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.

  • M

    media gateway

    A media gateway is any device, such as a circuit switch, IP gateway, or channel bank that converts data from the format required for one type of network to the format required for another.

  • Message Session Relay Protocol (MSRP)

    Message Session Relay Protocol (MSRP) is a protocol for exchanging a series of related instant messages across an IP network in the context of a session.

  • Microsoft Teams

    Microsoft Teams is cloud-based team collaboration software that is part of the Office 365 suite of applications.

  • N

    National Call Fee Access (NCFA)

    In the U.K., National Call Fee Access (NCFA) is a Number Translation Service (NTS) that enables a caller that calls a non-geographic telephone number beginning with 0870 or 0871 to be charged what is known as the national call rate.

  • O

    off-peak

    Off-peak, in a call center context, describes a time period with fewer calls than are handled in a busy period... (Continued)

  • Open Settlement Protocol (OSP)

    Open Settlement Protocol (OSP) is a client-server protocol that manages access control, accounting, usage data and inter-domain routing to make it easier for Internet service providers to support IP telephony.

  • Optivity Telephony Manager (OTM)

    Optivity Telephony Manager (OTM) is an application that provides single-point analysis, configuration, and management of telephony networks using a Web browser or graphical user interface (GUI).

  • ORTC (Object Real-Time Communications)

    ORTC (object real-time communications) is an open source component of WebRTC that enables mobile endpoints to talk to servers and Web browsers with real-time communications capabilities. ORTC is under development by a W3C community group that is supported by vendors including Hookflash, Google and Microsoft.

  • outbound call center

    An outbound call center is one in which call center agents make outbound calls to customers on behalf of a business or client... (Continued)

  • P

    packet loss concealment (PLC)

    Packet loss concealment (PLC) is a technology designed to minimize the practical effect of lost packets in digital communications... (Continued)

  • podcasting

    Podcasting is the preparation and distribution of audio files using RSS to the computers of subscribed users. These files may then be uploaded to digital music or multimedia players like the iPod. A podcast can be easily created from a digital audio file. The podcaster first saves the file as an MP3 and then uploads it to the Web site of a service provider. The MP3 file gets its own URL, which is inserted into an RSS XML document as an enclosure within an XML tag.

  • Premium Rate Service (PRS)

    In the U.K., Premium Rate Service (PRS) is a telephone service that provides recorded information or live conversation for callers similar to 1-900 number service in the U.S. Callers are charged a higher rate on their phone bill, which is then split between the service provider and the network operator who leases the PRS number to the provider.

  • presence leveraging

    Presence leveraging refers to any technology that supports and expands presence, the ability of a network subscriber to locate and identify any other user's computing device as soon as the other user connects to the network... (Continued)

  • presence technology

    Presence technology is a type of application that makes it possible to locate and identify a computing device wherever it might be, as soon as the user connects to the network... (Continued)

  • private branch exchange (PBX)

    A 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.

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