiating

I

Information Field --> Informationsfeld (Token Ring)

I

Information Frame (Datenfelder)

I/F

Interface

I/O

Input/Output

IA

Incomming Access

IA

Implemention Agreement (Frame Relay)

IA2

Internationales Alphabet Nr. 2

IA5

Internationales Alphabet Nr. 5

IAB

Internet Architecture Board (Internet)

IAB

Internet Architecture Board (Gremien, Organisationen)

IAB

Internet Advertising Bureau (Gremien, Organisationen)

IAC

Interconnection Access Charge (Telekommunikation)

IAD

Integrated Access Device

IAE

ISDN-Anschluss-Einheit (ISDN)

IAM

Integrierter Anruf Manager

IAM

Initial Address Message

IANA

Internet Assigned Numbers Authority (Internet) (Gremien, Organisationen)

IAOG

International ADMD Operators Group (Mitteilungsdienste)

IAP

Internet Access Provider

IAPP

Inter-Access-Point Protocol (WLAN, Protokolle)

IARP

Inverse Address Resolution Protocol --> Internet-Protokoll (RFC 2390)

IARU

International Amateur Radio Union (Gremien, Organisationen)

IAS

Information Access Service (Wireless LAN)

IAS

Image Area Separation

IASG

Internetwork Address Sub-Group (ATM, B-ISDN)

IB

In-Band

IB

Information Base

IBC

Integrated Broadband Communication

IBCN

Integrated Broadband Communication Network --> Integriertes Breitband-Fernmeldenetz (NW-Konzepte)

IBDN

Integrated Building Distribution Network

IBFN

Integriertes Breitband-Fernmeldenetz (Deutsche Telekom)

IBGP

Interior Border Gateway Protocol (Protokolle)

IBMS

Integriertes Breitbandiges Mobilkommunikationssystem (Anschlussnetze)

IBN

Integrated Broadband Network

IBS

International Business Service (Mobilfunknetze)

IBSS

Independent Basic Service Set

IBT

Intrinsic Burst Tolerance

IBTA

Infiniband Trade Association (Gremien, Organisationen)

IBTN

Integrated Broadband Telecom Network (ISDN)

IC

Interconnection

IC

Integrated Circuit

IC

Input Controller (ATM, B-ISDN)

ICA

International Communications Association (Gremien, Organisationen)

ICA

Intelligent Communication Adaptor

ICA

Independent Computing Architecture (NW-Konzepte)

ICA

Integrated Communicaton Adapter

ICAN

Individual Customer Access Network

ICANN

Internet Corporation for Assigned Names and Numbers (Gremien, Organisationen)

ICAP

Internet Calender Access Protocol (Internet, Protokolle)

ICAP

Internet Content Adaption Protocol (Internet, Protokolle)

ICC

Integrated Circuit Card (IT-Sicherheit)

ICCB

Internet Control and Configuration Board (Gremien, Organisationen)

ICCS

Integrated Communications Cabling System (Verkabelung)

ICD

International Code Designator (ISO/OSI)

ICD

Intelligent Call Distribution

ICDM

Interactive Communication Data Management (Netzwerkmanagement)

ICE

Information (and) Content Exchange

ICF

Information Conversion Function

ICFG

Internetwork Coordination Functional Group (ATM, B-ISDN)

ICI

Intercarrier Interface

ICI

Interface Control Information

ICI

Inter-Cell-Interference

ICIP

Inter Carrier Interface Protocol (Internetworking, Protokolle)

ICM

Intelligent Call Management (Telekommunikation)

ICMP

Internet Control Message Protocol --> Schicht-3-Internet-Protokoll (RFC 792)

ICO

Intermediate Circular Orbit (Sat-Kommunikation)

ICP

Internet Control Protocol (Banyan) (Protokolle)

ICP

Interconnection Partner

ICP

Internet Cache Protocol (Internet, Protokolle)

ICP

Intertask Commnication Protocol (Protokolle)

