English version

telephony

From Longman Dictionary of Contemporary Englishtelephonyte‧leph‧o‧ny /təˈlefəni/ noun [uncountable]  telephone services, systems, or communicationFrom Longman Business Dictionarytelephonyte‧leph‧o‧ny /təˈlefəni/ noun [uncountable] the activity and business of providing telephone servicesNow, devices for telephony, entertainment, and data all interact.
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