Flexible Workspace Terms & Definitions

  • Access

    Access is a connection between two businesses addresses which can be used for VPN, voice, data or the Internet

  • Access

    Access is a connection between two businesses addresses which can be used for VPN, voice, data or the Internet

  • Access Code

    Typically a number used to connect to a calling card service/vendor. Usually in the form of an 0800 or similar.

  • Access Code

    Typically a number used to connect to a calling card service/vendor. Usually in the form of an 0800 or similar.

  • Access Network

    That portion of a public switched network that connects access nodes to individual subscribers.

  • Access Network

    That portion of a public switched network that connects access nodes to individual subscribers.

  • Access Nodes

    Points on the edge of the Access Network that concentrate individual access lines into a smaller number of feeder lines. Access Nodes may also perform various forms of protocol conversion. Typical Access Nodes are Digital Loop Carrier systems concentra

  • Active X

    a programming language designed by Microsoft, allowing for web-based animation.

  • ADSL

    (Asymmetric Digital Subscriber Line) - is a method of transmitting data over traditional copper telephone lines at speeds higher than were previously possible.

  • American National Standards Institute

    An important International Standards Organisation member that develops and publishes industrial standards in computing and information technology, which are accepted world-wide

  • Analog Transmission

    The way information is transmitted over a continuously changing electrical wave that is similar to, or analogous with the original signal. All telephone calls used to be transmitted in an analog format. Today they are translated to digital pulses for b

  • Anonymous FTP

    a site that allows users to access and download public files without the need for a username or password.

  • Anti-spam service

    scans for unsolicited 'junk' email and ensures that only relevant emails enter the company's system.

  • Anti-virus service

    scans emails for computer viruses.

  • Application Programming Interface

    An interface to a computer operating system or software program that gives other programs access to functions similar to those offered to users through a graphical user interface

  • Application Sharing

    allows you to conference with someone who may not have the same application software programs you have. One person launches the application and it runs simultaneously on both desktops and both people can view the application screen simultaneously.

  • Archie

    a tool used to search for information contained on FTP sites throughout the world.


    American Standard Code for International Interchange, the standard code computers use to represent numbers, letters and special characters.

  • ASP

    An application service provider (ASP) is a company that offers individuals or enterprises access over the internet to applications and related services that would otherwise have to be located in their own computers.

  • Audioconferencing

    When more than one person is in a single location, speakerphones or special audioconference terminal equipment is employed. When more than two locations are involved, multipoint network bridging equipment or Internet-based software is used.

  • Automatic Teller Machine

    A machine that dispenses cash when you insert your bank card

  • Backbone

    a backbone is a high-speed line or series of connections that forms a major pathway within a network.

  • Backhaul

    the term used to describe how switches get data to the backbone network.

  • Bandwidth

    bandwidth is the width of the electronic highway that gives you access to the internet. The higher the bandwidth, the wider the highway, and the faster traffic can flow.

  • Basic Input/Output System

    A fundamental element of PCs and other computers. It is a kind of built-in software that determines what a computer can do without accessing programs from a disk.

  • Baud

    the number of symbols sent per second by modem (14,400bps=2,400 baud).

  • Binary digit

    Computers can only process information that is formatted as a series of zeroes and ones - binary digits or bits - so all letters, documents, sounds and visuals are held as bits. Bandwidth and broadband speed are measured by how many thousands or millio

  • Bit

    short for binary digit, a bit is the smallest unit of data a computer can handle. Bits are used in combinations to represent different kinds of data. Each bit has a value of 0 or 1.

  • Bps

    (Bits-Per-Second) - a measurement of how fast data is moved from one place to another.

  • BRI

    Basic Rate Interface : The ISDN standard that governs how phones and other electronic devices are connected to the ISDN switch.

  • Bridge

    The piece of equipment that facilitates the communication of three or more sites in a single conference; also known as a Multipoint Control Unit (MCU).

  • British Standards Institution

  • Broadband

    the provision of multiple channels of information, over a single link which supports high speed through-put of data. The information could consist of voice, video or data.

  • Browser

    a program that allows you to view HTML documents on the World Wide Web.

  • BTN

    (Billing Telephone Number) - The phone number associated, for billing purposes, with the working phone number.

  • By The Way

    Computer jargon, short for 'by the way'

  • Byte

    a byte is a series of bits of a particular length, usually 8. Computer storage space is measured in bytes. A Kilobyte (or 1K) represents 1024 bytes and a Megabyte (1Mb) represents one thousand "K" bytes, or one million bytes.

