-I-
I	Intra (JVT)
I&I	Interworking and Interoperability
I/G	Implementors Guide
I/O	Input/Output
IA	Implementation Agreement
IA	Interoperability Agreements
IAA	I Am Alive (emergency system)
IAB	Internet Architecture Board
IA5	International Alphabet No. 5, now called International Reference Alphabet (IRA)
IAC	Industry Advisory Committee/Council
IACM	Industry Advisory Committee Meeting (UL)
IAD	Integrated Access Device
IAEI	Israel Association of Electronics Industries
IAF	Internet Aware Fax (T.38)
IAM	Initial Address Message
IANA	Internet Assigned Number Authority
IAP	Intercept Access Point
IAS	Industrial Applications Society (IEEE)
IAT	Internet access time
IB	Indicator Bits
IBS	Intelligent Building Systems
IC	Impairment Combination
IC	Industry Canada
IC	Interexchange Carrier
ICA	Information Communication Architecture
I-CAN	Integrated Customer Access Network
ICANN	Internet Corporation for Assigned Names and Numbers
ICC	International Coordination Committee (ISO)
ICCID	Integrated Circuit Card ID
ICCF	Industry Carriers Compatibility Forum
ICD	International Code Designator
ICEA	Insulated Cable Engineers Association
ICF	InfoConfirm
ICF	Inter-Connection Function, e.g., a firewall
ICFA	International Computer Facsimile Association
ICG	Intersector Coordination Group
ICI	Inter Carrier Interference
ICMP	Internet Control Message Protocol
ICO	Intermediate Earth Orbit
ICP	IMA Control Protocol
ICS	Digital line interface to ISDN Compatible Station meeting requirements of TIA/EIA-579
ICS	Incoming Call Screening
ICS	Implementation Conformance Statement
ICS	Interoperability Compliance Statement (DSL Forum)
ICT	Information and Communication Technology (ETSI)
ICT	Integer Cosine Transforms
I-CTR	Interim Common Technical Requirements
ICTSB	Information and Communication Technology Standards Board
ICV	Integrity Check Value
ICWWG	Interagency Cellular and Wireless Working Group
ID	delay impairment value
ID	Identification
IDB	J2366 ITS Data Bus
IDC	Insulation Displacement Contact (TIA/EIA-568-B)
IDCT	Inverse Discrete Cosine Transform
IDEA	International Data Encryption Algorithm (Proprietary, from Ascom Tech. AG)
IDFT	Inverse Discrete Fourier Transform
IDL	Interface Design Language
IDLC	Integrated Digital Loop Carrier
I-D-QoS	Inter-Domain QoS
IDRA	Integrated Dispatch Radio System
IDS	Integrated Directory Service
IDSL	ISDN Digital Subscriber Line
IE	Information Element
IEB	Industrial Electronic Bulletin
IEC	International Electrotechnical Commission
IECEE	Compliance with IEC for Electrical Equipment
IEEE	Institute of Electrical and Electronic Engineers
IEMS	International Emergency Multimedia Services
IEPS	International Emergency Preference Scheme (ITU-T E.106 [2000])
IESG	Internet Engineering Steering Group
IETF	Internet Engineering Task Force
I-ETS	Interim ETS (ETSI Standard)
IF	Intermediate Frequency
IF	Isolation Filters
IF	Isolation Function
IFA	Informal FTP Area
IFAST	International Forum on AMPS Standards Technology (CTIA)
IFAX	Internet Facsimile
IFBCA	Internet Fax and Business Communications Association
IFFT	Inverse Fast Fourier Transform
IFP	Internet Facsimile Protocol
IG	Implementer's Guide
IG	Interoperability Group
IGMP	Internet Group Management Protocol
IIF	Interworking Interoperability Function
IIP	Itinerant Internet Protocol
IIR	Institute for International Research
