Browse Definitions :

Telecom

Terms related to telecom, including definitions about telecommunication service providers and words and phrases about voice, video and Internet communication.

1XR - EDG

  • 1xRTT (Single-Carrier Radio Transmission Technology) - 1xRTT (Single-Carrier Radio Transmission Technology) is an operational mode for CDMA2000 wireless communications that specifies a single (1x) 1.
  • 2D barcode (two-dimensional barcode) - A 2D (two-dimensional) barcode is a graphical image that stores information both horizontally -- as one-dimensional bar codes do -- and vertically.
  • abandoned call - An abandoned call is a call or other type of contact initiated to a call center that is ended before any conversation occurs.
  • addressability - Addressability is the capacity for an entity to be targeted and found.
  • ADSL (Asymmetric Digital Subscriber Line) - Also see Fast Guide to DSL.
  • Advanced Mobile Phone Service (AMPS) - Advanced Mobile Phone Service (AMPS) is a standard system for analog signal cellular telephone service in the United States and is also used in other countries.
  • analog - In telecommunications, an analog signal is one in which a base carrier's alternating current frequency is modified in some way, such as by amplifying the strength of the signal or varying the frequency, in order to add information to the signal.
  • analog telephone adapter (ATA) - An analog telephone adaptor (ATA) is a device used to connect a standard telephone to a computer or network so that the user can make calls over the Internet.
  • analog-to-digital conversion (ADC) - Analog-to-digital conversion is an electronic process in which a continuously variable (analog) signal is changed, without altering its essential content, into a multi-level (digital) signal.
  • Android OS - Android OS is a Linux-based open source platform for mobile cellular handsets developed by Google and the Open Handset Alliance.
  • ANI (Automatic Number Identification) - ANI (Automatic Number Identification) is a service that provides the receiver of a telephone call with the number of the calling phone.
  • Asia Cellular Satellite System (ACeS) - Asia Cellular Satellite System(ACeS) is a combined cellular telephone and satellite wireless system from Ericsson that provides digital communication service to mobile phone and computer users in the Asia Pacific Region.
  • attenuation - Attenuation is a general term that refers to any reduction in the strength of a signal.
  • attenuation-to-crosstalk ratio (ACR) or headroom - Attenuation-to-crosstalk ratio (ACR), also called headroom, is the difference, expressed as a figure in decibels (dB), between the signal attenuation produced by a wire or cable transmission medium and the near-end crosstalk (NEXT).
  • auto attendant (automated attendant) - An automated attendant (AA) is a telephony system that transfers incoming calls to various extensions as specified by callers, without the intervention of a human operator.
  • autodialer - An autodialer is a software program that automatically dials telephone numbers from a list or a database.
  • Automatic Call Distributor (ACD) - An Automatic Call Distributor (ACD) is a telephone facility that manages incoming calls and handles them based on the number called and an associated database of handling instructions.
  • automatic callback - Automatic callback is a telephone system feature that permits a caller who gets a busy signal to instruct the system to establish the connection when the line becomes available.
  • average revenue per user or average revenue per unit (ARPU) - Average revenue per user or average revenue per unit (ARPU) is an expression of the income generated by a typical subscriber or device per unit time in a telecommunications network.
  • azimuth and elevation - Azimuth and elevation are angles used to define the apparent position of an object in the sky, relative to a specific observation point.
  • backhaul - Backhaul, a term probably derived from the trucking industry, has several usages in information technology.
  • band - In telecommunication, a band - sometimes called a frequency band - is a specific range of frequencies in the radio frequency (RF) spectrum, which is divided among ranges from very low frequencies (vlf) to extremely high frequencies (ehf).
  • bandpass filter - A bandpass filter is an electronic device or circuit that allows signals between two specific frequencies to pass, but that discriminates against signals at other frequencies.
  • bandwidth - Bandwidth is the capacity of a wired or wireless network communications link to transmit the maximum amount of data from one point to another over a computer network or internet connection in a given amount of time -- usually one second.
