600+ Telecom and Electronic Full Form – Abbreviation List

Today all people directly or indirectly connected with telecommunications. Through this telecommunication system, we can send information such as audio, video, messages from one device to another. In this telecommunications system, information is transmitted from one device to another in the form of electromagnetic signals known as carrier waves. Telecom is a universal word that comes from telecommunications.

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Below is the list where we have discussed more than 600 electronics and telecommunication related full form and we hope this list will be helpful for everyone but mainly for those who are studying in the field of electronics or telecommunication engineering.

Telecom and Electronic Full Form – Abbreviation List are given below

    No.AcronymFull Form
    1GSM Global System for Mobile (Communication)
    2GPRS General Packet Radio Service
    3NAP Network Access Point
    4ISD International Subscriber Dialing
    5CDMA Code Division Multiple Access
    6BSC Base Station Controller
    7RFT Radio Frequency Transmitter
    8GEO Geostationary Earth Orbit
    9DSS Direct Satellite Services
    10SDLC Synchronous Data Link Control
    11IMSI International Mobile Subscriber Identity
    12SMSC Gateway Mobile Switching Center
    13DTA Data Transfer Adapter
    14DTC Digital Traffic Channel
    15IVRS Interactive Voice Response System
    16CGSA Cellular Geographic Service Areas
    17RNC Radio Network Controller
    18NPDB Number Portability Database
    19BFS Broadcast File System
    20BGCF Breakout Gateway Control Function
    21BGP Border Gateway Protocol
    22BIU Broadband Interface Unit
    23BRAS Broadband Remote Access Server
    24BOPL Broadband Over Power Line
    25BRI Brand Rating Index
    26BRS Broadband Radio Service
    27TMN Telecommunication Management Network
    28UMTS Universal Mobile Telecommunications System
    29FLAG Fiber Link Around the Globe
    30VPS Voice Processing System
    31DPCM Differential Pulse Code Modulator
    32VMS Voice Mail System
    33PAD Packet Assembler And Disassembler
    34PCN Personal Communications Network
    35VAC Voltage Alternating Current
    36ATC Alarm Traffic Controller
    37AFC Automatic Frequency Control
    38PDC Personal Digital Cellular
    39WAP Wireless Application Protocol
    40WCDMA Wideband Code Division Multiple Access
    41OMF Object Management Framework
    42FM Frequency Modulation
    43PCO Public Call Office
    44FDM Frequency Division Modulation
    45FSS Fixed Satellite Service
    46LEO Low Earth Orbit
    47MAP Mobile Application Part
    48POTS Plain Old Telephone Service
    49kHz kilohertz (thousand hertz)
    50MHz Megahertz (million hertz)
    51AVC Advanced Video Coding
    52AVI Advanced Video Interface
    53AWGN Additive White Gaussian Noise
    54BDF Broadband Digital Forward
    55BDR Baseband Digital Reverse
    56BERT Bit Error Rate Test
    57BMS Business Management System
    58BPF Band-Pass Filter
    59UPR User Performance Requirements
    60GMRS General Mobile Radio Service
    61SGSN Serving GPRS Support Node
    62PDSN Packet Data Switched Network
    63AUC Authentication Center
    64PUK PIN Unblocking Key
    65SIS Subscriber Identity Security
    66SIM Subscriber Identity Module
    67UMTS Universal Mobile Telecommunication System
    68IMN Intelligent Mobile Network
    69VLR Visitor Location Register
    70BPI Baseline Privacy Interface
    71DCF Dispersion Compensating Fiber
    72DCR Digital Cable Ready
    73CTO Chief Technology Officer
    74ATM Asynchronous Transfer Mode
    75ATM Automated Teller Machine
    76DCP Device Control Protocol
    77ACTS Advanced Communication Technology Satellite (NASA)