IIS	Inteface Implementation Specifications (Telemanagement Forum)
IITF	Information Infrastructure Task Force
IL	Independent Lab
ILC	Identifier Length Content
ILD	Insertion Loss Deviation
ILEC	Incumbent Local Exchange Carriers
ILMI	Integrated Local Management Interface (ATM Forum)
IM	Instant Messaging
IM	Intensity Modulation
IM	Inter-modulation
IM	Internet Multimedia (3GPP)
IMA	Interactive Multimedia Association
IMA	Inverse Multiplexing for ATM
IMBE	Improved MultiBand Excitation
IMC	Internet Mail Consortium
IMD	Inter Modulation Distortion
IME	ILMI Management Entity
IME	Interface Management Entity
IMEI	International Mobile Equipment Identifier
I-mode	Idle mode
IMP	Internet Modem Protocol
IMPP	Instant Messaging and Presence Protocol (IETF)
IMRS	Interactive Multimedia Retrieval Services
IMS	Interactive Multimedia Services
IMSF	IS-41 Message Security Forum
IMSI	International Mobile Subscriber Identity
IMT	International Mobile Telecommunications (IMT-2000)
IMTC	International Multimedia Teleconferencing Consortium
I-MUX	Inverse-Multiplexing
IN	Intelligent Networking
INAA	Integrated Network Access Arrangement
INAP	Intelligent Network Application Profile
IN/B	Intelligent Network/Broadband
INC	International Carrier
INF	IN Forum
INMD	In-service Non-intrusive Measurement Device
INMETRO	Instituto Nacional de Metrologia, Normalizacion e Qualidad Industrial (Brazil)
iNOW	interoperability NOW!
INTAP	Interoperability Technology Association for Information Processing (Japan)
INTSERV	Integrated Services
IOL	InterOperability Laboratory (University of New Hampshire)
IOS	Inter-Operability Specifications
IP	Intellectual Property
IP	Intelligent Peripheral
IP	Internet Protocol (IETF)
IPAD	Internet Packet Assembler Disassember
IPAT	Internet Protocol Access Terminal
IPB	Improved PB
IP BCP	Internet Protocol Basic Call Processing (SG11)
IPBCP	IP Bearer Control Protocol
IPBX	Internet PBX
IPC	Insulation Piercing Contact (TIA/EIA-568-B)
IPCDN	IP over Cable Data Networks
IP-CME	Circuit Multiplication Equipment optimized for IP-based Networks
IPCP	Internet Protocol Control Protocol (RFC1332)
IPDC	IP Device Control
IPDR	IP Detail Record (Consortium)
IPDV	IP Packet Delay Variation
I-PDU	Information PDU
IPER	IP Packet Error Ratio
IPFN	IP Federating Network (SPAN14 and TIPHON project)
IPLR	IP Packet Loss Ratio
IPMP	Intellectual Property Management and Protection
IPN	Intelligent Packet Network
IPng	Internet Protocol - next generation
IPNS	ISDN PBX Network Specification
IPP	Internet Printing Protocol
IPPM	Internet Protocol Performance Metrics (IETF)
IPR	Intellectual Property Rights
IPSEC	IP Security (IETF)
IPT	Internet Protocol Telephony
IPTD	IP Packet Transfer Delay
iptel	Internet Protocol Telephony (IETF Working Group)
IPUI	International Portable User Identity
IPUI R	International Portable User Identity for public/GSM
IPv4	Internet Protocol version 4
IPv6	Internet Protocol version 6
IPX	Internetwork Packet eXchange
IRA	International Reference Alphabet
IRA	Internet Routing Address
IRDA	Infrared Interface Committee
IREG	ITU-T Recommendation Experiment Group
IRI	Intercept Related Information
IRM	International Roaming MIN
IRQ	Interworking Service Request identifier
IRR	Information Request Response
IRS	Intermediate Reference System
IS	Interim Standard (TIA)
IS	International Standard (ISO)