  • Cache

    A memory storage device designed to speed up the operation of a computer. Pronounced cash

  • Call Spoofing

    The concept of mimicking correct responses to keep level requests alive at the local end of a temporarily broken connection is called connection (or call) spoofing.

  • Calling Line Identifier

    A mechanism whereby the number originating a telphone call is passed along with the call. The information allows the called party to know who is calling. In some cases callers can withhold display of their numbers.

  • CAPI

    In Europe, CAPI (Common Application Interface) provides a common ISDN software platform for communication applications.

  • Carrier

    A telecommunications provider which owns switch equipment.


    Consultative Committee International for Telegraphy and Telephony. A European-based, international advisory committee recommending worldwide standards for transmission. This committee is now known as ITU.

  • CDR

    (Call Data Record) - Record of a placed call. A CDR includes the time the call was placed and the duration of the call.

  • CGI Script

    Common Gateway Interface is a language that allows for interaction between the server and the client browser.

  • Channel

    A path for electrical transmission between two or more points. Also called a link, line, circuit, or facility.

  • Client

    a computer that uses the services of another. When you connect to the Internet your computer becomes a client.

  • Clipping Situation

    Where a system cuts off the first part of the first word in a sentence.

  • Clocking

    Enables connected telephony equipment to work together by keeping a clock running at the same time between them.

  • Closed Circuit Television

    A networked camera used for surveillance, process monitoring and other purposes.

  • COLD

    Computer Output Laser Disk - Writable optical disk that is used as an alternative to ordinary magnetic disk devices or magnetic tape cartridges for certain high volume applications with suitable retrieval patterns.

  • Comit Europenne de Normalisation

    European Standardisation Commission, generates standards that have official status in the EC

  • Comit Europenne de Normalisation Electronique

    European Electrotechnical Commision. Sets up electronic ('electro-technical') STANDARDS FOR THE ec AND efta countries and has official status in EC

  • Common Gateway Interface

    The Common Gateway Interface (CGI) allows a web server to interact with other computer programs. Many of these programs are written using interpreted scripting languages. They can be responsible for introducing security vulnerabilities into online serv

  • Competitive Access Provider

    An American term to describe a business that connects telecomms users directly with long distance carriers for voice, data and video transmission

  • Computer Telephony Integration

    Generally used to describe self contained PC applications that add value to telephony

  • Cookie

    The most common meaning of 'cookie' on the internet refers to a piece of information sent by a web server to a web browser that the browser software is expected to save and to send back to the server whenever the browser receives additional requests fr

  • CoS

    Class of service (CoS) is a way of managing traffic in a network by grouping similar types of traffic (for example, e-mail, streaming video, voice, large document file transfer) together and treating each type as a class with its own level of service p

  • Country Code

    Two or three digit codes used for International calls. E.g - UK 0044, USA - 001.

  • CPE

    Customer Premises Equipment that portion of the ADSL system residing within the customer's premises.

  • CPI

    Customer Premises Installation - the phone network within the home or business.

  • CSV

    Circuit Switched Voice: This is traditional phone service.

  • Custom Signalling

    Information represented in digital form, including voice, text, facsimile, and video.

  • Customer Relationship Management

    A computer system that assists an organisation in providing service to its customers. Typically, a CRM system allow call centre agents, online applications and other services to access and update customer records and maintain details of purchases, faul

  • Dark fibre

    fibre optic cable without the necessary equipment to transmit a telecommunication signal over the fibre.

  • Data centre

    purpose-built facility providing a secure, resilient environment for server and firewall hosting.

  • Data Conferencing

    Interactive sharing and modification of PC applications, including spreadsheets, presentations and documents.

  • Data Encryption

    Data Encryption is the manipulation of a packet's data in order to prevent anyone but the intended recipient from reading that data.

  • Datarate

    The measurement for bandwidth in bits per second. In general, the higher the datarate, the higher the quality of video.

  • DDI

    (Direct Dial In) - Designates a private number or direct line which either bypasses the switchboard/PABX or is available after hours.

  • Dedicated Access

    A private connection between a customer's equipment and a company providing transmission services. The connection bypasses the local switched telephone network.

  • Dedicated Nework

    Sometimes referred to as a private or leased line. Exclusively a single customer uses this transmission circuit.