    78CLASS Custom Local Area Signaling Services
    79POC Point Of Contact
    80DATE Duly Authorized Telecommunications Entity
    81FOB Free On Board
    82IFIntermediate Frequency
    83BOD Bandwidth on Demand
    84DID Direct Inward Dialing
    85BOT Build Operate Transfer
    86CAP Competitive Access Provider
    87IN Intelligent Network
    88CGI Common Gateway Interface
    89FAT Factory Acceptance Test
    90POM Project Office Manager
    91POP Point of Presence
    92COO Chief Operating Officer
    93AMPS Advanced Mobile Phones System
    94SDI Secure Digital Interface
    95SRTP Secure Real-time Transport Protocol
    96SSL Secure Sockets Layer
    97TCAP Transaction Capabilities Application Part
    98TCM Tandem Connection Monitoring
    99UNI User Network Interface
    100VPI Virtual Path Identifier
    101WSS Wavelength Selective Switch
    102VPLS Virtual Private LAN Service
    103UPS Uninterruptible Power Supply
    104TCO Total Cost of Ownership
    105TCP Transmission Control Protocol
    106SSM Source Specific Multicast
    107SSMF Standard Single Mode Fiber
    108SMF Single Mode Fiber
    109SMS Service Management System
    110SDMI Secure Digital Music Initiative
    111SDP Session Description Protocol
    112DBS Direct Broadcast Satellite
    113DC Direct Current
    114DCA Digital Cable Application
    115CSS Content Scrambling System
    116CSV Comma Separated Value
    117BSS Business Support System
    118TRAI Telecom Regulatory Authority Of India
    119ASR Access Switch Router
    120ASTB Advanced Set-Top Box
    121BTS Business Telecom Services
    122CORBA Common Object Request Broker Architecture
    123COT Central Office Terminal
    124CTAM Cable & Telecommunications Association for Marketing
    125CTB Composite Triple Beat
    126CTIA Cellular Telecommunications and Internet Association
    127DCC Data Communication Channel
    128DCD Downstream Channel Descriptor
    129CEA Consumer Electronics Association
    130CEP Cable Entry Point
    131CIFS Common Internet File System
    132CNR Carrier-to-Noise Ratio
    133CSO Composite Second Order
    134CSR Customer Service Representative
    135COLD Central Office Layout Design
    136COPS Common Open Policy Service
    137CIM Common Information Model
    138CIR Committed Information Rate
    139CER Codeword Error Ratio
    140CES Circuit Emulation Service
    141ODA Outlet Digital Adapter
    142ODRL Open Digital Rights Language
    143CRL Certificate Revocation List
    144CRM Customer Relationship Management
    145ASIC Application-Specific Integrated Circuit
    146ASM Asset Management System
    147ASP Average Selling Price
    148FSK Frequency Shift Keying
    149FTMD Full Track Music Download
    150CDR Call Detail Record
    151CD-ROM Compact Disk-Read Only Memory
    152CMTS Cable Modem Termination System
    153OEM Original Equipment Manufacturer
    154OEPL Optical Ethernet Private Line
    155CMOS Complimentary Metal-Oxide Semiconductor
    156CMS Call Management Server
    157DMCA Digital Millennium Copyright Act
    158DMH Degraded Modem Hours
    159DSP Digital Signal Processor
    160DSSS Direct Sequencing Spread Spectrum
    161EAS Emergency Alert System
    162ECR Efficient Consumer Response
    163EPON Ethernet Passive Optical Network
    164EPRI Electric Power Research Institute
    165FCRC Fragment Cyclic Redundancy Check
    166FDD Frequency Division Duplexed
    167SDB Switched Digital Broadcast
    168SDH Synchronous Digital Hierarchy
    169SLIC Subscriber Line Interface Card
    170SLM Signal Level Meter
    171SRM System Resource Manager
    172SRS Stimulated Raman Scattering
    173SVOD Subscription Video on Demand
    174SVP Secure Video Processor
    175UGS Unsolicited Grant Service
