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Short Form
Full Form
Central Office
Base Station Controller | or Binary Synchronous Communications (IBM)
Clear Channel Capability
Digital Enhanced Cordless Telecommunications
Subscriber Identity Module
Standards Committee (ISO)
Global System for Mobile telecommunications | or Groupe Spécial Mobile
Point Of Presence
What You See Is What You Get
User-Network Interface
Intelligent Calling System ID Identification
International Electrotechnical Commission | or InterExchange Carrier
General Packet Radio Service
Personal Communications Services
Personal Identification Number | or Positive-Intrinsic-Negative
Digital Network Architecture (Digital Equipment Corporation)
Message Telecommunications Service
High-Definition Television
Intelligent Call Routing
Service Management System
Short Message Service
Computer-Aided Design
Compact Disk-Recordable
Manufacturers Application Protocol (ISO | General Motors) | or Mobile Applications Port
Peripheral Component Interconnect
Long Distance Carrier
Liquid Crystal Display
Technical Advisory Group
Intelectual Property
Intelligent Peripheral (IN)
Internet Protocol (IETF)
Service Switching Point (IN)
Digital Multiplex Switch (Nortel Networks Switching Product Family DMS 100 | 200 | …)
Communications Services Management
Personal Access Communications System
Network Interface Card | or Network Information Center (Internet Registry)
Routing Information Protocol
Customer Service Representative
Point Of Sale
Network Switching Sub-system (GSM)
Network Termination | or New Technology | also Windows NT (Microsoft)
Compact Disk-Read-Only Memory
Shielded Twisted-Pair | or Signal Transfer Point (IN)
Cable Antenna Relay Services
InterOffice Channel
Mobile Switching Center
terabyte (trillion bytes)
Point-to-Point Protocol
Time Division Multiplexer
Common ISDN API Service
Interexchange Carrier Interface
Virtual Circuit
Computer Telephony Integration
Payload Type
Base Station Sub-system (GSM)
Business Support Systems
Switching System
facsimile transmission
Mobile Satellite Service
Frame Control | or Fiber Channel
Charge Coupled Device
Tandem Office or Toll Office
Telecommunications Operator
ARPA Network
Complementary Metal Oxide Semiconductors
Videocassette Recorder
Call Detail Record
Cycles per second (Hertz)
Access Control Point
Basic Input-Output System
Systems Network Architecture (IBM)
Base Station
Data Communications Equipment | or Distributed Computing Environment
Multimedia Message Service
Management Integration Consortium
gigaHertz (billions of cycles per second)
Mediation Device
Geographic Information System
Access Control
Least Cost Routing
Digital Signal Processor
Industrial | Scientific | and Medical (frequency bands)
Common Channel Signaling
Integrated Services Digital Network
millisecond (thousandth of a second)
Mobile Station
Resource ReSerVation Protocol (IETF)
Transmission Control Protocol -Internet Protocol (IETF)
Cable Television or Community Antenna Television
Permanent Virtual Circuit
International Record Carrier
Motion Picture Experts Group
OutSide Plant
Simple Mail Transfer Protocol (IETF)
Service Provider
Mobile Identification Number
Unshielded Twisted - Pair
Calling Line Identification
Metropolitan Area Network
Optical Character Recognition
Distributed Management Environment (OSF)
Virtual Machine System (Digital Equipment Corporation)
Management Center or Message Center
Citizens Band
Distributed Management
Personal Digital Cellular (Japan)
Internet Research Task Force
Optical Carrier
Reduced Instruction Set Computing
Digital Service Unit
Customer Relationship Management
Computer-Aided Manufacturing
Magnetic Resonance Imaging
Public Utility Commission (USA)
Personal unblocking code
Open Systems Interconnection (ISO) | or Objective Systems Integrator
Wireless Local Area Network
Minutes of Use | or Memorandum of Understanding
Secure Sockets Layer (IETF)
Enhanced Messaging Services
Interactive Voice Response
Virtual Redundancy Check
Demand Access Protocol
General Agreement on Tariffs and Trade
Destination Address
Enhanced Network Services
File Allocation Table
Serial Line Internet Protocol (IETF)
Link Access Protocol (or Procedure)