  • Dedicated server

    a server which is used solely for one company's purpose, it is not shared with any other party. This can be located at the company's own premises or located/managed by a data centre.

  • Diallers

    Dialling Equipment that pulses out a standard dial protocol signal.

  • Digital

    The use of a binary code to represent information, such as 0/1, or on/off.

  • Digital Central Office

    American term for digital exchange

  • Digital Transmission

    A way of sending coded information via a series of electric or light pulses through the air, over wires, or through glass fibers.

  • Direct Dialling In

    A facility enabling telephone users to dial direct into a firm's PABX extensions as if they were normal public telephone numbers. Known as DID in the USA, not to be confused with DIA.

  • Direct Distance Dialling

    The American term for STD

  • Disk Operating System

    Often used to denote MS-DOS (q.v.)

  • DNS

    Domain Name Server, a computer on the Internet that translates between domain names ( and an Internet Protocol address (

  • Domain

    A domain, in computer file transfer systems, is an administrative entity, while a network is a technological one. A domain may include parts of many networks, and a network may include parts of many domains.

  • Domain Name

    the domain name is the unique name that identifies an internet site. A given server may have more than one domain name, but a given domain name points to only one server.


    Digital Private Network Signalling Standard. A signalling standard used to control voice traffic over an E1 between PBXs allowing features to be operated transparently between sites.

  • DSL

    Digital Subscriber Line: Modems on either end of a single twisted pair wire that delivers ISDN Basic Rate Access.

  • DSP

    A digital signal processor (DSP) is a CPU that is tailored to handle complex mathematical functions.

  • E1

    E1 (or E-1) is a European digital transmission format devised by the ITU-TS. The E1 signal format carries data at a rate of 2.048 million bits per second and can carry 32 channels of 64 Kbps each.

  • Echo Cancellation

    A technique used in high-speed modems and voice circuits to isolate and filter out unwanted signal energy caused by echoes from the main transmitted signal.

  • Electronic Data Interchange

    The process of automating the exchange of business information such as purchase orders, delivery notes and invoices over a data network

  • Electronic Mail

    Messages containing text and possibly also image, sound, video and programs, are sent from one user to another using electronic transmission. The technique is widely used to send memos, reports and other documents from desktop to desktop by way of the

  • Ethernet

    Ethernet is a network standard of communication using either coaxial or twisted pair cable. The most widely used for of LAN communication, Ethernet typically runs at 10 Mpbs, 100 Mbps or Gigabit speed of transfer.

  • ETSI

    ETSI is the European Telecommunications Standards Institute.

  • European Computer Manufacturers Association

    An industry association, now known as the European Association for Standardisation of Information and Communication Systems.

  • European Telecommunications Standard

    These standards are laid down by the European Telecommunication Standards Institute (ETSI)

  • European Union

    The 'new' name for the European Economic Community

  • Extranet

    an extranet is a network that allows a company to share information with other businesses and customers.

  • Fabric

    The interconnection of two or more Fibre Channel switches in such a manner that data can be physically transmitted between any of the switches.

  • Far-End

    A telecommunications carrier based remotely in another location.

  • FastE

    (Fast ethernet) - a faster version of Ethernet. Instead of the network running at 10Mbps, the performance is increased ten fold to 100Mbps.

  • FC-AL

    Fibre Channel Arbitrated Loop (FC-AL) is the most widely accepted standard of Fibre Channel. FC-AL has transfer rates of 100M bit/sec. per channel and transmission distances of up to 10 kms.

  • FEXT

    Far End CrossTalk: The interference occurring between two signals at the end of the lines remote from the telephone switch.

  • Fibre Channel

    Fibre Channel is a network technology that was designed to support applications that require high bandwidth.

  • Firewall

    a computer that serves as a barrier between undesirable information on the Internet and a network.

  • Flaming

    the act of sending email, newsgroup posting or chat room messages intended to upset the recipient.

  • Flexible Bandwidth Service

    Offers a more manageable, resillient and flexible way of providing multiplexed bandwidth

  • FPS

    Frames per Second

  • FTP

    File Transfer Protocol is used to transfer files from one computer to another by way of the Internet.

  • Full Duplex

    A system capable of transmitting and receiving signals simultaneously.

  • Gateway

    a computer that connects different types of networks together.

  • Gbps

    Gigabits per second, a measure of speed of transmission of data.

  • GIF

    Graphic Interchange Format - A popular device independent image format origination from the CompuServe network.

