Media & Entertainment

The Communication Services industry unites businesses that deliver communication services using a fixed-line, cellular and wireless technology, high bandwidth, or fiber optic cable network.

Term
Descriprion
Blanking Level

Blanking level is the level of the composite video signal during the front and back porches of the video signal.

Broadband

In telecommunications, broadband is wide bandwidth data transmission which transports multiple signals and traffic types. The medium can be coaxial cable, optical fiber, radio or twisted pair.

Broadcast calendar

The broadcast calendar is a standardized calendar used primarily for the planning and purchase of radio and television programs and advertising. Every week in the broadcast calendar starts on a Monday and ends on a Sunday, and every month has either four or five such weeks. Broadcast calendar months thus have either 28 or 35 days.

Carrier (Common Carrier)

In a telecommunications context, a telecommunications company that holds itself out to the public for hire to provide communications transmission services. Owns a transmission medium and rents, leases, or sells portions for a set tariff to the public via shared circuits. In the United States, telecommunications carriers are regulated by the Federal Communications Commission.

Carrier system

A carrier system is a telecommunications system that transmits information, such as the voice signals of a telephone call and the video signals of television, by modulation of one or multiple carrier signals above the principal voice frequency or data rate.

Communication channel

Communication channel refers either to a physical transmission medium such as a wire or to a logical connection over a multiplexed medium such as a radio channel in telecommunications and computer networking. A channel is used to convey an information signal, for example, a digital bitstream, from one or several senders (or transmitters) to one or several receivers. A channel has a certain capacity for transmitting information, often measured by its bandwidth in Hz or its data rate in bits per second.

Communications service provider

A communications service provider (CSP) is a service provider that transports information electronically—for example, a telecommunications service provider. The term encompasses public and private companies in the telecom (landline and wireless), Internet, cable, satellite, and managed services businesses.

Computer telephony integration

Computer telephony integration, or CTI, is a common name for any technology that allows interactions on a telephone and a computer to be integrated or coordinated. The term is predominantly used to describe desktop-based interaction for helping users be more efficient, though it can also refer to server-based functionality such as automatic call routing.

Cramming

Cramming is a form of fraud in which small charges are added to a bill by a third party without the subscriber's consent, approval, authorization, or disclosure. These may be disguised as a tax, some other common fee or a bogus service, and maybe several dollars or even just a few cents.

Federal Communications Commission

The Federal Communications Commission (FCC) is an independent agency of the United States government that regulates communications by radio, television, wire, satellite, and cable across the United States. The FCC maintains jurisdiction over the areas of broadband access, fair competition, radio frequency use, media responsibility, public safety, and homeland security.

Flow control (data)

In data communications, flow control is the process of managing the rate of data transmission between two nodes to prevent a fast sender from overwhelming a slow receiver. It provides a mechanism for the receiver to control the transmission speed so that the receiving node is not overwhelmed with data from the transmitting node.

Gateway

A gateway is a piece of networking hardware used in telecommunications for telecommunications networks that allows data to flow from one discrete network to another. Gateways are distinct from routers or switches in that they communicate using more than one protocol to connect a bunch of networks and can operate at any of the seven layers of the open systems interconnection model (OSI).

Hosted/Cloud communications

Cloud communications are Internet-based voice and data communications where telecommunications applications, switching, and storage are hosted by a third-party outside of the organization using them, and they are accessed over the public Internet.

Integrated Services Digital Network (ISDN)

Integrated Services Digital Network (ISDN) is a set of communication standards for simultaneous digital transmission of voice, video, data, and other network services over the traditional circuits of the public switched telephone network.

Jitter

In telecommunications, jitter is the deviation from the true periodicity of a presumably periodic signal, often in relation to a reference clock signal. In clock recovery applications it is called timing jitter. Jitter is a significant, and usually undesired, factor in the design of almost all communications links.

Leased Lines

A leased line is a private telecommunications circuit between two or more locations provided according to a commercial contract. It is sometimes also known as a private circuit, and as a data line in the UK. Typically, leased lines are used by businesses to connect geographically distant offices.

Multiplexing

In telecommunications and computer networks, multiplexing (sometimes contracted to muxing) is a method by which multiple analog or digital signals are combined into one signal over a shared medium.

Network topology

Network topology is the arrangement of the elements (links, nodes, etc.) of a communication network. It is the topological structure of a network and may be depicted physically or logically.

Personal communications service (PCS)

At the most basic level, Personal Communications Service (PCS) describes a set of communications capabilities that allows some combination of terminal mobility, personal mobility, and service profile management. More specifically, PCS refers to any of several types of wireless voice or wireless data communications systems, typically incorporating digital technology, providing services similar to advanced cellular mobile or paging services.

Transmission medium

A transmission medium is something that can mediate the propagation of signals for the purposes of telecommunication. A physical medium in data communications is the transmission path over which a signal propagates. Many different types of transmission media are used as a communications channel. In many forms of communication, communication is in the form of electromagnetic waves. With guided transmission media, the waves are guided along a physical path; examples of guided media include phone lines, twisted pair cables, coaxial cables, and optical fibers.

Unified Communications

Unified communications (UC) is a business and marketing concept describing the integration of enterprise communication services such as instant messaging (chat), presence information, voice (including IP telephony), mobility features (including extension mobility and single number reach), audio, web & video conferencing, fixed-mobile convergence (FMC), desktop sharing, data sharing (including web-connected electronic interactive whiteboards), call control and speech recognition with non-real-time communication services such as unified messaging (integrated voicemail, e-mail, SMS and fax). UC is not necessarily a single product, but a set of products that provides a consistent unified user interface and user experience across multiple devices and media types.

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