    176UHF Ultra High Frequency
    177UMA Unlicensed Mobile Access
    178UNE Unbundled Network Element
    179VLAN Virtual Local Area Network
    180VLL Virtual Leased Line
    181WPE Wireless Plant Extension
    182WRED Weighted Random Early Detection
    183EPG Electronic Program Guide
    184DSCP Differentiated Service Code Point
    185DSL Digital Subscriber Line 
    186DMA Designated Marketing Area
    187DMC Dual Modem Cards
    188DAS Direct Attached Storage
    189DAT Digital Audio Tape
    190DBPSK Differential Binary Phase Shift Keying
    191CPE Customer Premises Equipment
    192CRA Contention Resolution Algorithm
    193ASCII American Standard Code for Information Interchange
    194ASI Asynchronous Serial Interface
    195BTSC Broadcast Television Systems Committee
    196CAB Cable Advertising Bureau
    197CAC Call Admission Control
    198RAID Redundant Array of Inexpensive Disks
    199RBOC Regional Bell Operating Company
    200ROAP Rights Object Acquisition Protocol
    201ROB Return on Bandwidth
    202SPP Serial Port Profile
    203SPTS Single Program Transport Stream
    204STS Synchronous Transport Signal
    205SUT System Under Test
    206TSR Technical Service Representative
    207TSS Telephony Switching Sub-System
    208UCC Upstream Channel Change
    209VER Virtual Ethernet Ring
    210WPA Wireless (Wi-Fi) Protected Access
    211WPAN Wireless Personal Area Network
    212VPN Virtual Private Network
    213VRF Virtual Routing and Forwarding
    214VHF Very High Frequency
    215VHS Video Home System
    216PID Packet Identifier
    217PKI Public Key Infrastructure
    218PLC Packet Loss Concealment
    219PVC Private Virtual Circuit
    220PVR Personal Video Recorder
    221QAM Quadrature Amplitude Modulation
    222RKS Record Keeping Server
    223RMS Root Mean Square
    224RNOC Regional Network Operations Center
    225SIP Session Initiation Protocol
    226SLA Service Level Agreement
    227SLC Shorten Last Codeword
    228STM Synchronous Transport Module
    229STP Spanning Tree Protocol
    230WAN Wide Area Network
    231WCD Wideband Channel Descriptor
    232WCM Wideband Cable Modem
    233EML Externally Modulated Laser
    234EMM Entitlement Management Message
    235EMS Element Management System
    236DVR Digital Video Recorder
    237DVS Digital Video Standard
    238DWDM Dense Wavelength Division Multiplex
    239CLV Consumer Lifetime Value
    240CMLA Content Management License Administrator
    241CCM Constant Coding and Modulation
    242CCS Centum Call Seconds
    243ATSC Advanced Television Systems Committee
    244AUP Acceptable Use Policy
    245CD Compact Disc
    246CDC Connected Device Configuration
    247LRU Least Recently Used
    248LSB Least Significant Byte
    249LCP Local Convergence Point
    250LCS Line Code Signaling
    251IAG Interactive Advertising Guidelines
    252IAMS Intelligent Asset Management System
    253HDT Host Digital Terminal
    254HDTV High Definition Television
    255HIT Headend Interface Terminal
    256CSH Central Switch Homerun
    257CLI Command Line Interface
    258CLR Common Language Run-time
    259ARIB Association of Radio Industries and Businesses
    260ARIN American Registry of Internet Numbers
    261PON Passive Optical Network
    262POS Packet Over SONET
    263PSP Packet Streaming Protocol
    264PSQ Packet Streaming Queue
    265PTS Program Transport Stream
    266PVC Permanent Virtual Circuit
    267RIN Relative Intensity Noise
    268RIP Routing Information Protocol
    269SPE Synchronous Payload Envelope
    270SPM Self phase modulation
    271STG Subscriber Telephony Gateway
    272TRP Target Rating Points
    273TSI Time Slot Interchange
    274VCR Video Cassette Recorder
    275VDC Volts Direct Current
