Definition of telephony
: the use or operation of an apparatus (such as a telephone) for transmission of sounds as electrical signals between widely removed points
From the M-W Editors
1835
First Known Use of telephony
1835
TELEPHONY Defined for English Language Learners
telephony
play
noun
te·le·pho·ny
\tə-ˈle-fə-nē also ˈte-lə-ˌfō-\
Definition of telephony for English Language Learners
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: the use of a telephone system to send and receive sounds over long distances
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