ICPC

International Cable Protection Commitee --> Zwischenstaatliches Gremium zum Schutz von Unterwasserkabeln (Gremien, Organisationen)

ICQ

I Seek You (Chat)

ICR

Intelligent Character Recognition --> Intelligente Zeichenerkennung

ICR

Initial Cell Rate (ATM, B-ISDN)

ICS

IBM Cabling System --> IBM-Verkabelungssystem (Verkabelung)

ICS

Internet Connector Service

ICS

Implementation Conformance Statement

ICSA

International Computer Security Association --> Industrieverband der Hard- und Softwareindustrie (Gremien, Organisationen)

ICT

Information and Communication Technology --> Informations- und Kommunikationstechnik

ICUG

International Closed User Group

ICV

Integrity Check Value (Datenfelder)

ICW

Internet Call Waiting

ID

Identification

ID

Identifier

ID

Intrusion Detection (IT-Sicherheit)

ID

Identity (IT-Sicherheit)

IDA

Integrated Digital Access --> Integrierter, digitaler Zugriff (DK-Übertragungstechniken)

IDC

IBM Data Connector --> IBM-Datenstecker (Verkabelung)

IDCT

Inverse Discrete Cosine Transform (Modulation)

IDDD

International Direct Distance Dialling --> Internationaler Selbstfernwähldienst (Telekommunikation)

IDEA

International Data Encryption Algorithm --> Symmetrisches Verschlüsselungsverfahren (IT-Sicherheit)

IDF

Identify

IDF

Intermediate Distribution Frame

IDFT

Inverse Discrete Fourier Transformation

IDI

Initial Domain Identifier (ISO/OSI)

IDI

ISDN Direct Interface (ISDN)

IDL

Interface Definition Language

IDMEP

Intrusion Detection Message Exchange Protocol (Protokolle) (IT-Sicherheit)

IDN

International Data Number (ITU-T X.121)

IDN

Integriertes Text- und Datennetz (Deutschen Telekom)

IDN

Integrated Digital Network --> Integriertes Digitalnetz (Offene NW-Konzepte)

IDN

Interface Definition Notation

IDNX

Integrated Digital Network Exchange

IDP

Initial Domain Part (ISO/OSI)

IDP

Internet Datagram Protocol (Xerox) (Protokolle)

IDP

Integrated Data Processing --> Integrierte Datenverarbeitung

IDR

Intermediate Data Rate

IDRP

Inter Domain Routing Protocol (ISO/IEC 10747) (Protokolle)

IDRS

Intrusion Detection and Response System (IT-Sicherheit)

IDS

Intrusion Detection System (IT-Sicherheit)

IDS

Internet Distribution Service (Internet)

IDSL

ISDN Rate Digital Subscriber Line (xDSL) (Anschlussnetze)

IDU

Interface Data Unit

IDU

Indoor Unit

IE

International Exchange --> Internationale Vermittlungsstelle (Telekommunikation)

IE

Internet Explorer (MIcrosoft)

IE

Informations-Elemente (ISDN)

IEC

International Electrotechnical Commission (Genf) (Gremien, Organisationen)

IEC

Inter-Exchange Carrier (Weitverkehrsnetze)

IECC

International Electronic Components Committee (CENELEC, Frankfurt/M.)

IEE

Institution of Electronic and Electrical Engineers (UK) (Gremien, Organisationen)

IEEE

Institute of Electrical and Electronics Engineers (New York) (Gremien, Organisationen)

IEICE

Institute of Electronics, Information and Communication Engineers (Japan) (Gremien, Organisationen)

IEN

Internet Engineering Notes (Standards, Verordnungen, Gesetze)

IEPG

Internet Engineering Planning Group (Gremien, Organisationen)

IESG

Internet Engineering Steering Group (Gremien, Organisationen)

IETF

Internet Engineering Task Force --> Standardsierungsgremium für das Internet (Gremien, Organisationen)

IETS

Intermediate European Technical Standard (Standards, Verordnungen, Gesetze)

IF

Intermediate Frequency

IF

Interface --> Schnittstelle

IFBN

Integriertes Fernmelde-Breitbandnetz (Deutsche Telekom)