ISA	Industry Standard Architecture
ISC	International Softswitch Consortium
ISC	International Switching Center
ISCI	Inter-Symbol and Channel Interference
ISCRI	International Special Committee on Radio Interface
ISD	Independent Segment Decoding
ISD	Integrated Services Digital (TIA-646-B)
ISD	International Standards Development
ISDN	Integrated Services Digital Network
ISDN-BA	ISDN Basic Access
ISDN BRA	ISDN Basic Rate Access
ISDN-PA	ISDN Primary Access
ISD/TT	Integrated Services Digital/Tie Trunk
ISI	Inter Symbol Interference
ISIS	Information Society Initiatives in Standardization
ISLP	Intersystem Link Protocol
ISM	Industrial, Scientific, Medical
ISN	Interface Service Node
ISN	Interface Serving Node (SG11)
ISO	International Organization for Standardization
ISOC	Internet Society
ISOL	Integrated Services Over Low speed serial inks
ISP	International Standardized Profile
ISP	Internet Selective Polling
ISP	Internet Service Provider
ISPBX	Integrated Services Private Branch Exchange
ISPT	Italian PTT
ISRF	Internet Screenphone Forum
ISS	Inter-Satellite Service
ISSG	Internet Services Study Group (MSAF)
ISSLL	Integrated Services over Specific Links
ISSLOW	Integrated Services System for Low Bitrate Environments
IST	Integrated Services Trunk
IST	ISDN tie trunks
ISTO	Industry Standards and Technology Organization
ISTP	IPCablecom Signaling Transport Protocol
IST/TT	IST and other Tie Trunk
ISUP	ISDN User Part
ISWG	Interoperability Sub-Working Group (ADSL Forum)
IT	Information Technology
IT	Intermediate Trunk
ITAAB	ISDN Technical Advisory Ad hoc Board
ITAAG	ISDN Technical Advisory Ad hoc Group
ITAC	Information Technology Association of Canada
ITAC	ITU-T Advisory Committee
ITAD	Integrated Telephone Answering Device
ITAR	International Traffic in Arms Regulations
ITD	Interface Telecom Domotique
ITE	Information Technology Equipment
ITI	Information Technology Industry Council (formerly CBEMA)
ITIC	Information Technology Industry Council
ITL	Independent Testing Labs
ITM	Informative Test Methods
ITOC	Independent Telephone Operating Company
ITS	Institute for Telecommunications Sciences
ITS	Intelligent Transport System
ITSB	Image Technology Standards Board
ITSI	Individual TETRA Subscriber Identity
ITU	International Telecommunication Union
ITU-D	ITU - Development Sector
ITU-R	ITU - Radiocommunications Sector
ITU-T	ITU - Telecommunications Sector
ITU-TSB	ITU - Telecommunications Standardization Board
ITUDOCS	Electronic Document Service of ITU
ITV	Interactive Television
IUT	Implementation Under Test
I-V	Current - Voltage
IV	Initial Value
IV	Initialization Vector
IVCD	Initial Voice Channel Designation
IVN	Intervening Networks
IVP	Integrated Voice Protocol
IVPC	Integrated Voice Protocol and Commands
IVR	Interactive Voice Response
IVS	Integrated Video Services
IWF	Inter-Working Function
IWU	Interworking Unit
-J-
JADSL	ADSL for ISDN
JBIG	Joint Binary Image Group
JC	Joint Capabilities
JCCR	Joint Committee on Cellular Roaming
JCG	Joint Coordination Group
JDC	Japan Digital Cellular
JEEC	Joint ETSI/ECMA Committee
JEM	Joint Experts Meeting
JFIF	JPEG File Interchange Format
JITC	Joint Interoperability Test Center
JM	Joint Menu
JM	Joint test Model (JVT Group)
JND	Just Noticeable Difference
JPC	Joint Project Committee
JPCG	Joint Presidents Coordination Group (originally ISO/IEC, now also ITU)