  • bandwidth test (testing your bandwidth) - A bandwidth test is a program that sends one or more files of known size over a network to a distant computer (for example, your own computer), measures the time required for the file(s) to successfully download at the destination, and thereby obtains a theoretical figure for the data speed between two or more points, usually in kilobits per second (Kbps) or megabits per second (Mbps).
  • base station - A base station is a fixed point of communication for customer cellular phones on a carrier network.
  • baseband - Describes a telecommunication system in which information is carried in digital form on a single unmultiplexed signal channel on the transmission medium.
  • baseband unit (BBU) - A baseband unit (BBU) is a device that interprets baseband frequencies in telecom systems including computer networks, the internet, phone networks and radio broadcasting systems.
  • BGAN (Broadband Global Area Network) - BGAN (Broadband Global Area Network) is a mobile communications system created to transmit broadband wireless voice and data communications almost anywhere on the earth's surface.
  • bit error rate (BER) - In telecommunication transmission, the bit error rate (BER) is the percentage of bits that have errors relative to the total number of bits received in a transmission, usually expressed as ten to a negative power.
  • BitPim - BitPim is a cross-platform, open source application for managing data on cell phones that use the CDMA mobile telephony protocol.
  • breathalyzer cell phone (sobriety cell phone) - A breathalyzer cell phone, also known as a sobriety cell phone, is a cellular telephone handset equipped with a built-in device for detecting the presence of ethyl alcohol vapor in the breath.
  • broadband - In general, broadband refers to telecommunication in which a wide band of frequencies is available to transmit information.
  • Broadband Technology Opportunities Program (BTOP) - The Broadband Technology Opportunities Program (BTOP) is an initiative within the American Recovery and Reinvestment Act (ARRA) created to promote the development and adoption of broadband throughout the United States, particularly in unserved and underserved areas.
  • broadband voice gateway - A broadband voice gateway is a device that allows you to make telephone calls over a high-speed Internet connection rather than through a regular telephone outlet without having to go through your computer.
  • call admission control (CAC) - Call admission control (CAC) is the practice or process of regulating traffic volume in voice communications, particularly in wireless mobile networks and in VoIP (voice over Internet Protocol, also known as Internet telephony).
  • call center - A call center is a centralized department to which phone calls from current and potential customers are directed.
  • call failure rate (CFR) - The call failure rate (CFR) is the percentage of calls to an ISP or any network provider that fail to get through.
  • call forwarding - Call forwarding is a telephone service that automatically routes the user's incoming calls to another number.
  • call logging - Call logging (also known as call recording or call monitoring) is the practice of listening to, recording and assessing interactions between agents and callers.
  • call signaling - Call signaling is a process that is used to set up a connection in a telephone network.
  • callback (international callback) - Callback, also known as international callback, is a system for avoiding regular phone company long-distance charges by having a call initiated from within the United States with the originating caller joining in a conference call.
  • callback messaging - Callback messaging, in a call center context, is a service that allows callers to leave a message (usually personal contact information, either spoken or through the number pad) so that an agent can call them back and they retain their place in the queue.
  • caller ID spoofing - Caller ID spoofing is a service that allows a caller to masquerade as someone else by falsifying the number that appears on the recipient's caller ID display.
  • CallXML - CallXML is a language based on the Extensible Markup Language (XML) that lets a company describe a phone-to-Web site application in terms of how the call would be handled at the Web site and how it would interact with the caller based on keyed-in or voice responses.
  • carrier cloud - A carrier cloud is a cloud computing system, or network of servers that store data in a way that it is easily accessible from multiple locations, that is owned and operated by a traditional telecommunications service provider.
  • carrier detect - Carrier detect (see modem lights) is a control signal between a modem and a computer that indicates that the modem detects a "live" carrier that can be used for sending and receiving information.
  • Carrier Ethernet - Carrier Ethernet is the use of high-bandwidth Ethernet technology for Internet access and for communication among business, academic and government local area networks (LANs).