IFCP

Internet Fiber Channel Protocol (Fiber Channel, Protokolle)

IFD

Interface Device --> Chipkartenterminal (IT-Sicherheit)

IFFT

Inverse Fast Fourier Transformation

IFG

Inter Frame Gap (Ethernet)

IFIP

International Federation of Information Processing (Genf) (Gremien, Organisationen)

IFMP

Ipsilon Flow Management Protocol (RFC 1953) (Protokolle)

IFRB

International Frequency Registration Board (Genf) (Gremien, Organisationen)

IFS

Inter Frame Space (Wireless LAN)

IFU

Internationale Fernmeldeunion (Gremien, Organisationen)

IFVV

Internationale Feste Virtuelle Verbindung (DK-Übertragungstechniken)

IGC

Institute for Global Communication (San Francisco) (Gremien, Organisationen)

IGMP

Internet Group Management Protocol --> Internet-Protokoll (RFC 1112) (Protokolle)

IGN

IBM Global Network (IBM)

IGP

Interior Gateway Protocol (Internet, Protokolle)

IGRP

Interior Gateway Routing Protocol --> Routing-Protokoll (Cisco) (Protokolle)

IGSO

Inclined Geosynchronous Orbit (Sat-Komm)

IHL

Initial Header Length (Datenfeld)

IHL

IP Header Length (Datenfeld)

IHMP

Intelligent Hub Management Protocol (Protokolle)

IIH

IS-IS Hello (ISO/OSI)

IILS

Internet Information Locator Service

IIOP

Internet Inter-ORB Protocol (Internet, Protokolle)

IIP

Internet Imaging Protocol (HP, Intel) (Protokolle)

IISP

Interim Inter-Switch Signalling Protocol --> ATM-Signallisierungs-Protokoll (ATM, B-ISDN) (Protokolle)

IIVR

Integrated Interactive Voice Response

IJF

Intersymbol Jitter Free

IKE

Internet Key Exchange (IT-Sicherheit)

IKMP

Internet Key Management Protocol (Internet, Protokolle, IT-Sicherheit)

IKS

Informations- und Kommunikationssystem

IKT

Informations- und Kommunikationstechnik

IKZ

Impulskennzeichen (ISDN)

IL

Insertion Loss --> Einfügungsdämpfung (Verkabelung)

ILAN

Industrial LAN

ILD

Injection Laser Diode (Optische Netze, SDH, Sonet)

ILEC

Incumbent Local Exchange Carrier

ILI

Intelligent Link Interface

ILM

Information Lifecycle Management

ILMI

Interim Local Management Interface (ATM)

ILPF

Internet Law and Policy Forum (Gremien, Organisationen)

ILR

Interworking Location Register

ILS

Internet Locator Service

IMA

Inverse Multiplexing over ATM

IMA

Intermodulationsabstand

IMAC

Isochronous Medium Access Control (FDDI)

IMAP

Internet Message Access Protocol --> Schicht-6-Protokoll (Protokolle)

IMBE

Improved Multiband Excitation

IMC

Internet Mail Consortium (Gremien, Organisationen)

IMD

Intermodulation Distortion --> Intermodulationsverzerrung

IMDR

Initiative Marketing Digital Radio (Gremien, Organisationen)

IME

Interface Management Entity

IMEI

International Mobile Station Equipment Identity --> Internationale

IMEI

International Mobile Equipment Identity --> Internationale Mobilfunk-Gerätekennung (GSM, Mobilfunknetze)

IML

Internationale Mietleitung

IML

Initial Machine Load

IMN

Intermediate Node --> Transitknoten

IMP

Interface Message Processor

IMPDU

Initial MAC Protocol Data Unit

IMS

Information Management System (Hersteller-NW-Architekturen)

IMSI

International Mobile Subscriber Identity --> Internationale Mobilfunk-Teilnehmerkennung (GSM, Mobilfunknetze)

IMSI

Inter MAN System Interface (Weitverkehrsnetze)

