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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. History of the telephone in the United States - Wikipedia

    en.wikipedia.org/wiki/History_of_the_telephone...

    The telephone played a major communications role in American history from the 1876 publication of its first patent by Alexander Graham Bell onward. In the 20th century the American Telephone and Telegraph Company (AT&T) dominated the telecommunication market as the at times largest company in the world, until it was broken up in 1982 and replaced by a system of competitors.

  4. ICT Group - Wikipedia

    en.wikipedia.org/wiki/ICT_Group

    ICT Group, Inc. was a multinational call center and outsourcing company based in the Philadelphia suburb of Newtown. [1]During the Great Recession, it closed call centers in the United States and Canada, and reduced staff numbers in the United Kingdom, Ireland and Australia, as part of a plan to move its operations to lower-wage countries.

  5. Operator messaging - Wikipedia

    en.wikipedia.org/wiki/Operator_messaging

    A message center or “message desk” was a centralized, manual answering service inside a company staffed by a few people, usually women, answering everyone's phones. Extensions that were busy or rang “no answer” would forward to the message center onto a device called a “call director”.

  6. Telephone exchange - Wikipedia

    en.wikipedia.org/wiki/Telephone_exchange

    For a local call, the operator inserted the front cord of the pair (ringing cord) into the called party's local jack and started the ringing cycle. For a long-distance call, the operator plugged into a trunk circuit to connect to another operator in another bank of boards or at a remote central office. In 1918, the average time to complete the ...

  7. PSTN network topology - Wikipedia

    en.wikipedia.org/wiki/PSTN_network_topology

    PSTN network topology is the switching network topology of a telephone network connected to the public switched telephone network (PSTN).. In the United States and Canada, the Bell System network topology was the switching system hierarchy implemented and operated from c. 1930 to the 1980s for the purpose of integrating the diverse array of local telephone companies and telephone numbering ...

  8. Timeline of the telephone - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the_telephone

    11 February 1876: Elisha Gray invents a liquid transmitter for use with a telephone, but he did not make one. 14 February 1876 about 9:30 am: Gray or his lawyer brings Gray's patent caveat for the telephone to the Washington, D.C. Patent Office (a caveat was a notice of intention to file a patent application.

  9. 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: 3 January 2017 31,000 (2021) US$4.140 billion (2021) 22 countries (2021)