Glossary of telecommunications terms (2023)

Fee charged to subscribers or other telephone companies by the local exchange operator for the use of its local branch network.

A method of signaling that uses continuous changes in the amplitude or frequency of a radio transmission to convey information.

The ability of a telecommunications line to transmit signals. Required bandwidth is the amount of spectrum required to transmit a signal without distortion or loss of information. FCC regulations require out-of-band attenuation to prevent interference.

Broadband is a descriptive term for new digital technologies that provide consumers with a signal-switched service that offers integrated access to voice, high-speed data, video-on-demand and interactive delivery services.

A billing method where the caller of a cordless phone pays only for making calls, not for receiving them. The US standard billing system requires wireless phone customers to pay for all calls made and received on the wireless phone.

The term often used to refer to all cordless phones, regardless of the technology they use, is derived from the cellular base stations that receive and transmit calls. Both mobile phones and PCS phones use cellular technology.

A service for hearing-impaired people that translates TV program dialogues into words written on the TV screen.

A way for independent video producers to access cable bandwidth for a fee.

In telecommunications, a term used to describe a telephone company.

A person who facilitates a telephone conversation between text phone users, sign language users, or people with speech disabilities through a telecommunications relay service (TRS). This service allows a person with a hearing or speech impairment to communicate with others over the phone at no extra cost.

(Video) basic telecom terms you should know

A service through which subscribers pay to bring local television stations and additional programming to their homes from the antenna via coaxial cable.

A practice where customers are charged for enhanced features such as voicemail, caller ID, and knock-on that they did not request.

Long distance services that require consumers to enter a long distance service provider's password (or "10-10" number) before calling a long distance number to bypass or "call up" the consumer's long distance carrier of choice to get a better rate.

New technology for the transmission and reception of TV signals. DTV provides clearer resolution and better sound quality.

A high-power satellite that transmits or retransmits signals intended for direct public reception. The signal is sent to a small ground station or antenna (usually the size of an 18-inch pizza pan) mounted on houses or other buildings.

Also called email, it refers to messages sent over the Internet. E-mail can be sent and received on newer types of cordless phones, but generally requires a specific e-mail account.

A for-profit company that offers voice and data messaging while adding value to your messages. Examples include answering machines, alarm/security companies, and transaction processing companies.

An informal meeting organized by the Commission to hear presentations from different parties on specific topics. Commissioners or other officials question the presenters and use their comments when considering the FCC rules and regulations in that case.

A method of signaling that changes the carrier frequency in proportion to the amplitude of the modulating signal.

An American satellite system that allows people on the ground, in the water, or in the air to determine their position with extreme accuracy using GPS receivers.

An improved TV system that provides approximately twice the vertical and horizontal resolution of existing TV standards. It also provides a sound quality close to CDs.

(Video) Basic Telecom Concepts

A short-range communication system that enables near-instantaneous two-way responses using a hand-held device at a fixed location. Examples are viewer participation in game shows, distance learning and e-mail over computer networks.

A service provided by one or more fixed microwave stations operated by an educational organization and used to transmit instructional information to fixed locations.

Traditional wired phone service.

A public or private radio service providing two-way communications, paging and radio signaling on land.

Broadcasting service that allows you to license 50-100W FM radio stations within 3.5 miles and 1-10W FM radio stations within 1-2 miles.

A broadcast service that enables programming, a subscription service, or both via low power television translators. The LPTV service includes the existing interpreting service and operates on a secondary basis to regular TV stations. Transmitter power output is limited to 1000 watts for normal VHF stations and 100 watts when VHF operation is on the assigned channel.

MUST CARRY (Retransmisja)
The term Cable Act of 1992 requires a cable system to carry the signals of both commercial and non-commercial television stations that are "local" to the area served by the cable system.

Any combination of two or more computers that enables them to communicate. Networks can include transmission devices, servers, cables, routers and satellites. The telephone network is the entire infrastructure for the transmission of telephone messages.

A term used to describe the ability of individuals, businesses and organizations to keep their existing phone numbers - and the same quality of service - when switching to a new local service provider.

An alternative method of providing a cable-like video service to subscribers.

Common operator providing service from public telephones, including pay telephones and at hotels/motels.

(Video) ICT Glossary of Terms -A

A one-way mobile radio service in which the user carries a small, lightweight miniature radio receiver capable of responding to coded signals. These devices, called "pagers," beep, vibrate, or do both when activated by an incoming message.

Any of several types of wireless, voice and/or data communication systems, usually using digital technology. PCS licenses are most often used to provide services similar to advanced mobile or paging services. However, PCS services may also be used to provide other wireless communications services, including services that allow people to make and receive communications while away from their home or office, and wireless communications to homes, office buildings, and other fixed locations.

A fee charged by a local listed company when a customer selects it as their long-haul carrier.

Using a cordless phone outside of your service provider's "home" service area. Higher per-minute rates are usually charged for calls made or received while roaming. Long distance rates and a daily access fee may also apply.

A radio relay station that orbits the earth. A complete satellite communication system also includes ground stations that communicate with each other via satellite. The satellite receives the signal transmitted by the source earth station and retransmits this signal to the destination earth stations. Satellites are used to transmit telephone, television and data signals from common carriers, broadcasters and distributors of cable television materials.