IMSO

International Mobile Satellite Organization (Sat-Kommunikation)

IMSP

Internet Message Support Protocol (Internet, Protokolle)

IMT

International Mobile Telecommunications

IMT 2000

International Mobile Telecommunications in the Year 2000

IMTC

International Multimedia Teleconferencing Consortium (Gremien, Organisationen)

IMTS

Improved Mobile Telephone Service (AT&T)

IM-UAPDU

Interpersonal Messaging User Agent Protocol Data Unit (Mobilfunkdienste)

IMUIMG

ISDN Memorandum of Understanding Implementation Management Group (Gremien, Organisationen)

IN

Intelligent Network --> Intelligentes Netz (Weitverkehrsnetz)

INA

Information Network Architecture

INA

Interactive Network Adapter

INAP

Intelligent Network Application Part

INAP

Intelligent Network Application Protocol

INB

Internal Network Bus

INCM

Intelligent Network Conceptual Model

IND

Indication (Steuerzeichen)

INDI

Informations- und Dialogdienste (BTX)

INF

Information (Zeichen, Zeichensatz)

INLP

Inactive Network Layer Protocol (Protokolle)

INM

Integrated Network Management (Netzwerkmanagement)

INMARSAT

International Maritime Satellite Organization (London) (Gremien, Organisationen)

INMS

Integrated Network Management System (Netzwerkmanagement)

INN

Intermediate Network Node (Hersteller-NW-Archtiekturen)

INOBA

Intelligent Node for Basic Access (ISDN)

INOC

Internet Network Operations Center

INP

Internetwork Nodal Processor

INS

Integrated Network System --> Integriertes Übertragungssystem (DK-Übertragungstechniken)

INT

Interrupt --> Unterbrechnung (Steuerzeichen)

INTELSAT

International Telecommunications Satellite Consortium --> Internationales Fernmelde-Satelliten Konsortium (Gremien, Organisationen)

InterNIC

Internet Network Information Center

IINTERNIC

Internet Network Interface Controller

IntServ

Integrated Services (Internet)

INTUG

International Telecommunications User Group (Gremien, Organisationen)

INUP

Intelligent Network User Part (Weitverkehrsnetze)

INWG

Internetwork Working Group (Gremien, Organisationen)

INXS

Internet Exchange Service

IOC

Interoffice Channel (Weitverkehrsnetze)

IOD

Information on Demand (Online-Dienste)

IODC

International Operator Direct Calling

ION

Internetworking over NBMA (Internet-Protokolle)

IONL

International Organization of the Network Layer

IOP

Interoperability --> Interoperabilität

IOR

Indian Ocean Region (INMARSAT, Sat-Kommunikation)

IOS

Internetwork Operating System

IOT

Intelligent Optical Terminal (Anschlussnetze)

IOTP

Internet Open Trading Protocol (Protokolle)

IOUG

International Oracle Users Group (Gremien, Organisationen)

IP

Internet Protocol (RFC 791, 1752)

IP

Intelligent Peripheral

IP

Information Provider

IP

Intelligent Peripheral (Weitverkehrsnetze)

IP X.25

Interworking Port X.25 (ISDN)

IPAD

Integrated PAD (Hersteller-NW-Architekturen)

IPAX

Internet Protocol for Aeronautical Exchange (Eurocontrol)

IP-ATM

IP and ARP over ATM (RFC 2225, 2320)

IPBX

Intelligent Private Branch Exchange

IPC

Interprocess Communication

IPCDN

IP over Cable Data Network (Internet, Protokolle)

IPCP

Internet Protocol Control Protocol (RFC 1332) (Protokolle)

IPDA

IP Distributed Architecture

IPDC

Internet Protocol Device Control

IPDR

IP Detail Record

IP-FDDI

IP and ARP over FDDI (RFC 1390)

IPG

Inter Packet Gap (Lokale Netze)

IPHC

Internet Protocol Header Compression

IP-HIPPI

IP over HIPPI (RFC 2067)