  • carrier network - A carrier network is the proprietary network infrastructure belonging to a telecommunications service provider such as Verizon, AT&T or Sprint.
  • Carrier Sensitive Routing (CSR) - Carrier Sensitive Routing (CSR) is a network solution that allows Voice over Internet Protocol (VoIP) subscribers to determine and manipulate the routing of individual calls.
  • carrier signal - A carrier signal is a transmitted electromagnetic pulse or wave at a steady base frequency of alternation on which information can be imposed by increasing signal strength, varying the base frequency, varying the wave phase, or other means.
  • carrier-to-noise ratio (CNR or C/N) - In communications, the carrier-to-noise ratio, often written CNR or C/N, is a measure of the received carrier strength relative to the strength of the received noise.
  • carrierless amplitude/phase (CAP) - Carrierless amplitude/phase (CAP) modulation was the original approach for modulation of a Digital Subscriber Line (DSL) signal.
  • CDMA (Code-Division Multiple Access) - CDMA (Code-Division Multiple Access) refers to any of several protocols used in second-generation (2G) and third-generation (3G) wireless communications.
  • CDMA One (cdmaOne or code-division multiple access one) - Also see CDMA, WCDMA, and CDMA2000.
  • CDMA2000 (IMT-CDMA Multi-Carrier or code-division multiple access 2000) - CDMA2000, also known as IMT-CDMA Multi-Carrier or 1xRTT, is a code-division multiple access (CDMA) version of the IMT-2000 standard developed by the International Telecommunication Union (ITU).
  • cell - In wireless telephony, a cell is the geographical area covered by a cellular telephone transmitter.
  • cell breathing - Cell breathing is the constant change of the range of the geographical area covered by a cellular telephone transmitter based on the amount of traffic currently using that transmitter.
  • cellular telephone (mobile telephone) - Cellular telephone, sometimes called mobile telephone, is a type of short-wave analog or digital telecommunication in which a subscriber has a wireless connection from a mobile telephone to a relatively nearby transmitter.
  • CenturyLink - CenturyLink is a worldwide telephone service provider and the third largest telecommunications provider in the United States, behind AT&T and Verizon.
  • channel-associated signaling (CAS) - Channel-associated signaling (CAS) is signaling (for example, in a T-carrier system line) in which control signals, such as those for synchronizing and bounding frames, are carried in the same channels as voice and data signals.
  • click-to-callback - Click-to-callback is a Web-based customer relationship management (CRM) technology that enables users browsing a company's Web site to leave a phone number where a company representative can call them back with more information.
  • click-to-talk (CTC) - Click-to-call (CTC), also called click-for-talk, is a technology that converts Web traffic into voice telephone connections using VoIP (Voice over IP).
  • cloud services - Cloud services is an umbrella term that may refer to a variety of resources provided over the internet, or to professional services that support the deployment of such cloud-based resources.
  • comfort noise generator (CNG) - A comfort noise generator (CNG) is a program used to generate background noise artificially for voice communications during periods of silence that occur during the course of conversation.
  • committed information rate (CIR) - committed information rate.
  • common carrier - A common carrier, in telecommunications, is an entity that provides wired and wireless communication services to the general public for a fee.
  • common short code (CSC) - Common short codes (CSC) are short telephone numbers, usually consisting of five digits, that are used to address SMS and MMS messages from cellular telephones.
  • communication portal - A communication portal is a service that allows individuals, businesses, schools and government agencies to share information from diverse sources using unified communications (UC) media.
  • communication service provider (CSP) - Communication service provider (CSP) is the broad title for a variety of service providers in broadcast and two-way communications services.
  • configuration - Generally, a configuration is the arrangement - or the process of making the arrangement - of the parts that make up a whole.
  • cord cutting - Cord cutting, in a telecommunications context, is the practice of stopping a cable or  satellite television service in favor of less expensive options, or getting rid of your landline phone and relying solely on cellular or VoIP (voice over IP) service.
  • Cost Per Call - In a call center, cost per call is a numerical metric calculated by dividing the total operational costs by the total number of calls for a given period of time.