  • GigE

    (Gigabit Ethernet) - a transmission technology based on the Ethernet frame format and protocol used in local area networks, provides a data rate of 1 billion bits per second (one gigabit).

  • Global System for Mobile Communications

    Acronym for the digital cellular radio system based on pan European specifications. Originally stood for Groupe Speciale Mobile, now Global System for Mobile Communication.

  • H. 323

    An ITU-T standard for IP Telephony.

  • Hacker

    Originally used to describe someone with a deep and thorough understanding oc o puters and considerable skills and ability to program them. Misuse in the media has lead to the term becoming synonymous with 'cracker' much to the dissatisfaction of the s

  • Half Duplex

    A system capable of transmitting and receiving signals in one direction at a time.

  • Hard Answer

    Where far-end signalling equipment does not connect properly, causing calls to be met with silence

  • HBA

    An adapter that plugs into a host and lets the host communicate with a SCSI device.

  • Host

    a host is any computer directly connected to a network that acts as a repository for services (such as email, FTP or World Wide Web) available for other computers on the network.

  • HTML

    Hyper Text Mark-up Language, the code used to write or create web pages.

  • HTTP

    Hyper Text Transfer Protocol, the means by which web pages are sent over the Internet.

  • Hub

    A physical entity which connects multiple network nodes with each other using point-to-point hard wiring.

  • Hypertext

    a system of writing and displaying text that links to other related documents

  • ICR

    Intelligent Character Recognition - Optical character recognition systems capable of reading any text regardless of typeface, style or size are usually termed ICR systems.

  • IDN

    Integrated Digital Network, the phone company's digital network. It provides digital service within and between all phone companies, but not to the customer's door.

  • Information Technology

    Referring to the computers, software and skills associated with processing information

  • Internet

    an Inter-connected Network of computers spanning the globe.

  • Internet Protocol

    An agreed standard protocol across all internet systems. It transports data packets across the internet. Communication hosts on the internet have an IP address, also known as a dotted quad or dotted decimal, which uniquely identifies the machine.

  • Internet Service Provider

    An institution that provides access to the internet in some form. User subscription is the original way of paying for net access but free services, paid by advertising, are becoming increasingly common such as ClickFree and TescoNet.

  • InterNIC

    a non-profit organization which assigns domain names and IP addresses.

  • Intranet

    an internal Internet, designed for use within the confines of a company, university, or organisation. What distinguishes an Intranet from the freely accessible Internet is that an Intranet is private.

  • IP

    Internet Protocol, a scheme for transferring information from one network to another.

  • IP address

    a numeric code that uniquely identifies a particular computer on the Internet. Just as a street address identifies the location of your home or office, every computer or network on the Internet has a unique address too.

  • IP Telephony

    A generic term for operating a telephone system over an IP network, rather than the traditional PSTN.

  • IRC

    Internet Relay Chat, a text based form of real time chat over the Internet.

  • iSCSI

    The iSCSI protocol (also referred to as IP storage) combines the use of block-level data movement with TCP/IP networks. By allowing SCSI commands to travel through IP networks, high-speed IP networking technology can carry data from storage units to se

  • ISDN

    Integrated Services Digital Network - ISDN lines are connections that use ordinary phone lines to transmit digital instead of analogue signals, allowing data to be transmitted at a much faster rate than with a traditional modem.

  • ISP

    Internet Service Provider.

  • ITU

    International TeleCommunication Union, an international organization within which governments and private sector coordinate global telecom networks and services. The ITU-T, the Telecommunication Standardization Sector of the ITU, creates CODECS for vid

  • Jack Type

    Different types of jacks (RJ11, RJ45, or RJ48) can be used for an ISDN line. The RJ11 is the most common in the world and is most often used for analog phones, modems, and fax machines.

  • JAVA Script

    similar to Active X but developed earlier by Sun Microsystems.

  • Jitter

    The deviation of a transmission signal in time or phase. It can introduce errors and loss of synchronization in high-speed synchronous communications.

  • JPEG

    Joint Picture Expert Group - a picture compression standard algorithm developed by this group. JPEG is designed for highly effective compressing of either full-colour or grey-scale continuous tone digital images.

  • Kbps

    Kilobits per second, a measure of speed of transmission of data.

  • Kilobyte

    The size of a file expressed in thousands of bytes

  • LAN

    Local Area Network, LAN refers to a local network that connects computers located on the same floor or in the same building or nearby buildings.

