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  2. Call centre - Wikipedia

    en.wikipedia.org/wiki/Call_centre

    The term "call center" was first published and recognised by the Oxford English Dictionary in 1983. The 1980s saw the development of toll-free telephone numbers to increase the efficiency of agents and overall call volume. Call centers increased with the deregulation of long-distance calling and growth in information-dependent industries. [11]

  3. 411 (telephone number) - Wikipedia

    en.wikipedia.org/wiki/411_(telephone_number)

    Direct-distance dialing (DDD) was first introduced in areas with common-control switching (panel and crossbar) in the 1950s.These areas had used 411 for directory assistance, and because of the ability of common-control switching to analyze the initial digits of a number in a "sender" before routing the call, these areas did not require the dialing of an initial 1 to initiate a long-distance call.

  4. Contact center telephony - Wikipedia

    en.wikipedia.org/wiki/Contact_center_telephony

    This is also the reason for the shift in nomenclature from "call centers" to "contact centers", "contact" being a wider term than "call". Respecting the trend, contact center owners need to adopt unified communication or multi-channel approach to let customers get in touch with them via their preferred communication mediums, either voice or non ...

  5. Call box - Wikipedia

    en.wikipedia.org/wiki/Call_box

    A call box or callbox is a box, usually metal, containing a special-purpose direct line telephone or other telecommunications device which has been used by various industries and institutions as a way for employees or clients at a remote location to contact a central dispatch office.

  6. List of call centre companies - Wikipedia

    en.wikipedia.org/wiki/List_of_call_centre_companies

    Company Founded Employees Revenue Locations Atento: 1999 154,000 Concentrix: 1983 290,000+ US$5.3 billion (2020) Conduent: 2017 31,000 (2021) US$4.140 billion (2021) 22 countries (2021)

  7. Switchboard operator - Wikipedia

    en.wikipedia.org/wiki/Switchboard_operator

    Each pair of plugs was part of a cord circuit with a switch associated that let the operator participate in the call or ring the circuit for an incoming call. Each jack had a light above it that lit when the customer's telephone receiver was lifted (the earliest systems required the customer to hand-crank a magneto to alert the central office ...

  8. Telecommunications - Wikipedia

    en.wikipedia.org/wiki/Telecommunications

    Earth station at the satellite communication facility Raisting Earth Station in Raisting, Bavaria, Germany. Telecommunication, often used in its plural form or abbreviated as telecom, is the transmission of information over a distance using electronic means, typically through cables, radio waves, or other communication technologies.

  9. Interactive voice response - Wikipedia

    en.wikipedia.org/wiki/Interactive_voice_response

    Interactive voice response can be used to front-end a call center operation by identifying the needs of the caller. Information can be obtained from the caller such as an account number. Answers to simple questions such as account balances or pre-recorded information can be provided without operator intervention.