An act amending the Satellite Home Viewer Act of 1988, SHVIA allows satellite companies to provide local television signals to all subscribers residing in the local television station market. SHVIA also allows satellite companies to provide "remote" broadcast network stations to eligible satellite subscribers.

A satellite dish system used to provide signals to multiple residential units (eg, apartment buildings and trailer parks).

A radio receiver that travels over a wide range of radio frequencies and allows viewers to listen to any of those frequencies.

The price plan selected when choosing a wireless phone service. The subscription normally consists of a basic monthly fee for access to the system and a fixed number of minutes per

A telecommunications service provider that owns circuit switching equipment.

A term used to describe what happens when a long-distance customer's service is transferred from one long-distance carrier to another without the customer's consent. Such unauthorized switching is in violation of FCC rules.

(Video) Decoding Telecoms - an Introduction

The range of electromagnetic radio frequencies used for audio, data and television transmission.

A monthly fee paid by telephone subscribers that is used to compensate the local telephone company for some of the costs of installing and maintaining telephone wire, poles, and other devices that connect the home to the telephone network. These wires, poles and other devices are referred to as the "local loop". SLC is one of the components of entry fees.

Documents submitted by the carrier describing its services and fees for such services.

A free service that allows people with TTYs, people who use sign language, and people with speech disorders to use telephone services by having the call transferred and translated by a third party.

A word used to describe the science of voice transmission over a telecommunications network.

A type of device that enables people with hearing or speech impairments to communicate over the telephone using a keyboard and screen. This is sometimes called TDD.

A term used to describe access provided by local exchange operators so that other service providers can buy or lease parts of network elements, such as backhaul loops, to serve subscribers.

A financial mechanism that helps compensate telephone companies or other telecommunications entities for providing access to telecommunications services at reasonable and affordable prices throughout the country, including rural, insular and high-cost areas, and to public institutions. Businesses, not consumers, are legally required to contribute to this fund. The law does not prohibit companies from passing this fee on to customers.

Part of the 30 to 300 megahertz radio spectrum that includes television channels 2-13, the FM broadcast band, and some marine, aeronautical, and land mobile services.

Audio narration for blind or visually impaired television viewers, consisting of verbal descriptions of key visual elements of a television program, such as settings and actions, that are not reflected in dialogue. Narrations are inserted into natural breaks in the program and are usually delivered via a secondary audio programming channel.


What is the term for telecommunications? ›

Telecommunications, also known as telecom, is the exchange of information over significant distances by electronic means and refers to all types of voice, data and video transmission.

What are the three most important components of telecommunication? ›

A basic telecommunication system consists of three elements: A transmitter that takes information and converts it to a signal A transmission medium that carries the signal; and, A receiver that receives the signal and converts it back into usable information.

What are the telecommunication standards? ›

The Telecommunication Standards collection contains technical data from US & European standards developing organizations (SDOs) that drive the delivery of voice and data transmissions across telephony and physical network systems.

What are the four 4 telecommunication components? ›

The basic components of a modern digital telecommunications system must be capable of transmitting voice, data, radio, and television signals.

What are the 4 types of telecommunication networks? ›

Typical examples of telecommunication networks are the telephone landline network, the mobile network, cable TV networks or the internet.

What are three of the four types of telecommunications? ›

4 Main Types of Telecom Services and Its Uses for Businesses
  • Voice Services. Voice services are an essential part of modern telecom services for small businesses in the telecommunications industry. ...
  • Data Services. ...
  • Internet-Based Services. ...
  • Cloud-Based Telecoms.
Feb 28, 2023

What are the three core components of a network? ›

Basic elements of a computer network include hardware, software, and protocols. The interrelationship of these basic elements constitutes the infrastructure of the network.

What are the three different types of telecommunication systems? ›

Types of telecommunication networks
  • Ethernet.
  • Internet.
  • Wireless networks.

What are protocols in telecommunication? ›

A network protocol is an established set of rules that determine how data is transmitted between different devices in the same network. Essentially, it allows connected devices to communicate with each other, regardless of any differences in their internal processes, structure or design.

What are the basic services of telecommunication? ›

Basic telecommunications services refers to the provision of the public network infrastructure, public data transmission, and basic voice communications services, such as fixed telephone services, mobile phone services, network and data communication services, and information services.

What is the ISO for telecommunication? ›

The basic requirements for any organization in the electronic and telecommunication sector are ISO 9001, TL 9000, and ESD S20.

What is the difference between communications and telecommunications? ›

COMMUNICATIONS. A site for the transmission, transfer, or distribution of telephone service and related activities. TELECOMMUNICATIONS. A structure built exclusively to support one or more antennae for receiving or transmitting electronic data or telephone communications.

What is telecommunication in simple words? ›

Telecommunications are the means of electronic transmission of information over distances. The information may be in the form of voice telephone calls, data, text, images, or video. Today, telecommunications are used to organize more or less remote computer systems into telecommunications networks.

