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  2. Telecommunications industry - Wikipedia

    en.wikipedia.org/wiki/Telecommunications_industry

    The telecommunications industries within the sector of information and communication technology is made up of all telecommunications / telephone companies and internet service providers and plays a crucial role in the evolution of mobile communications and the information society . Traditional telephone calls continue to be the industry's ...

  3. Videotelephony - Wikipedia

    en.wikipedia.org/wiki/Videotelephony

    Videotelephony (also known as videoconferencing or video call) is the use of audio and video for simultaneous two-way communication. [1] There are many terms to refer to videotelephony. Videophones are standalone devices for video calling (compare Telephone ). In the present day, devices like smartphones and computers are capable of video ...

  4. Telecommunications - Wikipedia

    en.wikipedia.org/wiki/Telecommunications

    Telecommunication, often used in its plural form or abbreviated as telecom, is the transmission of information with an immediacy comparable to face-to-face communication. As such, slow communications technologies like postal mailand pneumatic tubesare excluded from the definition. [1][2]Many transmission mediahave been used for telecommunications throughout history, from smoke signals, beacons ...

  5. List of telephony terminology - Wikipedia

    en.wikipedia.org/wiki/List_of_telephony_terminology

    List of telephony terminology This is a list of telephony terminology and acronyms which relate to telephony networks.

  6. Cellular network - Wikipedia

    en.wikipedia.org/wiki/Cellular_network

    A cellular network or mobile network is a telecommunications network where the link to and from end nodes is wireless and the network is distributed over land areas called cells, each served by at least one fixed-location transceiver (typically three cell sites or base transceiver stations ). These base stations provide the cell with the ...

  7. History of videotelephony - Wikipedia

    en.wikipedia.org/wiki/History_of_videotelephony

    Prior to that time there appeared to be no standard terms for "video telephone", with expressions such as "sight-sound television system", "visual radio" and nearly 20 others (in English) being used to describe the marriage of telegraph, telephone, television and radio technologies employed in early experiments.

  8. Session border controller - Wikipedia

    en.wikipedia.org/wiki/Session_border_controller

    A session border controller ( SBC) is a network element deployed to protect SIP based voice over Internet Protocol (VoIP) networks. Early deployments of SBCs were focused on the borders between two service provider networks in a peering environment. This role has now expanded to include significant deployments between a service provider's ...

  9. SIP trunking - Wikipedia

    en.wikipedia.org/wiki/SIP_trunking

    SIP trunking SIP trunking is a voice over Internet Protocol (VoIP) technology and streaming media service based on the Session Initiation Protocol (SIP) by which Internet telephony service providers (ITSPs) deliver telephone services and unified communications to customers equipped with SIP-based private branch exchange (IP-PBX) and unified communications facilities. [1] Most unified ...