Unified Communications Definitions

This glossary explains the meaning of key words and phrases that information technology (IT) and business professionals use when discussing unified communications and related software products. You can find additional definitions by visiting WhatIs.com or using the search box below.

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  • S

    streaming video

    Streaming video is content sent in compressed form over the Internet and displayed by the viewer in real time.

  • T

    T.38 fax over IP (FoIP protocol)

    T.38 is a protocol for sending faxes over a voice over IP (VoIP) network or the Internet in real time.

  • tcpdump

    Tcpdump is an open source command-line tool for monitoring (sniffing) network traffic.

  • team collaboration tools

    Team collaboration tools -- also known as team collaboration software -- is a term used to define the different types of software and online services available to companies and individuals that enable them to feasibly work together on common projects, regardless of their physical location.

  • teleconference

    A teleconference is a telephone meeting among two or more participants involving technology more sophisticated than a simple two-way phone connection.

  • telegraph

    A telegraph is a system in which information is communicated over a wire with a series of electrical current pulses, usually in the form of Morse code. The basic components include a source of direct current, a length of wire or cable, and a current-indicating device such as a relay, buzzer, or light bulb. A message sent by telegraph is known as a telegram...(Continued)

  • telephony

    Telephony is technology associated with interactive communication between two or more physically distant parties via the electronic transmission of speech or other data.

  • U

    UCaaS (Unified Communications as a Service)

    Unified communications as a service (UCaaS) is a cloud delivery model that offers a variety of communication and collaboration applications and services.

  • unified communications (UC)

    Unified communications (UC) is a conceptual and technological framework for integrating various enterprise communication methods -- telephony, presence, voicemail, video calling and conferencing, email, instant messaging, etc. -- within a single platform, with the goal of streamlining and enhancing business communications, collaboration and productivity.

  • unified communications and collaboration (UCC)

    Unified communications and collaboration (UCC) is the collection of technology and software that combines enterprise communication with real time, asynchronous cooperation capabilities.

  • V

    Video as a Service (VaaS)

    Video as a Service (VaaS) is a delivery model where video conferencing capabilities are outsourced to a managed service provider and delivered over an IP network.

  • video conferencing

    Video conferencing is live, visual connection between two or more remote parties over the internet that simulates a face-to-face meeting.

  • video telephony

    Video telephony is full-duplex, real-time audio-visual communication between or among end users.

  • virtual call center

    A virtual call center is a call center in which the organization's representatives are geographically dispersed, rather than being situated at work stations in a building operated by the organization.

  • virtual meeting room

    A virtual meeting room is a cloud-based collaboration space that allows people in disparate geographical locations to meet in real time.

  • virtual phone number

    A virtual phone number is a telephone number is used to route calls to the user's actual phone number or numbers.

  • vishing (voice or VoIP phishing)

    Vishing is an electronic fraud tactic in which individuals are tricked into revealing critical financial or personal information to unauthorized entities... (Continued)

  • voice activation detection (VAD)

    In Voice over IP (VOiP), voice activation detection (VAD) is a software application that allows a data network carrying voice traffic over the Internet to detect the absence of audio and conserve bandwidth by preventing the transmission of "silent packets" over the network.

  • voice logger

    A voice logger is a device or program used to record audio information from telephones, radios, microphones and other sources for storage on a computer's hard drive or removable media.

  • voice-to-text

    Voice-to-text is a type of speech recognition program that converts spoken to written language... (Continued)

  • VoiceXML

    VoiceXML is an application of the Extensible Markup Language (XML) which, when combined with voice recognition technology, enables interactive access to the Web through the telephone or a voice-driven browser.

  • VoIP (voice over IP)

    VoIP (voice over Internet Protocol) is the transmission of voice and multimedia content over an internet connection.

  • VoIP caller ID (Voice over Internet Protocol caller identification)

    VoIP caller ID (Voice over Internet Protocol caller identification) is a caller ID application for VoIP phones that works in much the same way as caller ID on a conventional telephone line but with enhanced features and flexibility... (Continued)

  • VoIP phone

    A VoIP phone is a hardware- or software-based telephone designed to use voice over IP (VoIP) technology to send and receive phone calls over an IP network.

  • VoIP trunk gateway

    A VoIP trunk gateway is an interface that facilitates the use of plain old telephone service (POTS) equipment, such as conventional phone sets and fax machines, with a voice over IP (VoIP) network.

  • VoIP: Glossary

    This handy glossary will assist you with terminology related specifically to voice over IP.

  • vomit

    Vomit (spelled all lower-case) is a Unix software utility that takes IP telephony packets captured by another Unix tool, tcpdump, and reassembles them into a Wave file that can be listened to over a computer's speakers.

  • Vonage

    Vonage is a communication platform as a service (CPaaS) provider for consumers and businesses that makes it possible for customers to connect and communicate on any device through cloud-hosted voice, video, chat and short message service (SMS).

  • W

    web conferencing

    Web conferencing is a form of communication that enables real-time sharing of computer screens, applications or web-based content among two or more devices.

  • WebRTC (Web Real-Time Communications)

    Web Real-Time Communications (WebRTC) is an open source project that is expected to make video communication more user-friendly by embedding voice, text and video communications capabilities in Web browsers.

  • Wi-Fi cell phone (cellular-Internet phone or cell-Internet phone)

    A Wi-Fi cell phone (also called a cellular-Internet phone or cell-Internet phone) is a wireless telephone set that can automatically switch between conventional cellular and Wi-Fi VoIP modes, even during the course of a conversation... (Continued)

  • Z

    zenware

    Zenware refers to application programs that function with a minimum of superfluous user intervention... (Continued)

  • ZRTP (Zimmermann Real-Time Transport Protocol)

    ZRTP is an extension of the Real-Time Transport Protocol (RTP) that describes a method of generating cryptographic keys for enhanced communications security and privacy... (Continued)

  • Learn IT: Instant Messaging in the Workplace

    Here's how it works: We give you a little background about the concept, a glossary to look up related terms, some outside reading, and a self-assessment quiz.

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