    276WLAN Wireless Local Area Network
    277WME Wireless Media Extension
    278PSI Program Specific Information
    279PSIP Program and System Information Protocol
    280RFP Request for Proposal
    281RIAA Recording Industry Association of America
    282SAW Surface Acoustic Wave
    283SBC Switched Broadcast Client
    284SBM Switched Broadcast Manager
    285SNMP Simple Network Management Protocol
    286SOA Semiconductor Optical Amplifier
    287SOAP Simple Object Access Protocol
    288TNCS Transmission Network Control System
    289TRI Telephony Return Interface
    290VCI Virtual Channel Identifier
    291VCM Variable Coding and Modulation
    292IPATInternet Protocol Access Terminal
    293IPDR Internet Protocol Detail Record
    294IPDT Internet Protocol Digital Terminal
    295HSS Home Subscriber Server
    296HTPC Home Theatre Personal Computer
    297GSRM Global System Resource Manager
    298GUI Graphical User Interface
    299GVRP GARP VLAN Registration Protocol
    300FCC Federal Communications Commission
    301FCP Fiber Channel Protocol
    302EPL Ethernet Private Line
    303CSCF Call State Control Function
    304DLNA Digital Living Network Alliance
    305CPD Common Path Distortion
    306DAC Digital Addressable Controller
    307DARPA Defense Advanced Research Projects Agency
    308CLE Customer Located Equipment
    309CLEC Competitive Local Exchange Carrier
    310CCI Content Control Information
    311CCK Complimentary Code Keying
    312ARCNET Attached Resource Computer Network
    313ARF Advertising Research Foundation
    314PBX Private Branch Exchange
    315PCI Peripheral Connect Interface
    316PCR Program Clock Reference
    317PRM Polarization Recovery Module
    318PRNG Pseudo Random Number Generators
    319RFC Request for Comment
    320SAP Service Access Point
    321SARA Scientific-Atlanta Resident Application
    322SATA Serial Advanced Technology Attachment
    323SCP Service Control Platform
    324SCR Silicon Controlled Rectifier
    325SCSI Small Computer System Interface
    326SHDB Switched High-definition Digital Broadcast
    327SIC Standard Industrial Classification
    328TELR Talker Echo Loudness Rating
    329TKIP Temporal Key Integrity Protocol
    330VBR Variable Bit Rate
    331VCAT Virtual Concatenation
    332VSAT Very Small Aperture Terminal
    333VTS Video Transport Service
    334HSD High Speed Data
    335HSDPA High Speed Downlink Packet Access
    336HSI High-Speed Internet
    337GPS Global Positioning Satellite
    338GRE Generic Routing Encapsulation
    339GRM Global Resource Manager
    340EIR Excess Information Rate
    341EMI Electro-Magnetic Interference
    342DRAM Dynamic Random-Access Memory
    343DRM Digital Rights Management
    344DSA Dynamic Service Addition
    345DHWG Digital Home Working Group
    346DLCI Data Link Connection Identifier
    347DLL Data Link Layer
    348CBT Computer Based Testing (or Training)
    349CCDF Complementary Cumulative Distribution Function
    350API Application Programming Interface
    351APSK Amplitude Phase Shift Keying
    352VAG Voice Access Gateway
    353VBI Vertical Blanking Interval
    354RTSP Real Time Streaming Protocol
    355SAG Synthetic Analog Gateway
    356SAN Storage Area Network
    357PRBS Pseudo-Random Binary Sequence
    358PRI Primary Rate Interface
    359PBIA Personal Broadband Industry Association
    360PBP Personal Basis Profile
    361PBR Policy Based Routing
    362NID Network Interface Device
    363NIS Network Infrastructure Solutions
    364MSC Mobile Switching Center
    365MSPP Multi-Service Provisioning Platform
    366MTA Multimedia Terminal Adapter
    367MVNO Mobile Virtual Network Operator
    368MDU Multiple Dwelling Unit