  • CPE device - A CPE device is telecommunications hardware located at the home or business of a customer.
  • CPRI (Common Public Radio Interface) - CPRI (Common Public Radio Interface) is a specification for wireless communication networks in the interface between radio equipment and radio equipment control.
  • CrackBerry - CrackBerry is a nickname for the BlackBerry handheld device.
  • cramming - Cramming is the addition of unexpected or unauthorized charges to a bill for landline or mobile telephone service.
  • data discrimination (data censorship) - Data discrimination, also called discrimination by algorithm, is bias that occurs when predefined data types or data sources are intentionally or unintentionally treated differently than others.
  • data link layer - The Data-Link Layer is the protocol layer in a program that handles the moving of data in and out across a physical link in a network.
  • decibels relative to carrier (dBc) - dBc (decibels relative to carrier) is a measure of the strength of an instantaneous signal at radio frequency.
  • decibels relative to isotropic radiator (dBi) - The expression dBi is used to define the gain of an antenna system relative to an isotropic radiator at radio frequencies.
  • decibels relative to one millivolt (dBmV) - dBmV (decibels relative to one millivolt) is a measure of the signal strength in wires and cables at RF and AF frequencies.
  • decibels relative to reference level (dBr) - The expression dBr is used to define signal strength at RF and AF frequencies.
  • destreaming - Destreaming, in a multimedia context, is the practice of saving streamed data as a file.
  • Dialed Number Identification Service (DNIS) - DNIS (Dialed Number Identification Service) is a telephone service that identifies for the receiver of a call the number that the caller dialed.
  • digital - Digital describes electronic technology that generates, stores, and processes data in terms of two states: positive and non-positive.
  • digital audio broadcasting (DAB) - .
  • digital loop carrier (DLC) - DLC also is an abbreviation for Data Link Control.
  • digital signal processing (DSP) - Digital signal processing (DSP) refers to various techniques for improving the accuracy and reliability of digital communications.
  • digital signal X - Digital signal X is a term for the series of standard digital transmission rates or levels based on DS0, a transmission rate of 64 kilobits per second (Kbps), the bandwidth normally used for one telephone voice channel.
  • digital switch - A digital switch is a device that handles digital signals generated at or passed through a telephone company central office and forwards them across the company's backbone network.
  • digital-to-analog conversion (DAC) - Digital-to-analog conversion is a process in which signals having a few (usually two) defined levels or states (digital) are converted into signals having a theoretically infinite number of states (analog).
  • Direct Inward Dialing (DID) - Direct Inward Dialing (DID) is a service of a local phone company (or local exchange carrier) that provides a block of telephone numbers for calling into a company's private branch exchange (PBX) system.
  • direct sequence spread spectrum (DSSS) or direct sequence code division multiple access (DS-CDMA) - Direct sequence spread spectrum, also known as direct sequence code division multiple access (DS-CDMA), is one of two approaches to spread spectrum modulation for digital signal transmission over the airwaves.
  • Distributed Universal Number Discovery (DUNDi) - Distributed Universal Number Discovery (DUNDi) is a peer-to-peer system for translating phone numbers and internal extensions to voice over IP (VoIP) addresses.
  • do not call list - The "do not call" list is a registry of phone numbers in the United States that telemarketers are prohibited from calling in most circumstances.
  • DTMF (dual tone multi frequency) - DTMF (dual tone multi frequency) is the signal to the phone company that you generate when you press an ordinary telephone's touch keys.
  • E-carrier system - To see the relationship between the E-carrier system, the T-carrier system, and DS0 multiples, see digital signal X.
  • eavesdropping - Eavesdropping is the unauthorized real-time interception of a private communication, such as a phone call, instant message, videoconference or fax transmission.
  • EDGE (Enhanced Data GSM Environment) - EDGE (Enhanced Data GSM Environment) is a faster version of GSM designed to deliver data at rates up to 384 Kbps and enable the delivery of multimedia and other broadband applications to mobile phone and computer users.

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