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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  • V

    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 the same way as caller ID on a conventional telephone line.

  • VoIP phone

    A VoIP phone is a hardware- or software-based telephone designed to use voice over Internet Protocol (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.

  • 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)

    WebRTC (Web Real-Time Communications) is an open source project that enables real-time voice, text and video communications capabilities between web browsers and devices.

  • 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)

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