    369MEMS Micro-Electro-Mechanical Systems
    370LMP Link Management Protocol
    371LOS Loss of Signal
    372LPCM Linear Pulse Code Modulation
    373OSC Optical Supervisory Channel
    374OSI Open Systems Interconnect
    375NTSC National Television System Committee
    376NEMA National Electrical Manufactures Association
    377NEMS Network Element Management System
    378NGNA Next Generation Network Architecture
    379MPLS Multi Protocol Label Switching
    380MPTS Multiple Program Transport Stream
    381MSB Most Significant Byte
    382MDA Model Driven Architecture
    383MDR Mobile Digital Recorder
    384LMDS Local Multipoint Distribution Service
    385LMI Link Management Interface
    386LATA Local Access and Transport Area
    387LCAS Link Capacity Adjustment Scheme
    388NDVR Network Digital Video Recording
    389NEBS Network Equipment Building System
    390LED Light Emitting Diode
    391LLC Logical Link Control
    392ISTP Internet Signaling Transport Protocol
    393HPNA Home Phoneline Networking Alliance
    394HPOV Hewlett Packard Open View
    395HQ High Quality
    396HSA High Speed Access
    397FSN Full Service Network
    398FSO Free Space Optical
    399FTP File Transfer Protocol
    400EDGE Enhanced Data-Rates for Global Evolution
    401EIA Electronics Industry Association
    402DFB Distributed Feedback
    403DHCP Dynamic Host Configuration Protocol
    404DHEI Digi-Cable Headend Expansion Interface
    405CATV Community Antenna Television
    406CBRConstant Bit Rate
    407ADSL Asymmetric Digital Subscriber Line
    408AES Advanced Encryption Standard
    409OMG Object Management Group
    410ONDS Optical Node Distribution Switch
    411ONT Optical Network Termination
    412PESQ Perceptual Evaluation of Speech Quality
    413PHS Payload Header Suppression
    414RTP Real-time Transport Protocol
    415RTPS Real Time Polling Service
    416SCMS Serial Copy Management System
    417SCO Synchronous Connection Oriented
    418SES Severely Errored Seconds
    419SGC Signaling Gateway Controller
    420UTI Universal Transport Interface
    421UTP Unshielded Twisted Pair-Cable
    422VAD Voice Activity Detection
    423WECA Wireless Ethernet Compatibility Alliance
    424WEP Wired Equivalent Privacy
    425AOD Advertising On Demand
    426APD Avalanche Photo Diode
    427PPT Power Passing Tap
    428PPTP Point-to-Point Tunneling Protocol
    429RCA Root Cause Analysis
    430RDI Remote Defect Indicator
    431ROI Return on Investment
    432RTN Regional Transport Network
    433RTOS Real Time Operating System
    434SCM Stored Content Manager
    435SDVOD Standard Definition Video-on-Demand
    436RPD Return Path Demodulator
    437RPM Revolutions Per Minute
    438PPD Post-pickup Delay
    439PPP Point-to-Point Protocol
    440SMTP Simple Mail Transfer Protocol
    441SNGSatellite News Gathering
    442TDM Time Division Multiplexing
    443TECTriggered Event Command
    444VRTX Virtual Real-Time Extension
    445SBS Switched Broadcast Server
    446SBV Switched Broadcast Video
    447VSA Vector Signal Analyzer
    448USF Universal Service Fund
    449USM User-based Security Model
    450SDRAM Synchronous Direct Random-Access Memory
    451SDTV Standard Definition Television
    452RPR Resilient Packet Ring
    453RTI Real Time Ingest
    454PSQM Perceptual Speech Quality Measurement
    455PSTNPublic Switched Telephone Network
    456CWDM Coarse Wavelength Division Multiplexing
    457CWM Common Warehouse Metamodel
    458CLDC Connection Limited Device Configuration
    459TIA Telecommunications Industry Association
    460ACM Adaptive Coding and Modulation
    461DENI Digital Entertainment Networking Initiative
    462DES Data Encryption Standard
    463DFAST Dynamic Feedback Arrangement Scrambling Technique