  • Latency

    The degree of delay on a communication link. Low latency is always desirable, but is particularly critical on voice and videoconferencing links. A higher degree of latency can be tolerated on data, where the primary requirement is for the integrity of

  • Leased Line

    refers to a dedicated line that is used for exclusive 24/7 integrated voice, data and internet usage, from one location to another.

  • LES 10

    LAN Extension Service, running at 10 M/Bits per second.

  • LES 100

    LAN Extension Service, running at 100 M/Bits per second.

  • Load Balancing

    Load balancing is a method to reduce/resolve your web traffic bottlenecks. It can also enhance your customers/site user experience as a result.

  • LUN

    Short for ???Logical Unit Number???, used to identify SCSI devices so the host can address and access the data on each disk drive in an array.

  • Managed Services

    refers to activities which are outsourced by the company and managed by the Internet Service Provider.

  • Mbps

    Megabits per second, a measure of speed of transmission of data.

  • MCU

    Multi-point control unit. A system which creates and controls video conferencing sessions.

  • Metro Ethernet

    In enterprise networks, Metro Ethernet is used primarily for two purposes: connectivity to the public internet and connectivity between geographically separate corporate sites ??? an application that extends the functionality and reachability of corpor

  • Microfilm

    The generic term used to describe any device which uses a film process and records multiple pages of data onto the film. Film is usually 16 mm roll.

  • Microfishe

    Microfilm that contains multiple frames of information on a 3 x 5 type piece of microfilm, e.g. at 42x resolution there are 208 frames of data recorded.

  • Microsoft Disk Operating System

    Layers of software between the application program and the operating environment, which insulates application programs from changes in the operating system. The term is also used to mean a layer of software which serves the sole purpose of making two d

  • Mobile VPN

    a Mobile Virtual Private Network (VPN) is applicable to remote workers, allowing them to connect to a corporate LAN from their PC, through a secure, encrypted connection.


    short for Modulator / Demodulator, a modem is a device that allows remote computers to communicate, transmit and receive data using telephone lines.

  • MPLS

    (Multiprotocol Label Switching) is a standards-approved technology for speeding up network traffic flow and making it easier to manage.

  • Multipoint Conference

    A videoconference involving three or more videoconference systems - a video party call.

  • MUX

    (Multiplexer) - a device allowing two or more signals to pass over and share a common transmission path simultaneously.

  • NAP

    Network Access Provider: Another name for the provider of networked telephone and associated services, usually in the U.S.

  • Narrowband

    a communication channel with a bandwidth of typically less than 64 Kbps.

  • NAS

    (Network Attached Storage) - is simply defined as a network of shared storage devices.

  • Netiquette

    the general term to define proper Internet behaviour.

  • Network

    a network is two or more computers connected to each other so they can share resources.

  • NOC

    (Network Operations Centre) - a central location for monitoring and maintaining a network.

  • NSP

    Network Service Provider: The term for an organization offering and providing value added network services on a telecommunications network.

  • NU

    Number Unavaliable.

  • OCR

    Optical Character Recognition - OCR-A and OCR-B are two typefaces especially designed for OCR applications; a technique for reading a font optically. OCR may refer to either the technique or the system. The ability to read any printed text regardless o

  • Online

    Connected to the internet

  • Operating System

    The 'soul' of a computer

  • Optical Character Recognition

    The technique of recognising printed text and turning it into computer input, so avoiding the need for keyboard entry. Widely used now for avoiding the retyping of documents.

  • OSP

    (Operator Service Provider) - the vendor that supplies operator service.

  • Packet

    An ordered group of data and control signals transmitted through a network as a subset of a larger message.

  • PBX

    (Private Branch Exchange) is a telephone system within an enterprise that switches calls between enterprise users on local lines while allowing all users to share a certain number of external phone lines.

  • PDF

    The native document format for the Adobe Acrobat family of products.

  • PDH

    (Plesiochronous Digital Hierarchy) - "plesiochronous" means "almost (but not) synchronous" or a call that must be extracted from more than one transmission.

  • Peering

    Peering is when an ISP directly exchanges traffic with another over either a private link or public exchange point instead of using the public internet.

  • Personal Digital Assistant

    A handheld computer device, typically offering access to diary information, contact lists and other information synchronised to a desktop computer. Can also act as a mobile communication device.