IPI

Intelligent Peripheral Interface

IPI-3

Intelligent Peripheral Interface (Protocol) No. 3

IP-IEEE

IP over IEEE 802 Networks (RFC1042)

IPIP

IP Encapsulation within IP (RFC 2003)

IPL

Initial Program Load

IPM

Interpersonal Messaging (ITU-T X.420)

IPM UA

Interpersonal Messaging User Agent (Mitteilungsdienste)

IPMI

Internet Protocol Multicast Initiative

IPMS

Interpersonal Messaging System (ITU-T X.400)

IPng

Internet Protocol Next Generation (IP Version 6) (RFC 1752)

IPNNI

Integrated Private Network to Network Interface (ATM, B-ISDN)

IPoA

IP over ATM

IPoP

Integrated Point of Presence (Internet, Protokolle)

IPoS

IP over SDH (Netzwerk-, Transportprotokolle)

IPP

Internet Printing Protocol (Protokolle)

IPP

Internet Presence Provider

IPPM

Internet Protocol Performance Metric

IPS

Internet Protocol Suite

IPS

Intelligent Protection Switching

IPS

IP Storage

IPS

Intrusion Prevention System (IT-Sicherheit)

IPSec

Internet Protocol Security (Protokolle, IT-Sicherheit))

IPSO

IP Security Option

IPSRA

IP Security Remote Access (IT-Sicherheit)

IPSS

International Packet Switching Service

IPTEL

IP Telephony --> IP-Telefonie (IP-Dienste)

IPU

ISDN-Datex-P-Umsetzer (Deutsche Telekom)

IPv4

Internet Protocol Version 4 (Protokolle)

IPv6

Internet Protocol Version 6 (Protokolle)

IPv6CP

IPv6 PPP Control Protocol (Protokolle)

IPVC

International Permanent Virtual Connection --> Internationale permanente Verbindung

IPX

Internetwork Packet Exchange --> Internetzwerk-Protokoll (Novell) (Protokolle)

IPXCP

Internetwork Packet Exchange Control Protocol (Novell) (Protokolle)

IR

Infrared

IR

Intermediate Range

IR

Information Retrieval

IR

Internet Registry

IR

Instruction Register --> Befehlsregister

IR

Implementation Requirements

IRA

International Reference Alphabet --> IA5-Alphabet

IRC

Internet Relay Chat

IrCOMM

IrDA Communications (Wireless LAN)

IRCP

Internet Relay Chat Protocol (RFC 1459)

IRD

Integrated Receiver/Decoder

IrDA

Infrared Data Association (Gremien, Organisationen)

IRDP

ICMP Router Discovery Protocol (Protokolle)

IRE

Institute of Radio Engineers (Gremien, Organisationen)

IREG

International Roaming Expert Group (Mobilfunknetze)

IRL

Inter Repeater Link (Ethernet)

IrLAP

IrDA Link Access Protocol (Wireless LAN)

IrLAN

Infrared LAN (Wireless LAN)

IrLMP

IrDA Link Management Protocol (Wireless LAN)

IrMC

Infrared Mobile Communications

IrMC

IrDA Mobile Communication (Wireless LAN)

IRN

Intermediate Routing Node (Hersteller-NW-Architekturen)

IrOBEX

IrDA Object Exchange (Wireless LAN)

IRP

Interior Routing Protocol (Protokolle)

IRP

Internal Reference Point --> Interner Bezugspunkt

IrPHY

IrDA Physical Layer (Wireless LAN)

IRQ

Interrupt Request --> Unterbrechnungsanforderung (Steuerzeichen)

IRS

Intermediate Reference System

IRSG

Internet Research Steering Group (Gremien, Organisationen)

IRT

Institut für Rundfunktechnik (Gremien, Organisationen)

IRTF

Internet Research Task Force (Gremien, Organisationen)

IRTP

Internet Reliable Transaction Protocol (Internet, Protokolle)

IrWW

IrDA Wrist Watch (Wireless LAN)

IS

Intermediate System --> Transit-System (ISO/OSI)

