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Definition of telephony noun from the Oxford Advanced Learner's Dictionary

telephony

noun

/təˈlefəni/

/təˈlefəni/

[uncountable]

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the process of sending messages and signals by telephone
Oxford Collocations Dictionary
Telephony is used after these nouns:
Internet
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See telephony in the Oxford Advanced American Dictionary

Check pronunciation: telephony

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IP telephony

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verb

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OPAL spoken words

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