  • Phishing

    Phishing are emails pretending to be from a known and trusted company, like your bank, phone company or ebay, where they ask you to re-submit your personal details, password or even account number. They can be hard to distinguish from genuine emails as

  • PIN

    Personal Identification Number, personal unique security codes that callers use to access their accounts.

  • Plug-ins

    a plug-in extends the capabilities of a web browser, such as Netscape Navigator or Microsoft Internet Explorer, allowing the browser to run multimedia files.

  • Point of Demarcation

    The physical point where the phone company ends its responsibility with the wiring of the phone line.

  • Point-to-Point Conference

    Point Of Presence, The physical access location interface between a local exchange carrier and an Interexchange Carrier fiber network. The point to which the telephone company terminates a subscriber's circuit for long distance service or leased line c

  • POP

    a point-of-presence (POP) is an access point to the internet. A POP must have a unique IP address. Internet service providers have at least one point-of-presence on the internet.

  • POP

    The physical point where the phone company ends its responsibility with the wiring of the phone line.

  • POP3

    Post Office Protocol 3 is the most recent version of a standard protocol for receiving email. POP3 is a client/server protocol in which email is received and held for you by your internet server.

  • Port

    The physical interface to a computer multiplexer, for connection of terminals and modems. Like reserved seats around a dinner table, ports are the place where video sites 'sit' in order to communicate with other sites

  • Portal

    usually used to described a website that is intended to be the first site people visit when using the web. A portal site may offer email and other services to entice people to use that site as their main point of entry.

  • POTS

    Plain Old Telephone Service: The only name recognized around the world for basic analog telephone service. POTS takes the lowest 4kHz of bandwidth on twisted pair wiring. Any service sharing a line with POTS must either use frequencies above POTS or co

  • PPP

    Point-to-Point Protocol, a scheme to connect to computers over a phone line.

  • Prepaid Phone Card

    A plastic or paper card that allows a person to pay for long distance/local phone calls in advance.

  • PRI

    Primary rate interface. An ISDN circuit running at E1 speed, consisting of 30 x 64Kbps voice channels (known as B channels) and 1 x 64Kbps signalling channel (known as the D channel). Commonly used for connecting PBX's to the PSTN.

  • Protocol

    a protocol is the standard or set of rules that two computers use to communicate with each other.

  • Proxy server

    a proxy server is a server that acts as an intermediary between a workstation user and the internet so that the enterprise can ensure security, administrative control and caching service.

  • PSTN

    Public Switched Telephone Network, the regular, old-fashioned telephone network.

  • PTT

    The generic European name usually used to refer to state owned telephone companies.

  • Q931

    An ITU-T signalling standard for controlling calls over an ISDN link (BRI or PRI).

  • QoS

    Quality of Service. The QoS of an IP network would be defined by the packet loss, latency, jitter and thruput achieved

  • Rack size

    the standard size for each server is 19" or 4U. A complete rack is 42U.

  • RAID

    A redundant array of independent disks (RAID) is a common system for high-volume data storage at the server level. RAID systems use many small-capacity disk drives to store large amounts of data and to provide increased reliability and redundancy. Such


    Revenue Per Available Workstation


    Revenue Per Occupied Workstation

  • Router

    a device that routes information and data throughout a network or group of networks.

  • Router

    A modem capable of providing service to more than one computer in your home or office.

  • SAN (Storage Area Network)

    A storage area network (SAN) is a high-speed, special-purpose network that interconnects different kinds of data storage devices.

  • SDH

    (Synchronous Digital Hierarchy) is a standard technology for synchronous data transmission on optical media. It provides faster and less expensive network interconnection than traditional PDH equipment.

  • Search Engine

    a web site that allows you to search a large database of web sites by key words and phrases.

  • Secure Internet Protocol

    A secure form of the Internet protocol, which uses public key encryption techniques to provide integrity, confidentiality and authentication of IP data packets.

  • Server

    a computer that handles requests for data, email, file transfers and other network services from other computers (i.e. clients). Also called a host.

  • Service Level Agreement

    Defines how a service should perform and the sanctions if it fails to perform

  • Short Message Service (a text message).

  • Short Messages Service

    Used to convey text messages between digital mobile phones

  • Signalling

    The exchange of information for call setup and control. Sends information on the phone network regarding phone numbers, busy status, call interruptions, hang-ups, etc. The grating tones that a touch tone phone makes are part of signalling - they are in

  • Simple Mail Transfer Protocol

    The standard protocol for transferring electronic mail from one computer to another through the Internet

  • SIP

    Session Initiation Protocol. A Internet Engineering Task Force (IETF) defined protocol which has been widely adopted for use in IP Telephony.

