MAC Media Access Control (ISO-OSI) MAC Move, Add, and Change MAC Message Authentication Check MADMAN Mail And Directory MANagement (IETF - RFC1566 - x statistiche e-mail via SNMP) MAN Metropolitan Area Network MAP Manufacturers Automation Protocol MAP Media Access Protocol MAP Maximum A Posteriori probability MAP Mobile Application Part (SS7) MAPI Messaging API (Microsoft) MATV Master Antenna TV MAU Medium Attachment Unit (LANs, Ethernet) MAU Multistation Access Unit (Token Ring) MBC Megahub Basis Controller MBO Management By Objective Mbps Mega (million) bits per second MBS Maximum Burst Size (ATM) MCA Micro Channel Architecture MCPC Multiple-Channel-Per-Carrier - una tecnica di FDMA, FM/FDM/FDMA MC-TDMA Multicarrier TDMA MCU Master Control Unit MCU Multipoint Control Unit (H.323) MDBS Mobile Database Station MD-IS Mobile Data Intermediate System MDN Microcellular Data Network (radio SS della Metricom) MEGACO MEdia GAteway COntrol (H.248) (VoIP) MEO Medium Earth Orbit M-ES Mobile End System MES Master Earth Station MF Multi-Frequency MFJ Modification of Final Judgment MFN Most Favored Nation MFN Multi-Frequency Network MG Media Gateway (VoIP) MGCP Media Gateway Control Protocol (VoIP) MHS Message Handling Service (Netware) MIB Management Implementation Base MIB Management Information Base (SNMP) MIC Ministry of Information and Communications MIC Media Interface Connector MIC Media Interface Connector MICR Magnetic Ink Character Recoglnition (reti neurali) MIDI Musical Instrument Digital Interface MIF Mean Information Field MII Media Independent Interface (ethernet 100Mbit) MIME Multipurpose Internet Messaging/Mail Extensions (RFC 1521 Internet std. 1992) Mips Million instructions per second MIS Management Information System MIS Marketing Intelligence System MLSE Ricevitori a Massima Verosimiglianza (Maximum Likelihood) MMC MultiMedia Controller MMCD MultiMedia CD MMDS Microwave Multipoint Distribution System MMDS Multichannel Multipoint Distribution System MMDS Microwave Multichannel Distribution System MMS Multimedia Messaging Service MMUSIC Multiparty Multimedia Session Control MOD Movies On Demand MOS Mean Opinion Score MOU Minutes of Use MPEG Moving Picture Expert Group MPLS Multi Protocol Label Switching (VPN) MPMLQ Multi-Pulse Maximum Likelihood Quantization MPMP Microve Point-to-MultiPoint MPOA MultiProtocol Over ATM MPP Massively Parallel Processor MRA Mutual Recognition Agreements MS Meta-Server MS Mobile Station MSAT Mobile SATellite MSAU MultiStation Access Unit (Token Ring) MSC Mobile Switching Centres (GSM) MSK Minimum Shift Keying MSNet Multiplexed Subscriber Network MSO Mobile Switching Office MSO Multiple System Operators MSRN Mobile Station Roaming Number (GSM) MSS Mobile Satellite Service MTA Metropolitan Trading Area mtbf mean time between failures MTBI Mean Time Between Incidents MTP Messager Transfer Point (GSM) MTS Message Telecommunications Service MTS Mobile Telephone Service MTSO Mobile Telephone Switching Office (cellulare) MTTF Mean Time To Failure MTTR Mean Time To Repair MTU Maximum Transmission[/Transfer] Unit MVDS Multichannel Video Distribution System MWG Multimodal Working Group MX Mail eXchange (DNS)