    464ADI Asynchronous Digital Interface
    465MIRS Motorola Integrated Radio system
    466MTS Mobile Telephone Service
    467ANF Aggregate Noise Factor
    468ANSI American National Standards Institute
    469CALEA Communications Assistance for Law Enforcement Act
    470ISMS Integrated Service Management System
    471ISO International Organization for Standardization
    472LEC Local Exchange Carrier
    473LVI Low Voltage Integrator
    474MAC Media Access Control
    475MCTF Motion Compensated Temporal Filtering
    476MMI Man Machine Interface
    477MPC Media Player Controller
    478NDE Network Dimensioning Engine
    479NDMH Non-Degraded Modem Hours
    480NRSS National Renewable Security Standard
    481NSI Network Side Interface
    482NTS Near Term Storage
    483OCSP Online Certificate Status Protocol
    484OCST Office of Cable Signal Theft
    485PMT Program Map Table
    486POD Point of Deployment
    487OSNR Optical Signal-to-Noise Ratio
    488OSPF Open Shortest Path First
    489OSS Operational Support System
    490OLT Optical Line Terminal
    491OMA Open Mobile Alliance
    492ISV Independent Software Vendor
    493ITA Interactive Television Association
    494FLR Frame Loss Ratio
    495FOSC Fiber Optic Splice Closure
    496EDC Electronic Dispersion Compensator
    497EDFA Erbium Doped Fiber Amplifier
    498DPON Deep-fiber Passive Optical Network
    499DPSK Differential Phase Shift Keying
    500DPT Dynamic Packet Transport
    501SCH Synchronization Channel
    502SDMA Spatial Division Multiple Access
    503MC Message Center
    504MCS Multi Carrier Mode
    505BTS Base Transceiver Station
    506DAMPS Digital Advance Mobile Phone Service
    507DTMF Dual Tone Multiple Frequency
    508EIRP Equivalent Isotropic Radiated Power
    509ESMR Enhanced Specialized Mobile Radio
    510EVPL Ethernet Virtual Private Line
    511FBI Federal Bureau of Investigation
    512ATDMA Asynchronous Time Division Multiple Access
    513ARP Address Resolution Protocol
    514DVD Digital Versatile Disc
    515DVI Display Visual Interface
    516EVC Ethernet Virtual Circuit
    517EVM Error Vector Magnitude
    518FEC Forwarding Equivalence Class
    519FHCS Fragment Header Check Sequence
    520HDLC High-Level Data Link Control
    521HDMI High Definition Multimedia Interface
    522ILEC Incumbent Local Exchange Carrier
    523IMD Inter-Modulation Distortion
    524INA Interactive Network Adaptor
    525ISA Industry Standard Architecture
    526ISDN Integrated Services Digital Network
    527ISM Industrial Scientific Medical
    528IVR Interactive Voice Response
    529KDCF Korea Digital Cable Forum
    530LTS Long Term Storage
    531NAT Network Address Translation
    532NDA Non-Disclosure Agreement
    533NOC Network Operations Center
    534NPR Noise Power Ratio
    535OUI Organizationally Unique Identifier
    536PAT Program Association Table
    537OFC Optical Fiber Communication
    538PLT Power-Line Telecommunications
    539PMD Polarization Mode Dispersion
    540PCS Personal Communications System
    541IRR Internal Rate of Return
    542LSP Label Switched Path
    543LSR Label Switch Router
    544MHP Multimedia Home Platform
    545MIB Management Information Base
    546MIDP Mobile Information Device Profile
    547NMS Network Management System
    548PDA Personal Digital Assistant
    549PDW Polarization Dependent Wavelength
    550OTDR Optical Time Domain Reflectometer
    551OTN Optical Transition Node
    552NVM Non-Volatile Memory
    553NNOC National Network Operations Center
    554NNTP Network News Transfer Protocol
    555LDAP Lightweight Directory Access Protocol
    556LDP Label Distribution Protocol
    557MEN Metro Ethernet Network