What are the types of telecom services? ›

Telecom services now include fixed-network services (data retail, Internet retail, voice retail and wholesale) and mobile services.

What are the 7 Ps of telecom industry? ›

It refers to tactics that help a company in branding its products and services. It includes 7P's which are product, price, place and promotion. These are different attributes that help in determining the advertising tools of the company.

What are the two main types of telecommunication? ›

Telecommunication networks can be analog or digital, depending on the type of signals they transmit. Analog networks transmit information using continuous waves, while digital networks transmit information using discrete signals, such as ones and zeros.

What are the types of data in telecommunication? ›

These data include call detail data, which describes the calls that traverse the telecommunication networks, network data, which describes the state of the hardware and software components in the network, and customer data, which describes the telecommunication customers.

What are the three 3 types of network? ›

LAN (Local Area Network) MAN (Metropolitan Area Network) WAN (Wide Area Network)

What are the 5 different types of mobile networks? ›

There are multiple cell phone network types, including 3G, 4G, 5G, LAN, and WAN. The main difference between these systems is that they use different radio networks to transmit signals.

What are the major component of telecommunication system? ›

Key components of telecommunication systems include: signals, communication channel and communication network. Now adays, telecommunication systems can transmit graphic images, videos, voice and texts.

What are 3 examples of a telecommunications hardware? ›

Telecommunications Hardware: Routers, Modems, Switches, Bridges, and Gateways.

What are the 7 pieces of network hardware? ›

Router, Network cards, Cable, Hub, Bridge, Switch, Modem. There are seven main devices that are used to build a network.

What are the five 5 major components in simple network? ›

A network has five basic components, namely clients, servers, channels, interface devices, and operating systems.

What is type 2 vs type 3 in telecom? ›

A connectivity service is Type 2 when the carrier providing the service buys Local Loop / last mile infrastructure from another carrier to provide the end service. If you take this up a level further (ISP buys from ISP who is buying from another ISP), you get to Type 3 service, and that can move layers up from there.

What are the 7 protocols? ›

Common Management Information Protocol (CMIP) On TCP/IP stack:
  • Hypertext Transfer Protocol (HTTP)
  • File Transfer Protocol (FTP)
  • Simple Mail Transfer Protocol (SMTP)
  • Simple Network Management Protocol (SNMP)

What are the 4 types of protocol? ›

Common Internet protocols include TCP/IP (Transmission Control Protocol/Internet Protocol), UDP/IP (User Datagram Protocol/Internet Protocol), HTTP (HyperText Transfer Protocol) and FTP (File Transfer Protocol). TCP/IP is a stream protocol.

What are the 3 main protocols? ›

There are three main types of network protocols, including network management protocols, network communication protocols and network security protocols.

What is IEEE in telecom? ›

The Institute of Electrical and Electronics Engineers (IEEE) is the world's largest technical and professional organization with members in over 160 countries focusing on electrical, electronics, ICT and related technologies.

Is Verizon an ISO? ›

2020]. Verizon has earned another prestigious ISO certification, one for attaining ISO/IEC 27001:2005 certification for the company's Converged Security Operations Center, located in Cary, N.C.

What is the difference between IEEE and ITU? ›

As mentioned above, IEEE, ITU, and OIF are responsible for 100G client-side, 100G frame mapping, and 100G line-side respectively. To be specific, IEEE defines IEEE standards for client-side transceivers, ITU defines ITU standards for frame mapping, and OIF defines OIF standards for line-side transceivers.

What are the basic components of communication system process? ›

Ans: The fundamental parts of a communication system are sources, input transducers, transmitters, communication channel receivers, and output transducers. Ans: The five aspects of communication are as follows: the source, the message, the channel, the receiver, and the feedback loop.

What are the basic units of telecommunication system? ›

What are the three basic units of electronic communication systems? Transmitter, transmission channel, and receiver.

What are the basic components required for network communications? ›

A network has five basic components, namely clients, servers, channels, interface devices, and operating systems.

What are the 8 elements of communication? ›

The communication process involves understanding, sharing, and meaning, and it consists of eight essential elements: source, message, channel, receiver, feedback, environment, context, and interference.

What are the 9 components of communication process? ›

Communication Elements, the 9 Elements of Communication are Context, Sender, Encoder, Messages, Channel, Decoder, Receiver, Feedback, and Noise.

What are the three basic components of all signals? ›

Transmitter, receiver, transmission medium – these are the basic elements that make up a communication system.

What are the three types of communication protocols? ›

Types of Inter System Protocols

Intersystem protocols are of three categories: USB Communication protocol. UART Communication protocol. USART Communication protocol.

What are the seven key parts of the communication process? ›

It includes seven stages:
  • Source.
  • Encoding.
  • Channel.
  • Decoding.
  • Receiver.
  • Feedback.
  • Context.

What are the three modes of data communication? ›

Data communication between different devices are broadly categorised into 3 types: Simplex communication, Half- duplex communication, and Full-duplex communication.

What are the basic functions of telecommunications? ›

The purpose of a telecommunication system is to exchange information among users of the system. This information exchange can take place in a variety of ways, for example, multiparty voice communications, television, electronic mail, and electronic message exchange.


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