  • SLA

    A Service Level Agreement (SLA) is a contract between a network service provider and a customer that specifies, usually in measurable terms, what services the network service provider will provide.

  • SME

    Small to Medium sized Enterprise

  • SMS

  • SMTP

    Simple Mail Transport Protocol, the means by which email is sent over the Internet.

  • SOHO

    Small Office Home Office: An industry segment including sole traders, home workers and others.

  • SPAM

    unwanted or unrequested email, named after a Monty Python Skit of the same name.

  • SSL

    Secure Socket Layer, encrypted communications path between two computers. Theoretically protects customer information.

  • SVN

    Subscriber Verification Number: The SVN is the number issued by the long distance carrier to confirm the order for long distance service.

  • Synchronous

    In digital telephone transmission, "synchronous" means the bits from one call are carried within one transmission frame.

  • TCP/IP

    Transport Control Protocol/ Internet Protocol, the protocol that allows information of all kinds to be sent across the Internet.

  • Telco

    Telephone Company The local or regional telephone company that owns and operates lines to customer locations. Examples of Telco's could be Worldcom, BT, KDDi.

  • Teleconferencing

    Teleconferencing is the use of electronic channels to facilitate communication among groups of people at two or more locations. Teleconferencing is the generic term that refers to a variety of technologies and applications.

  • Teleworking

    The practice of working at a distance from the employer, generally relying on electonic means to deliver the work or to provide the service in question.

  • Telnet

    a program that allows you to log into other computers on the Internet.

  • Tier 1

    Tier 1 providers/networks, such as BT, offer many benefits, such as SLAs, which can include a 99.9% uptime guaranteed. They also provide high security, continuous power, and protection from natural disasters, but the key difference of a Tier 1 provider

  • TIFF

    Tagged Image File Format - A file format for graphics developed by Aldus, Adobe and Apple that is particularly suited for representing scanned images and other large bit maps.

  • TPM

    Third Party Maintenance

  • Universal Serial Bus.

    USB is a simple pluggable technology used to connect all kinds of devices including keyboards, mouse, digital cameras, disc drives to your computer.

  • URL

    Uniform Resource Locator, the whole address of information on the Internet.

  • VAR

    Value Added Reseller, Company offering services other than the core service. For example, a company who sells computers and offers training, service, and on-going maintenance is considered a VAR.

  • Video Display Unit

    A combination of computer monitor screen and keyboard

  • Videoconferencing

    is the combination of dedicated audio, video, and communications networking technology for real-time interaction, and is often used by groups to communicate with other groups of people.

  • Virtual ISDN

    This is an alternative way for a customer to get ISDN service. A customer can be serviced out of a nearby central office which has ISDN capabilities but not charged the extra mileage charges as they would with a foreign exchange. The phone company does

  • Virtual reality

    The use of multimedia to create a simulation of a product or servce so that a user can experience and interact with it (e.g. driving a car)

  • Virus

    a computer virus is a program created specifically to invade computers and networks, potentially causing serious damage.

  • Voice Compression

    The conversion of an analog voice signal into a digital signal using minimum bandwidth (16 kbps or less).

  • Voice Mail

    An automatic answering service with the ability to record a message. Unlike simple answering machines, voice mail uses a programmable computer system with options such as temporary call routing, monitoring and reporting, etc.

  • Voice VPN

    A virtual private network designed for carrying telephone traffic between customer sites across the PSTN replacing private circuits.

  • VoIP

    VoIP (Voice over Internet Protocol) means delivering voice traffic via the Internet Protocol technology instead of using the traditional Public Switched Telephone Network.

  • VPN

    A virtual private network is essentially a system that allows two or more private networks to be connected over a publicly accessible network, such as the internet .

  • WAN

    Wide Area Network, A number of computers connected together to form one network over several locations. Could be made up of several LANS all connected together across the world for example.

  • WI-FI

    Wireless broadband that is available at 'hotspots' in thousands of public locations across the UK and around the world

  • WNP

    Wireless Number Portability.

  • World Wide Web

    A facility developed for the internet, but also used on virtual private networks, which enables network servers to be set up and registered. These servers contain Hypertext which when clicked on by a user will point them to other network files containi

  • Zoning

    The process of dividing a storage area network into zones.

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