JPT	Joint Project Team
JPEG	Joint Photographics Expert Group
JPG	Joint Presidents Group (CEN/CENELEC/ETSI)
JQG	Joint Question Group
JRG	Joint Rapporteurs Group
JSC	Joint Sectoral Committee
JSD	Joint Standards Documents
JTACS	Japanese TACS System
JTAPI	JAVA Telephony API
JTC	Joint Technical Committee
JVT	Joint Video Team (ISO/IEC MPEG Video + ITU-T Q6/16)
JURA	JPEG Utilities Registration Authority
JUSTINTAC	Joint User Supplier TIA ICEA NEMA Technical Advisory Committee
JWD	Joint Working Draft (JVT Group)
JWG	Joint Working Group
-K
KAME	Joint effort of seven companies in Japan to provide a free IPv6 and IPsec (for both IPv4 and IPv6) stack for BSD variants to the world
KLT	Karhunen-Loeve Transform
KTA	Key Technical Areas
KTS	Key Telephone System
KY	totally protected key systems (FCC Part 68 Form 730)
-L-
L2TP	Layer 2 Tunneling Protocol (IETF)
l2tpext	Layer 2 Tunneling Protocol Extensions (IETF)
LA	Local Application (T.611)
LA	Look Ahead
LAC	L2TP Access Concentrator
LAC	Link Access Control
LADC	Local Area Data Channels
LAES	Lawfully Authorized Electronic Surveillance
LAIC	Lawfully Authorized Intercept Capability
LAN	Local Area Network
LANE	LAN Emulation
LAP	Link Access Protocol
LAPB	Link Access Protocol B (ISDN-B Channel)
LAPD	Link Access Protocol D (ISDN-D Channel)
LAPF	Link Access Protocol - Frame
LAPM	Link Access Protocol for Modems (V.42)
LAPV	Link Access Protocol (G.964, G.965)
LAR	Log Area Ratio
LATA	Local Access Transport Area
LATN	Loop Attentuation
LB	Letter Ballot
LB	Loop Back (Rec. I.610)
LBC	Low Bit rate Coder
LBO	Line Build Out
LBS	Location Based Service
LC	Last Call (ITU, IETF)
LC	Layer-1/2 Converters (Q14/9, MediaHomeNet)
LC	Logic Channel
LCAP	Large Cell Access Profile
LCD	Liquid Crystal Display
LCD	Loss of Cell Delineation
LCF	Location Confirm
LCFO	Line Current Feed Open
LCF-PMD	Low Cost Fiber-Physical Medium Dependent
LCL	Longitudinal Conversion Loss
LCN	Logical Channel Number
LCP	Link Control Protocol
LCTL	Longitudinal Conversion Loss Transfer
LD	Long Distance
LDAP	Lightweight Directory Access Protocol
LDCELP	Low Delay CELP
LDDS	Limited Distance Data Service
LDLL	Limited Degradation of the Long Loop
LDM	Limited Distance Modem (CS-03)
LDP	Label Distribution Protocol
LDPA	Light Document Printing Architecture
LDPC	Low Density Parity Check
LDS	Local Digital Switch
LDSL	Long Reach DSL
LE	Local Exchange
LEC	Local Exchange Carrier
LEO	Low Earth Orbit
LEP	Leaving EC Pattern
LES	Loop Emulation Service
LHS	Left Hand Side
LI	Lawful Interception
LISN	Line Impedance Stabilization Network
LL	Leased Line
LLC	Logical Link Control
LLI	Lower Layer Information
LLID	Loopback Location Identifier (Rec. I.610)
LMCO	Lockheed Martin Corporation and Ericsson
LMCS	Local Multipoint Communications System
LMDS	Local Multi-point Distribution Service
LMF	Location Management Function
LMR	Land Mobile Radio
LMS	Land Mobile Service
LMS	Loop Management System
LMSI	Local Mobile Station Identity
LN	Link Attention (V.42 Annex A)
LNP	Local Number Portability
LNS	L2TP Network Server
LO	Local Oscillator
LOI	Letter of Intent
LON	Local Operating Networks
LOO	Likelihood of Occurrence
LOS	Loss of Signal
LOSQ	Listening Only Speech Quality
LP	Loop Provider
LPC	Linear Predictive Coding
LPF	Low Pass Filter
LPIC	Primary / Presubscribed Interexchange/IntraLATA Carrier
