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Telephone exchange
/tˈɛlɪfˌəʊn ɛkstʃˈeɪndʒ/
/tˈɛlɪfˌoʊn ɛkstʃˈeɪndʒ/Telephone exchange
01
a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication
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