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.

  • C

    CoIP (communications over Internet Protocol)

    CoIP (communications over Internet Protocol) is a set of standards defining the transmission of multimedia over the Internet. CoIP can be considered an expansion of VoIP (voice over Internet Protocol) to include text, images, video and other forms of digital data as well as voice information... (Continued)

  • 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. The most common modes are e-mail, texting, Voice over IP (VoIP) and conventional telephone services... (Continued)

  • communications platform as a service (CPaaS)

    Communications platform as a service (CPaaS) is a cloud-based service that allows organizations to add real-time communication capabilities like voice, video and messaging to business applications by deploying application program interfaces (APIs).

  • communications-enabled business processes (CEBP)

    Communications-enabled business processes (CEBP) is the integration of communications capabilities into software-enabled business procedures, applications and technologies... (Continued)

  • D

    data transfer rate (DTR)

    Data transfer rate (DTR) is the amount of digital data that is moved from one place to another in a given time.

  • dedicated line

    A dedicated line is a telecommunications path between two points that is available 24 hours a day for use by a designated user (individual or company).

  • dial peer (addressable call endpoint)

    A dial peer, also known as an addressable call endpoint, is a device that can originate or receive a call in a telephone network.

  • dial peer hunting

    Dial peer hunting is a feature of voice over IP (VoIP) systems in which the device at the originating router attempts to find an alternative addressable call endpoint if it cannot establish a connection to the intended endpoint.

  • 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.

  • E

    E911 (Enhanced 911)

    In the United States, E911 (Enhanced 91 is support for wireless phone users who dial 911, the standard number for requesting help in an emergency.

  • ear and mouth (E&M)

    Ear and mouth (E&M) is a technology in voice over IP (VoIP) that uses a traditional telephone handset with an earphone (or earpiece) for listening to incoming audio and a microphone (or mouthpiece) for transmitting audio.

  • Ethernet/IP (Ethernet Industrial Protocol)

    Ethernet/IP (Ethernet Industrial Protocol) is a network communication standard capable of handling large amounts of data at speeds of 10 Mbps or 100 Mbps, and at up to 1500 bytes per packet.

  • F

    federated presence management (FPM)

    Federated presence management (FPM), also called unified presence management, is a technology that allows device users to control all aspects of their communications with other users, regardless of the make or platform of the devices.... (Continued)

  • find me / follow me

    Find me and follow me are two call forwarding services that are commonly used in conjunction with each other... (Continued)

  • G

    G.711

    G.711 is the default pulse code modulation (PCM) standard for Internet Protocol (IP) private branch exchange (PBX) vendors, as well as for the public switched telephone network (PSTN).

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