    558NAPT Network Address and Protocol Translation
    559NAS Network Attached Storage
    560OEPLAN Optical Ethernet Private Local Area Network
    561OEVPL Optical Ethernet Virtual Private Line
    562NIU Network Interface Unit
    563MER Modulation Error Ratio
    564MGC Media Gateway Controller
    565LDPC Low Density Parity Check
    566LDS Local Digital Switch
    567IGMP Internet Group Multicast Protocol
    568IGP Interior Gateway Protocol
    569IKE Internet Key Exchange
    570HMS Headend Management System
    571HOM High-Order Modulation
    572FDDI Fiber Distributed Data Interface
    573FEC Forward Error Correction
    574ESC Embedded Signaling Channel
    575ESP Encapsulating Security Payload
    576ETSI European Telecommunications Standards Institute
    577DUT Device Under Test
    578DVB Digital Video Broadcast
    579ASTD American Society for Training and Development
    580ATA Advanced Technology Attachment
    581ABSBH Average Busy Season Busy Hour
    582ACAP Advanced Common Application Platform
    583ACL Access Control List
    584ACC Analog Control Channel
    585APN Access Point Name
    586SATCOM Satellite Communications
    587TACS Total Access Communications Systems
    588A/D Analog to Digital
    589A/V Audio/Video
    590AGC Automatic Gain Control
    591AIS Alarm Indication Signal
    592DCS Digital Cross-connect System
    593DCT Digital Communications (Cable) Terminal
    594DTCP Digital Transmission Content Protection
    595DUN Dial-Up Networking
    596ERIM Erasmus Research Institute of Management
    597ERM Edge Resource Manager
    598IDS Intrusion Detection System
    599IDT Integrated Digital Terminal
    600IEC International Electrotechnical Commission
    601HDCP High-bandwidth Digital Content Protection
    602HDD Hard Disk Drive
    603ITU International Telecommunications Union
    604IUC Interval Usage Code
    605AMA Automatic Message Accounting
    606AAC Advanced Audio Codec
    607IPMP Intellectual Property Management and Protection
    608DML Data Manipulation Language
    609AACS Advanced Access Content System
    610IPG Interactive Program Guide
    611IANA Internet Assigned Numbers Authority
    612ICB Independent Customer Builds
    613GWC Gate-Way Controller
    614HAN Home Area Network
    615HCRP Hard Copy Cable Replacement
    616IF Intermediate Frequency
    617IFC Initial First Cost
    618NASA National Aeronautics and Space Agency
    619ROW Return Order Wire
    620BW Bandwidth
    621DCME Digital Compressed Multiplication Equipment
    622BER Bit Error Rate
    623ETACS Extended TACS
    624IP Internet Protocol
    625MIN Mobile Identification Number
    626TDD Time Division Duplex
    627TFT Thin Film Transistor
    628HCS Header Check Sequence
    629HD High Definition
    630HDBH High-Day Busy Hour
    631MTNL Mahanagar Telephone Nigam limited
    632BSNL Bhrat Snchar Nigm Limited
    633NTSC National Television Standards Committee
    634NICNET National Informatics Centre Network
    635LBS Location-Based Services
    636LCD Liquid Crystal Display
    637LMR Land Mobile Radio
    638GMSK Gaussian Minimum Shift Keying
    639IC Integrated Circuit
    640GSN GPRS Support Node
    641OC Optical Carrier
    642PPDN Public Packet Data Network
    643IPTA Internet Protocol Transport Agreement
    644DPI Digital Program Insertion
    645ICO Incumbent Cable Operator
    646IDE Integrated Device Electronics
    647IDEN Integrated Dispatch Enhanced Network
    648IMEI International Mobile Equipment Identity
    649IPTV Internet Protocol Television
    650ICMP Internet Control Message Protocol
    651DNS Domain Name System
    652ETDMA Extended Time Division Multiple Access
    653DNCS Digital Network Control System

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