IS

International Standard (Standards, Verordnungen, Gesetze)

IS

Interim Standard (Standards, Verordnungen, Gesetze)

IS

Internet Standard (Standards, Verordnungen, Gesetze)

IS

Information Separator --> Informationstrennzeichen (Steuerzeichen)

IS

Integrated Services

I2S

Inter-IC Sound Bus

ISA

International Federation of the National Standardization Association (Gremien, Organisationen)

ISA

Integrated Service Architecture

ISAKMP

Internet Security Association and Key Management Protocol (IT-Sicherheit, Protokolle)

ISAM

Index-Sequential Access Method --> Index-sequentieller Zugriff (Speichertechnik)

ISAPI

Internet Information Server API

ISBN

International Standard Book Number

ISC

International Switching Center --> Auslandvermittlungsstelle (Weitverkehrsnetze)

ISC

Internet Service Card

ISCP

Integrated Service Control Point

ISCSI

Internet Small Computer System Interface over IP --> iSCSI-Protokoll (Speichernetze)

ISD

International Subscriber Dialing

ISDN

Integrated Services Digital Network --> Diensteintegrierendes digitales Telekommunikationsnetz

ISDN-BA

Integrated Services Digital Network - Basic Rate Access (ISDN)

ISDN-BaAs

ISDN-Basisanschluß (ISDN)

ISDN-NT

ISDN-Netzabschluß (ISDN)

ISDN-NTBA

ISDN-Netzabschluß für Basisanschluß (ISDN)

ISH

Intermediate System Hello (ISO/OSI)

ISI

Intersymbol-Interference --> Impulsintereferenz

ISI

Inter System Interface (Mobilfunknetze)

IS-IS

Intermediate System to Intermediate System --> OSI-Routingprotokoll (ISO/IEC) (Protokolle)

ISL

Inter Satellite Link (Sat-Kommunikation)

ISL

ISDN-Steckerleiste (ISDN)

ISL

Inter Switch Link (Lokale Netze)

ISLAN

Integrated Services LAN

ISLN

Integrated Services Local Network (Lokale Netze)

ISM

Industrial, Scientific, Medical --> Frequenzband im 2 GHz- und 5 GHz-Bereich

ISM

ISDN Standards Management Group (Gremien, Organisationen)

ISMA

Internet Streaming Media Alliance (Gremien, Organisationen)

ISMS

Information Security Management System --> Informationssicherheits-Managementsystem (IT-Sicherheit)

ISN

Information System Network (NW-Konzepte)

ISNS

Internet Storage Name Service Protocol (Speichernetze)

ISO

International Standardization Organization (Gremien, Organisationen)

ISOC

Internet Society (Gremien, Organisationen)

ISODE

ISO Development Environment (Protokolle)

isoEnet

Isochronous Ethernet (ISLAN16-T, IVDLAN oder IVD)

ISP

Internet Service Provider --> Anbieter von Internet-Diensten

ISP

Inmarsat Service Provider (Sat-Komm)

ISP

Information Service Provider (Weitverkehrsnetze)

ISP

International Standardized Profile (ISO/OSI)

ISP

Intermediate Service Part

ISPBX

Integrated Services Private Branch Exchange --> ISDN-fähige Telekommunikationsanlage

ISPC

International Signalling Point Code (Telekommunikation)

ISPO

Information Society Project (mittlerweile Promotion) Office (Gremien, Organisationen)

ISPSC

Internet Service Provider Security Council (Gremien, Organisationen)

ISR

Intermediate Session Routing

ISRC

International Standard Recording Code

ISRF

International Standard Recording File

ISS

International Switching Symposium

ISS AE

ISDN Supplementary Services Application Entity (ISDN)

ISSI

Inter Switching System Interface

ISSLL

Integrated Services Over Specific Link Layer (Internet)

IST

International Telecommunications Society (Gremien, Organisationen)

IST

Integrated Switching and Transmission Network

ISTF

Internet Society Task Force (Gremien, Organisationen)

ISU

Isochronous Service Unit (DK-Übertragungstechniken)

ISU

Integrated Service Unit (Weitverkehrsnetze)

ISUP

ISDN User Part (ISDN)

ISX

Integrated Switching Exchange --> Integrierte Leitungsvermittlung

IT

Information Technology --> Informationstechnologie

IT

Information Type --> Informationstyp

ITA

International Telegraph Alphabet --> Internationales Telegrafenalphabet (Zeichen, Zeichensatz)

ITAEGT

IT Expert Group For Private Telecommunications (Gremien, Organisationen)

ITB

Intermediate Text Block

ITC

International Telecommunications Convention (Standards, Verordnungen, Gesetze)

ITC

Interoperability Test Center (Netzwerkmanagement)

ITE

International Transmission Exchange (Weitverkehrsnetze)

ITE

Independent Trading Exchange (Online-Dienste)

ITE

Informationstechnische Einrichtung (Telekommunikations-Endgeräte)

ITE

Information Technology Equipment (Netzwerkkomponente)

ITF

Information Task Force (Gremien, Organisationen)

ITFS

Instructional Television Fixed Service (Anschlussnetze)

ITG

Informationstechnische Gesellschaft (im VDE) (Gremien, Organisationen)

ITGS

Intelligent Traffic Guidance System (Mobilfunknetze)

ITIC

Information Technology Industries Council (Gremien, Organisationen)

ITIL

Information Technology Infrastructure Library

ITN

Internationales Transportnetz

ITP

Interactive Terminal Protocol (Protokolle)

ITRS

International Terrestrial Reference System

ITSEC

Information and Technology Security (IT-Sicherheit)

ITSEC

Information Technology Security Evaluation Criteria (IT-Sicherheit)

ITSP

Internet Telephony Service Provider

ITSTC

Information Technology Steering Commitee (Gremien, Organisationen)

ITT

Invitation to Transmit (Lokale Netze)

ITTF

Information Technology Task Force (Gremien, Organisationen)

ITU

International Telecommunications Union (Genf) (Gremien, Organisationen)

ITU-R

ITU - Radio Communication Sector (Gremien, Organisationen)

ITUSA

Information Technology Users Standards Association

ITU-T

ITU - Telecommunications Sector (Gremien, Organisationen)

ITV

Interactive Television --> Interaktives Fernsehen

ITX

Intermediate Text Block

IU

Integer Unit

IuK

Informations- und Kommunikationstechnik

IuKDG

Informations- und Kommunikationsdienste Gesetz (Standards, Verornungen, Gesetze)

IUT

Implementation Under Test

IV

Initialisierungsvektor (IT-Sicherheit)

IV

Informationsverarbeitung

IVANS

International Value Added Network Service (Telekommunikation)

IVD

Integrated Voice and Data

IVDLAN

Integrated Voice Data LAN (IEEE 802.9)

IVDT

Integrated Voice/Data Terminal (Weitverkehrsnetze)

IVE

Integrierte Verbindungsdatenerfassung

IVN

Intervening Network

IVOD

Interactive Video on Demand (Telekommunikation)

IVoIP

Improved Voice over IP (IP-Dienste)

IVPN

International Virtual Private Network (NW-Konzepte)

IVR

Individual Voice Recognition

IVR

Interactive Voice Response (Tk-Sprachdienste)

IVS

IBM-Verkabelungssystem (Verkabelung)

IVTeV

Interessenverband Telekommunikation e.V. (Braunschweig) (Gremien, Organisationen)

IVTS

International Video-Teleconferencing Service

IWF

Interworking Function

IWMSC

Internetworking Mobile Switching Center

IWU

Interworking Unit (Netzwerkkomponente)

IWU

Internet Working Units

IWV

Impulswahlverfahren (DK-Übertragungstechniken)

IX

Internet Exchange Architecture (Intel)

IXC

Inter Exchange Carrier (Weitverkehrsnetze)

IXC

Interchange Channel

IXI

International X.25 Interconnect (X.25)

IZ

Interregionalzone