LR	Local Response form (DSL Forum)
LR	Loudness Rating
LRCC	Last Registration Control Channel
LRE	Low bit Rate Encoding
LRF	Location Registration Function
LRFD	Load and Resistance Factor Design
LRJ	LocationReject
LRMS	Low Rate Messaging Service
LRN	Location routing number for LNP
LRQ	Location Request
LS	Lossless and near Lossless
LSAS	Line-Side Answer Supervision
LSB	Least Significant Bit
LSD	Low Speed Data channel
LSG	Lead Study Group
LSO	Loopback Service Options (cdma2000)
LSOG	Local Service Ordering Guidelines
LSOP	Local Service Ordering and Provisioning Committee
LSP	Line Spectral Pair
LSP	Local Service Provider
LSQ	Listener Speech Quality
LSSGR	LATA Switching Systems Generic Requirements (Bellcore)
LSTR	Listener Sidetone Rating
LT	Line Termination
LTP	Long Term Prediction
LTU	Line Terminating Unit
LU	Logical Unit
LUS	Location Update Service
LVD	Low Voltage Directive
LVDS	Low Voltage Differential Signaling
LW	Long Wave
LZJH	Lempel-Ziv-Jeff.Heath
LZW	Lempel-Ziv-Welch algorithm
-M-
MA	Moving Average
MA	Mobile Service
MAC	Management Ad Hoc Committee (TR-41)
MAC	Media Access Control
MACA	Mobile Assisted Channel Allocation
MAE	Mean Absolute Error
MAH	Mobile Access Hunting
MAHO	Mobile Assisted Handoff
MAP	Media Access Procedure
MAP	Mobile Application Part
MAPI	Messaging API
MAPI	Microsoft API
MASA	Multimedia Services Affiliate Forum
MA-THD	Multi Amplitude Total Harmonic Distortion
MATLAB	MathWorks
MATV	Master Antenna Television
MAWG	Message Attachment Work Group
MB	Macro Block
MBA	Macroblock Address (H.263)
MBE	Multi-Byte Extension
MBFT	Multipoint Binary File Transfer
MBMP	Modem Bank Management Protocol
MBN	Multiservice Broadband Networks
MC	Message Center
MC	Multipoint Controller (H.323)
MCBPC	Macroblock type & Coded Block Pattern for Chrominance
MCC	Mobile Country Code
MCC	Modem Control Channel
MCCC	Multiple Concatenated Convolutional Codes
MCD	Mobile Communications Division
MCF	Message Confirmation (T.30)
MCID	Multi-line Caller Identification
MCM	Multi-Carrier Modulation
MCP	Motion Compensated Prediction
MCPE	Motion Compensated Prediction Error
MCNS	Multimedia Cable Network System
Mcps	Megachips per second
MCS	Multi-point Control Services (T.122)
MCU	Multi-point Control Unit
MCV	Multipoint Command Visualization
MD-IS	Mobile Data Intermediate System
MD	Manufacturer Defined
MDBS	Mobile Data Base Station
MDC	Manufacturer Declaration of Conformity
MDC	Multiple Description Coding
MDCP	Media Device Control Protocol
MDCR	Minimum Desired Cell Rate
MDELFEXT	Multiple-Disturber Equal-Level Far-End Crosstalk
MDF	Mux Data Frame
MDI	Media Dependent Interface
MDI	Medium Dependent Interface
MDLP	Mobile Data Link Protocol
MDN	Message Disposition Notification
MDN	Mobile Directory Number
MDTP	Multi-network Datagram Transmission Protocol
MDU	Multi-Dwelling Unit
ME	Managed Entity
ME	Mobile Equipment
ME	Motion Estimation
MED	Multiplexer Entry Descriptor
Megaco	MEdia GAteway Control Protocol (IETF)
Megacop	MEdia GAteway COntrol Protocol
MEI	Multiple Extension Interworking
MEI	Multiple Extension In use (TIA/EIA-777-A)
MELP	Mixed Excitation Linear Prediction
MER	Message Error Rate
MERS	Minimal Essential Requirements
M-ES	Mobile End System
MES	Mobile Earth Station
MF	fully protected hybrid systems (FCC Part 68 Form 730)
MF	Multi-tone Frequency
MFFA	Macroblock-Frame-Field-Adaptive
