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  2. List of telephony terminology - Wikipedia

    en.wikipedia.org/wiki/List_of_telephony_terminology

    Call waiting - a system that notifies a caller of another incoming telephone call by sounding a sound in the earpiece. Called party - (or callee or B-party) Caller. Calling party. Conference call (multi-party call) COCOT.

  3. List of telecommunications terminology - Wikipedia

    en.wikipedia.org/wiki/List_of_telecommunications...

    Free-space optical communication; Functional profile; G ... List of telecommunications encryption terms; Outline of telecommunication; Telecommunications;

  4. Cellular network - Wikipedia

    en.wikipedia.org/wiki/Cellular_network

    v. t. e. 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 ...

  5. E and M signaling - Wikipedia

    en.wikipedia.org/wiki/E_and_M_signaling

    E and M signaling is a type of supervisory line signaling that uses DC signals on separate leads, called the "E" lead and "M" lead, traditionally used in the telecommunications industry between telephone switches. Various mnemonic names have been used to memorize these letters, such as Earth and Magneto or Ear and Mouth, the most common variation.

  6. Telephone network - Wikipedia

    en.wikipedia.org/wiki/Telephone_network

    A telephone network is a telecommunications network that connects telephones, which allows telephone calls between two or more parties, as well as newer features such as fax and internet. The idea was revolutionized in the 1920s, as more and more people purchased telephones and used them to communicate news, ideas, and personal information.

  7. 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 ...

  8. 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 ...

  9. Code-division multiple access - Wikipedia

    en.wikipedia.org/wiki/Code-division_multiple_access

    Code-division multiple access ( CDMA) is a channel access method used by various radio communication technologies. CDMA is an example of multiple access, where several transmitters can send information simultaneously over a single communication channel. This allows several users to share a band of frequencies (see bandwidth ).