Definition of telephony in English:

telephony

Line breaks: tel¦eph|ony
Pronunciation: /tɪˈlɛf(ə)ni
 
/

noun

[mass noun]
  • The working or use of telephones: telephony and data transmission [with modifier]: mobile telephony
    More example sentences
    • Wireless telephony had achieved transmission distances of several hundred miles.
    • The increase was primarily due to growth in broadband telephony and high-speed data.
    • It may be possible for portable multimedia devices to be hooked up to a combination of DAB and mobile telephony networks.

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