MFJ	Modified Final Judgment
MFP	Multi-Function Peripheral
MFPA	Multi-Function Peripheral Association
MFPI	Multi-Function Peripheral Interface
MFPL	Multi-Function Peripheral Language
MFPP	Multi-Function Packet Protocol
MG	Management Group
MG	Media Gateway
MGC	Media Gateway Controller
MGCP	Media Gateway Control Protocol
MGT	Mobile Global Title
MH	MultiHypothesis motion pictures (H.26L)
MHEG	Multimedia and Hypermedia Experts Group
MHP	Multimedia Home Platform
MHS	Message Handling System X.400
MI	Miscellaneous Work Item (ETSI)
MI	Mode Indicator
MIB	Management Information Base
MIDCOM	Middlebox Communication (IETF)
MIF	Management Information File
MIGG	MRA Implementation Guide Group
MII	Ministry of Industry Information (China)
MIM	Man in the Middle
MIME	Multipurpose Internet Mail Extension (IETF)
MIMO	Multi-Input-Multi-Output
M-IN	Multimedia Intelligent Networking
MIN	Mobile Identification Number
MIN	Mobile Intelligent Network
MIP	Mobile Internet Protocol
MIPS	Million Instructions Per Second
M-IRS	Modified IRS
MIRS	Multimedia Information Retrieval Services
MIV	Multipoint Indication Visualization
ML	Maximum Likelihood
MLC	Multiple Logical Channel
MLFR	Multi Link Frame Relay (FRF)
MLP	Multi-Layer Protocol
MLPP	Multi-Level Precedence and Preemption
MLPPP	Multi Link PPP
MLT	Modulated Lapped Transform
MLTS	Multi-Line Telecommunications Systems
M-LVDS	Multipoint Low Voltage Differential Signaling
MLWW	Multi Layered Winding Wire
MM	Mass Media (FCC)
MM	Mobility Management
MM	MultiMedia
MM	Multimode
MMAP	Mobility Management Application Protocol (T1S1)
MMBAN	Multi Media Broadband Access Nodes
MMC	Multiple Modulus Conversion
MMCF	Multimedia Communications Forum
MMCOI	Multimedia Communications Community of Interest
MMDS	Multichannel Multipoint Distribution Service
MMF	Multi Mode Optical Fiber
MMG	Multimedia Management Group (ETSI)
MMH-MAC	Multilinear Modular Hash - Message Authentication Code
MMI	Man-Machine Interface (TTT Services)
MMI	Modem Management Interface
MMITS	Modular Multifunction Information Transfer System
mml	mobile multilink
MMO	Modem Managed Objects
MMoMBN	Multimedia over MBN
MMR	Modified Modified Read
MMRA	Model Mutual Recognition Agreement
MMS	Multimedia Messaging Service
MMUSIC	Multiparty Multimedia Session Control (IETF)
MNA	Management Network Architecture
MNC	Mobile Network Codes
MNE	Mobile Network Entity
MNLP	Mobile Network Location Protocol (IS-732-501)
MNP4	Microcom Networking Protocol
MNRP	Mobile Network Registration Protocol
MNRU	Modulated Noise Reference Unit
MO	Mobile Originated
MOCS	Managed Objects Conformance Statements
MODB	Macroblock mode for B-blocks
MoDSL	Modems over DSL
MOH	Modem on Hold
MoIP	Modems over Internet Protocol
MOPS	Million Operations Per Second
MOS	Mean Opinion Score
MoU	Memorandum of Understanding
MOU	Memorandum of Understanding
MP	Measurement Point
MP	Media Player
MP	Modulation Parameter
MP	Multipoint Processor (H.323)
MPC	Mobile Position Center
MPCI	Mobile Protocol Capability Indicator
MPD	Mode Power Distribution
M-PDU	Meta Protocol Data Unit
MPE	Maximum Permissive Exposure
MPEG	Motion Picture Experts Group(ISO/IEC)
MPI	Minimum Picture Interval
MPh	Half Duplex Modulation Parameters in the V.34 negotiation
MPL	Multiplex Payload Length field
MPLS	Multi-Protocol Label Switching (IETF)
MP-MLQ	Multi-Pulse - Maximum Likelihood Quantizer