Advanced Mobile Phone System
National Security Agency
Location Based Services
Cell of Origin
Base Transceiver Station
Structured Query Language
Internet Corporation for Assigned Names and Numbers
Open Database Connectivity (Microsoft)
Data Encryption Standard
Commercial Mobile Radio Service
Switched Multimegabit Data Services
Kilobyte: One thousand and twenty-four bytes kbps kilo bit per second
Digital Audio Tape
Telecommunications Management Information Platform (Compaq)
Copper Local Loop
First-In First-Out
Private Automatic Branch eXchange
Pulse Code Modulation
Domain Name Service DoD Department of Defense (USA)
Generic Digital Services
Zone Improvement Program (geographic codes- USA)
Personal Digital Assistant
Object Linking and Embedding (Microsoft)
Session Initiation Protocol (IETF)
Universal Server Farm (IBM)
Competitive Access Provider
Joint Photographic Experts Group
Master Earth Station
Authentication Encryption
Closed User Groups
World Trade Organization
Request For Comment (IETF)
Media Access Control | or Move | Add | and Change
Distribution and Control Unit
Magneto-Optical Modem Modulator-demodulator
Telecommunications Information Networking Architecture
Phase Modulation
Network Element
Hybrid Fiber-Coax
Just In Time
Cyclic Redundancy Check
Primary Rate Interface (ISDN)
Return On Investment
Network Manager
Station Management
Millions of Instructions Per Second
Wireless Application Protocol
Digital Service | Digital Signal
Distributed Management Interface
Numeric Assignment Module
Instant Messaging
Synchronous Data Link Control (IBM)
Very Large-Scale Integration
Programmable Read-Only Memory
Large-Scale Integration
Multipurpose Internet Mail Extensions
Network Control Program (IBM SNA) | or Network Control Point
Original Equipment Manufacturer
Campus Area Network
Location and Monitoring Service
Community Dial Office
Message Transfer Part (IN)
NetWare Loadable Module (Novell)
Attached Resource Computer Network (Datapoint)
International Mobile Telecommunications 2000 (ITU)
Service Control Point (IBM-SNA)
Electronically Erasable Read-Only Memory
Radio Frequency
Customer Premises Equipment
Personal Area Network
Android Debug Bridge
United Nations
Extended Binary Coded Decimal Interchange Code (IBM)
Subscriber Identification Module Card
Automatic Call Distributor
Packet-Switched Network
Telecommunications Industry Association
Computer-Aided Software Engineering
Online Analytical Processing
Fiber Distributed Data Interface
Voice over IP
Stock-Keeping Unit
Operations and Maintenance Centre (GSM)
Digital Signal | Level 2 (6.312 Mbps)
Mobile Directory Number
Internetwork Packet Exchange
Remote Procedure Call
Customer Controlled Reconfiguration
Cordless Telecommunications
Value-Added Network
Add-Drop Multiplexer (SDH Element)
Main Distribution Frame
Non-Stop Kernel (Compaq)
World Wide Web Consortium (also WWW3)
External Provisioning Interface
Initial Public Offering
Carrier Servicing Area
Heating | Ventilation | and Air Conditioning
Hertz (cycles per second)
Multipoint Control Unit
Network Access Point
Information System | or Interim Standard (TIA-EIA)
International Mobile Equipment Identity
Fax on Demand
Very High Frequency (30 MHz to 300 MHz)
Sequenced Packet Exchange (Novell)
Comité Consultatif International des Télégraphes et Téléphones (now ITU-T)
Operational Data Store
Angle of Arrival
Repetative Strain Injury
Attachment Unit Interface
Advanced Intelligent Network (ANSI IN Standard)
Wireless Communications Service
Pulse Amplitude Modulation
Automatic Number Identification
Key Send Receive
Packet Assembler-Disassemble
Basic Rate Interface (ISDN)
kiloHertz (thousands of cycles per second)
Very high-speed Digital Subscriber Line
Calling Party Pay
Telecommunications Relay Services
Time Slot Interchange
Android Operating System. Android itself is a complete word and is not having full form
Family Radio Service
Remote Control Unit
Intelligent Network
Laser Diode
Long Distance
Central Office Terminal
Physical Unit (IBM SNA)
Dataphone Digital Service
Data Terminal Equipment
Longitudinal Redundancy Check
Asymmetric Digital Subscriber Line
Carrier Sense Multiple Access with Collision Detection
Fiber To The Home
Wireless Local Loop
Android Development Tools
Automatic Send Receive | Automatic Speech Recognition
Mobile Location Services
Time Division Duplexing
Transmission Control Protocol (IETF)
Digital Subscriber Line
Discrete Multitone
Virtual Machine (IBM)
Fraud Management System
Fixed Satellite System
Internal Rate of Return (Financial Modelling)
Address Resolution Protocol
Automatic Route Selection
Customized Applications for Mobile-network Enhanced Logic (GSM-ETSI)
Automatic Repeat Request
Mediation Function | or Medium Frequency (300 kHz to 3 MHz)
National Television Standards Committee
Remote Terminal
Switched Virtual Circuit
Small Computer Systems Interface
International Mobile Subscriber Identity
Physical Layer
Virtual Terminal
Phase Alternating by Line
Specialized Mobile Radio
Network Management Center
Nortel Matra Cellular
Abstract Syntax Notation 1 (ISO)
User Datagram Protocol (IETF)
Application-Specific Integrated Circuit
Constant Bit Rate
Committed Information Rate
Object-Oriented Programming
Back-End Processor
Low Frequency (30 kHz to 300 kHz)
Protocol Data Unit
Frequency Division Duplex
integrated Dispatch Enhanced Network
"""generic"" Digital Subscriber Line"
Electronic Industries Association
High Frequency (3 MHz to 30 MHz)
Open Software Foundation
Service Creation Environment (IN)
Phase Shift Keying
Synchronous Digital Hierarchy
Management Information Base
Average Revenue Per User
International Telecommunication Union
Post | Telegraph and Telecommunications (Government Departments)
Total Quality Management
Government Open Systems Interconnection Profile (USA)
Crossbar telephone exchange
Comité Consultatif International des Radiocommunications (now ITU-R)
International Telegraph and Telephone
Invitation To Tender
Key Telephone System
Negative Acknowledgement
End of Transmission
Packet Data Network or Public Data Network
Authentication key
Voice Grade
Enhanced Data for GSM Evolution
Internet Society
Wavelength Division Multiplexing
Compact Peripheral Component Interconnect
International Telecommunications Satellite Organization
Wireless Wide Area Network
Visitor Location Register
Wireless Markup Language
General Services Administration (USA)
Wireless Session Protocol
Wireless Telephony Application
Advanced Network Services
Decision Support System
Fiber Optic
Logical Unit (IBM)
Advanced Peer-to-Peer Network (IBM SNA)
Bell Operating Company (USA)
Open Shortest Path First
Cisco Certified Network Associate
Read-Only Memory
Value-Added Reseller
Common Management Information Services (ISO)
Internet Mail Access Protocol (IETF)
Messaging Applications Programming Interface (Microsoft)
Quality of Service
International Telecommunication Union-Telecommunications
Private Branch eXchange
Software-Defined Network (AT&T)
Compaq SS7 stack (previously DECss7)
Synchronous Transfer Mode
Cisco Powered Network (Ingredient Band)
ADSL Network Terminator
Symmetrical Digital Subscriber Line
Intellectual Property Rights
Calling Number Identification
Infrared Link Access Protocol
Multistation Access Unit
Over The Air Activation
Right To Use
Teletypewriter Network protocol
Air-Ground Radiotelephone Automated Service
Federal Telecommunications System
Location Based Advertising
New Product Introduction
Automatic Location Information
International Switching Center
International Alpha Set No. 5
Personal Communications Networks
Bit Error Rate Test (or Tester)
Ultra High Frequency (300MHz to 3 GHz)
Wide Area Telecommunications Service
Direct Broadcast Satellite
National Science Foundation (USA)
Network Termination Unit
Radio Frequency Interference | or Request For Information
Wireless Datagram Protocol
Universal Asynchronous Receiver-Transmitter
Short Message Service Center
Cellular Authentication and Voice Encryption
Cellular Telecommunications Industry Association
Home Phoneline Networking Alliance
terabit per second
Voice Frequency
Personal Computer Memory Card Industry Association
High-bit-rate Digital Subscriber Line
Nickel Cadmium
Equipment Identity Register
Frame Check Sequence
Install And Commission
Internet Engineering Task Force
ISDN Service User Part
Transport Layer Security (IETF)
Physical Media-Dependent
Request for Quotation
Advanced Program-to Program Communications (IBM SNA)
Federal Communications Commission (USA)
Wideband - Code Division Multiple Access
NetWare Management System (Novell)
Positioning Determination Entity
4th generation
Advanced Television Systems Committee
Utility Based Computing
Digital Video Broadcasting
Frame Relay
Plesiochronous Digital Hierarchy
Public Switched Telephone Network
Very Small-Aperture Terminal
Network Interface Unit
Time Division Multiple Access
Unspecified Bit Rate
Channel Service Unit
Object Management Group
Digital Speech Interpolation
Trunk Carrier
High-Performance Parallel Interface
Mean Time Between Failure
Direct Distance Dialing
Alliance for Telecommunications Industry Solutions (formerly ECSA)
Home Location Register
Storage Area Network or System Area Network (Himalaya)
Common Object Request Broker Architecture (OMG)
Fiber In The Loop
Infrared LAN
Network Management Forum (now TMF)
Federal Deposit Insurance Corporation (USA)
Nickel-Metal Hydride
Adaptive Differential Pulse Code Modulation
Enterprise System Connection (IBM)
Object Management Architecture
Open Mobile Alliance
Global Area Network
Local Access and Transport Area (USA)
Optical Carrier Signal | Level 192 (9.952 Gbps)
Alternative Access Vendor
Local Area Transport (Digital Equipment Corporation)
Internet Operators Providers Services
Operations Support Systems
Signaling Connection Control Point (IN)
Mobile Station Roaming Number
Financial Accounting Standards Board (USA)
Switching Network or Station Number
Wireless Location Services (SignalSoft)
Wireless Transaction Protocol
Head-end Interface Converter
Video On Demand
Wireless Application Environment
National Bureau of Standards
Enterprise Application Integration
Front-End Processor
Frequency-Shift Keying
Message Handling Source MHz megahertz (millions of cycles per second)
Mean Time To Repair
Enhanced emergency telephone number (USA)
Universal Messaging System
Key Service Unit
Internet Architecture Board
2nd generation
Telephony Application Programming Interface (Microsoft)
Mobile Telephone Switching Office
Dual-Tone MultiFrequency
Digital Television
Dense Wavelength Division Multiplexing
Network Basic Input-Output System (Microsoft)
Telecommunications Management Forum
Working Group
Japan Digital Cellular
Multi Protocol Label Switching (IETF)
Available Bit Rate
Synchronous Optical Network (ANSI)
Automatic Identification of Outward Dialed calls
Military Network (USA)
Network Element Function
Universal Mobile Telecommunications System (ETSI)
Common Management Information Protocol (ISO)
Intelligent Peripheral Node
Digital Line Unit
Network Terminating Equipment
Cellular Digital Packet Data
Common Channel Signaling System # 6
Systems Application Architecture (IBM)
Standing Advisory Committee for Frequency Allocation
Authentication Encryption Key
Windows NT (Microsoft)
Advanced Radio Data Information Service
Common Control Channel
Local Exchange Carrier
Very Low Frequency (less than 30 kHz)
Maximum Transmission Unit
Workstation Function
Internet Assigned Numbers Authority
Internet Protocol over ATM
Operating System-2 (IBM)
Super High Frequency (3 GHz to 30 GHz)
Competitive Local Exchange Carrier
Data Over Voice
High-capacity ISDN channel operating at 1.536 Mbps
Multichannel | Multipoint Distribution Service
Object Management Framework
Statistical Time Division Multiplexing
Integrated Network Management System
Local Channel Number
Virtual Telecommunications Access Method (IBM SNA)
Fixed Wireless Access
International Telecommunication Union-Radiocommunications
Network Addressable Unit (IBM)
Extremely High Frequency (more than 30 GHz)
Worldwide Geodesic System
Digital Advanced Mobile Phone Service
Universal Terrestrial Radio Access
Broadband ISDN
Data Transfer Unit
Fiber To The Building
World Wide Web Consortium (also W3C)
Zero Latency Enterprise (Compaq)
High-level Data Link Control (ISO)
New Equipment Building Specifications
Internet Engineering Steering Group
TIA-EIA Interim Standard for mobile management
ANSI standard for mobile management (ANSI-TIA-EIA-41)
Frequency Hopping Spread Spectrum
Dalvik Debug Monitor Screen
Intelligent Network Application Part (IN)
Signaling System 7 (ANSI)
Trusted Transaction Roaming
Android Virtual Device
Bandwidth Allocation Control Protocol
International Direct Dialing Designator
Expanded Time Division Multiple Access
Transaction Language 1
Data Exchange Interface
Teletypewriter Exchange (also known as telex)
Network Management Interface (ITU-T)
Radio Determination Satellite Service
Subscriber Loop Interface Circuit
Bell Communications Research | Inc. (Now Telcordia)
Network Node Manager (Hewlett-Packard)
Remote Job Entry
System Services Control Point (IBM)
Central Office Exchange (PBX-like Service)
Public Land Mobile Network
Digital Signal | Level 1 (1.544 Mbps)
Element Management Layer- Element Management Service
IntereXchange Carrier (also IEC)
Cellular Geographic Service Areas
GPRS Roaming Exchange
Link Access Protocol-Balanced
Link Access Procedure- Digital channel (ISDN)
A Packet Switching Protocol
Fractional T1
National Exchange Carrier Association
Common Management Information Service Element (ISO)
Start of Transmission
Authorization and Call Routing Equipment
Bandwidth On Demand Interoperability Group
Centre National d Études en Télécommunications (France Telecom)
Digital Signal | Level 4 (274.176 Mbps)
Multilink Point-to-Point Protocol
Non-Return to Zero
Wireless Access Communications System
Maps Application Provisioning System
Transmission service at the DS3 rate of 44.736 Mbps
Desktop Management Task Force
Fault | Configuration | Accounts | Performance | Security (ISO)
Transmission service at the DS1 rate of 1.544 Mbps
High-capacity ISDN channel operating at 384 kbps
Optical Carrier Signal | Level 3 (155.52 Mbps)
Quod Erat Demonstrandum
Wireless Transport Layer Security
Interdomain Policy Routing
Local Multipoint Distribution Services
Exchange Carrier Standards Association (now ATIS)
Network Solutions and Service Group (Nortel)
Frame Relay Access Device | or Assembler- Disassembler
Philips Radio Communications Systems
Regional Bell Operating Company (USA)
Digital Loop Carrier System
Binary Eight Zero Substitution
General Mobile Radio Service
Narrowband Advanced Mobile Phone Service
Rule-Based Expert Systems
Digital Signal | Level 3 (44.736 Mbps)
Digital Signal | Level 1C (3.152 Mbps)
Transaction Capabilities Application Part (IN)
Enhanced Specialized Mobile Radio
Telecommunications Management Network
Gateway Mobile Switching Centre
Optical Carrier Signal | Level 12 (622.08 Mbps)
Personal Communications Industry Association
Canadian Network for Advancement of Research | Industry | Education
File Transfer | Access | and Manipulation (ISO)
ANSI standard for format over IP
Subscriber Network Interface
Subscriber Terminal
Xerox Network System (Xerox Corporation)
Differential Pulse Code Modulator
Optical Carrier Signal | Level 256 (13.271 Gbps)
Global Virtual Private Network
Intelligent Mobile Network
Document Transfer and Manipulation (ISO)
Optical Carrier Signal | Level 36 (1.866 Gbps)
Service Hypertext Transport Protocol
Frequency Division Multiplexing Multiple Access
Fibre To The Kerb
Optical Carrier Signal | Level 18 (933.12 Mbps)
Telephony Services Application Programming Interface (Novell)
Network Management Layer-Network Management Service
Optical Carrier Signal | Level 9 (466.56 Mbps)
Incumbent Local Exchange Carrier
Service Management Layer-Service Management Service
Synchronous Transmission
Microwave Video Distribution System
Time of Arrival
National Research and Education Network (USA)
Fiber To The Curb
3rd Generation Partnership Project
Year 2000
Defense Advanced Research Projects Agency
Time Difference of Arrival
Multivendor Problem Resolution Process
Optical Carrier Signal | Level 1 (51.84 Mbps)
Wireless Communications and Mobile Computing
Networking Technical Support Alliance
Optical Carrier Signal | Level 24 (1.244 Gbps)
Optical Carrier Signal | Level 48 (2.488 Gbps)
Optical Carrier Signal | Level 96 (4.976 Gbps)
Operations | Administration and Maintenance
Operations | Administration | Maintenance and Provisioning
Engineering | Furnishing and Installation
Ear and Mouth | or recEive and transMit (signaling)
Digital Signal | Level 0 (64 kbps)
Signaling System # 7 (ITU-T)

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