Telecommunications and Information Technology Glossary and Terms
In this glossary, I will be adding some tech terms, abbreviations and acronyms that I come across from day to day. This will help you understand commonly used words in the IT and Telecommunications industry.
Term |
Acronym | Description |
|---|---|---|
| American Registry for Internet Numbers | ARIN | The American Registry for Internet Numbers (ARIN) is the Regional Internet Registry (RIR) for... |
| Analog Telephony Adapter | ATA | An analog telephone adaptor (ATA) is a device used to connect a standard telephone to a computer or... |
| Asymmetric Digital Subscriber Line | ADSL | Asymmetric Digital Subscriber Line. One of a number of DSL technologies, and the most common one.... |
| Automated Attendant | A device which answers callers with a digital recording, and allows callers to route themselves to... | |
| Automatic number announcement circuit | ANAC | An automatic number announcement circuit (ANAC) is a special telephone number that is meant to be... |
| Bandwidth | The amount of information that can be sent through a connection. Usually measured in bits-per-... | |
| Bit | b | The smallest unit of storage used in computing; a digit in the binary numeral system it can be 1... |
| Byte | B | A collection of eight bits. |
| Call Forwarding | A service available in many central offices, and a feature of many PBXs and some hybrid PBX/key... | |
| Canadian Internet Registration Authority | CIRA | The Canadian Internet Registration Authority (CIRA) (French: Authorité canadienne pour les... |
| Central Office | CO | Dial or manual telephone switching equipment with a capacity of up to 10,000 main telephone numbers... |
| Competitive Local Exchange Carrier | CLEC | A term used in the United States to refer to providers of local phone services. It can be used in... |
| Customer Premises Equipment | CPE | Customer premises equipment (CPE) is telephone or other service provider equipment that is located... |
| Digital Subscriber Line | DSL | Digital subscriber line is the transmission of digital information, usually on a copper wire pair.... |
| Digital Subscriber Line Access Multiplexer | DSLAM | A piece of equipment, operated by a telephone company, that allows customers to receive high-speed... |
| Direct inward dialing | DID | DID is PBX-to-central office trunks that allow incoming calls to a PBX to ring specific stations... |
| Do-Not-Disturb | DND | Makes a telephone appear busy to any incoming calls. May be used on intercom-only, by extension... |
| Dry Loop DSL | Dry loop DSL, sometimes called “naked” DSL, is DSL internet service not packaged with land-line... | |
| Dual-Tone Multiple Frequency | DTMF | The generic name for the tone signaling scheme used to signal from telephones to switchingequipment... |
| Ethernet Cross Over Cable | An Ethernet crossover cable is a type of Ethernet cable used to connect computing devices together... | |
| Fiber-to-the-home | FTTH | A method for broadband data (voice, Internet, multimedia, etc.) delivery to the home via optical... |
| Fiber-to-the-node | FTTN | There are two technologies for delivering broadband: Fiber-to-the-node (FTTN) uses fiber to bring... |
| Incumbent Local Exchange Carrier | ILEC | A licensed local operator in the US and Canada which historically operated all or almost all the... |
| Interactive voice response | IVR | Interactive voice response (IVR) is a technology that allows a computer to interact with humans... |
| Internet Protocol Address | IP Address | Also called IP Address. It's a unique, 32-bit number for a specific TCP/IP host on the Internet. IP... |
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