MPMU	Meta Protocol Message Unit
MPOP	Main Point of Penetration (where phone lines enter the residence)
MPPC	Microsoft Point to Point Compression
MPS	Minimum Performance Specification
MPS-TC	Management Protocol Specific - Transmission Convergence
MPU	Multiple Port Unit
MQ	Modified Quantization
MQLVS	Multi-Quality Layered Video Service
MR	Mode Request
MR	Modem Relay
MR	Modified Read
MR	MultiRate
MRA	Mutual Recognition Agreements
MRC	Mixed Raster Content
MRE	Mode Request
MRD	Market Requirements Document
MRM	Meeting Room Management
MRP	Markov Renewal Process
MRPC	Multipoint Remote Procedure Call
MRU	Maximum Receive Unit
MS	Management Services
MS	Microsoft
MS	Mobile Station
MS	Mode Select
MSAF	Multimedia Services Affiliate Forum
MSB	Manufacturer Specified Blocks
MSB	Most Significant Bit
MSBN	MultiService Broadband Network
MSC	Message Sequence Chart
MSC	Mobile Switching Center
MSC	Multi-mode Source Controlled
MSC-BC	Mobile Switching Center - Base Center
MSCID	Mobile Switching Center Identification
MSCIN	Mobile Switching Center Identification Number
MSC-VBR	Multi-mode Source Controlled Variable Bit-Rate
MSD	Master Slave Determination
MSD	Minimum Significant Difference
MSDL	MPEG-4 Syntactic Description Language
MSDN	Multi-Service Data Network
MSE	Mean Squared Error
MSF	Multiservice Switching Forum
MSI	Manufacturer Specific Information
MSI	Maximum Symbol Inversion
MSID	Mobile Station Identity
MSIN	Mobile Station INput (GSM)
MSIN	Mobile Subscriber Identification Number
MSISDN	Mobile Station ISDN
MSJ	Multiple Selective Reject
MSLT	Minimum Scan Line Time
MSN	Microsoft Network
MSN	multiple subscriber numbering
MSO	Markov Service Option (cdma2000)
MSR	Market Service Requirement
MSR	Multiple Service Ring
MSR	Multi-Selective Reject
MSS	Mobile Satellite Services
MSSF	Multi Service Switching Forum
MST	MESSAGE TYPE field
MSWG	Mobile Services Working Group (NAFTA/CCT)
MT	Mobile Terminal
MT	Mobile Terminated
MT	Mode Toggle
MT	Type of commercial fiber optic connector
MT2	Cellular User's Mobile Termination
MTA	Major Trading Area
MTA	Multimedia Terminal Adapter (SG9)
MTA	Multimedia Terminal and Applications
MTH	Module Telecom Home
MTIE	Maximum Time Interval Error
MTM	Mobile Test Model
MTP	Message Transfer Part
MTP	Message Transfer Point
MTP	Multicast Transport Protocol
MTP/SO	Multiple Transport Protocol/Self Organizing
MTS	Methodology of Test Suites
MTS	Methods for Testing and Specification (ETSI TC)
MTSO	Mobile Telephone Switching Office
MTTCM	Multi-tone Turbo Trellis Coded Modulation
MTU	Maintenance Terminating Unit
MTU	Maximum Transfer Unit
MTU	Multiple Terminal Unit (DSL Forum)
MUB	Multi-Use Bearer Service
MUSHRA	Multi Stimulus test with Hidden Reference and Anchor
MUT	Modem Under Test
MUTOA	Multi-User Telecommunications Outlet Assemblies
MUX	Multiplexer
MV	Membership Vote (ETSI)
MV	Motion Vector
MVA	Multipoint Visualization Achieved
MVBR	Multimode Variable Bit Rate
MVC	Mobile Video Coder
MVC	Multipoint Visualization Capability
MVD	Motion Vector Data
MVNO	Mobile Virtual Network Operator
MVPD	Multi-channel Video Programming Distributor
MVR	Multipoint Visualization Refused/Revoked
MVV	Multirate/VAD VBR
MW	Mid Wave
MWC	Multi-Way Calling
MWI	Message Waiting Indication
MWIF	Mobile Wireless Internet Forum
MWN	Message Waiting Notification

More Acronym Definitions: