I
 | IABInternet Architecture Board
Group that oversees Internet standards
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| IACInquiry Access Code
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| IAMIntangible Assets Monitor
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| IANAInternet Assigned Numbers Authority
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| IARPInverse Address Resolution Protocol
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| IASCInternetwork Address Sub Group
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| IBEXInternational Buisness EXchange
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| IBSGInternetwork Broadcast Sub Group
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| ICIntegrated Circuit
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| ICCIncremental Coherent Carriers
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| ICCFIndustry Carriers Capability Forum
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| ICMPInternet Control Message Protocol
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| ICNIntegrated Community Network
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| ICSInternet Connection Sharing
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| ICSIntegrated Community System
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| ICTInformation & Communication Technology
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| IDCInternet Data Connector
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| IDDDInternational Direct Distance Dialing
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| IDEIntelligent Drive Electronics
Integrated hard disc controller
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| IDL Interface Definition Language
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| IDLC Integrated Digital Loop Carrier
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| IDS Intrusion Detection System
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| IDSL Integrated services Digital Subscriber Line
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| IDU Interface Data Unit
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| IE Information Element
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| IEC International Electrotechnical Commission
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| IEEE Institute for Electrical and Electronic Engineers |
| IETF |
Internet Engineering Task Force
| IF |
Intermediate Frequency
| IFS |
Internet File System
| IGMP |
Internet Group Management Protocol
| IGP |
Interior gateway Protocol
| IGRP |
Internet Group Management Protocol
| IIOP |
Internet Inter Orb Protocol
| IIS |
Internet Information Server
| IISP |
Interim Interswitch Signalling Protocol
Associated with ATM
| IKE |
Internet Key Exchange
| ILEC |
Incumbent Local Exchange Carrier
| ILMI |
Interim Local Management Interface
| IM |
InterModulation
| IMA |
Inverse Multiplexing over ATM
| IMAP Internet Message Access Protocol Protocol for manipulating email |
| IMEA International Mobile Equipment Identifier A 15 digit number that uniquely identifies an individual wireless phone
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| IMTC International Multimedia Teleconferencing Consortium
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| IMX / IMUX Inverse MultipleXer Combines bandwidths of seperate ISDN lines into a single pipe
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| INET IntraNET
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| IO Input Output Term used to describe the path of data in and out from a central processor to or from a storage location or input / output device |
| IOR Index Of Refraction
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| IP Internet Protocol The protocol used in gateways to connect networks at the OSI Network Layer ( layer 3) and above. IP routes a message across networks |
| IP |
Intelligent Peripherals
| IPDU |
Internet Protocol Data Unit
| IPI |
Intelligent Peripheral Interface
A high bandwidth interface between a computer and a storage device
| IPKI |
Internet Public Key Infrastructure
| IPL |
Initial Program Load
| IPNG |
Internet Protocol Next Generation
| IPP |
Internet Printing Protocol
| IPR |
Intellectual Property Rights
| IPS |
Interface Practices Subcommitte
| IPV |
Internet Protocol Version
| IPX |
Internet Packet eXchange
| IR |
Infra Red
| IRB |
Integrated Routing and Bridging
| IRC Internet Relay Chat Channel on the Internet used for chat as opposed to posting information |
| IRC |
Incrementally Related Carriers
| IRCANN |
Internet Corporation for Assigned Names and Numbers
| IRD |
Integrated Receiver Decoder
| IRDA |
InfraRed Data Association
| IRE |
Institute of Radio Engineers
| IRL |
Inter Repeater Links
| IRQ Interrupt Request An assigned address line identifying a device call to CPU |
| IRT Integrated Receiver Transmitter
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| ISA Industry Standard Architecture Common bus standards |
| ISAM |
Indexed Sequential Access Method
| iSCSI Internet Small Computer Systems Interface Transport protocol for SCSI that operates on top of TCP
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| ISDN Integrated Services Digital network An international telecommunications standard for transmission over digital lines. |
| ISM Industrial Scientific Medical
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| ISO International Standards Organisation Defines computer standards |
| ISP |
Internet Service Provider
Provides access to internet
| ISSA |
Information Systems Security Association
| ISSLL |
Integrated Services over Specific Link Layers
| ISUP |
ISDN User Part
| IT Information Technology
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| ITIL Information Technology Infrastructure Library Methodology of Best of Breed Pratices for the IT services market. |
| ITS |
Insertion Test Signal
| ITSM |
Information Technology Services Management
| ITSP |
Internet Telephony Service Provider
| ITU |
International Telecommunications Union
A body which sets telecommunications standards
| ITV |
Interactive TeleVision
| IUT Implementation Under Test
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| IVR Interactive Voice Response Commonly used by call centres / help desks to answer incoming calls and route to appropriate area
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| IXC |
Inter eXchange Carriers