telephony
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telephony
The technology, system, or field that deals with transmitting speech over a distance. It includes all aspects of making phone calls.
Durch die Internettelefonie sind Anrufe ins Ausland viel günstiger geworden.
Thanks to internet telephony, calls abroad have become much cheaper.
The word is made up of 'Telefon' (telephone) and the ending '-ie'. The ending '-ie' often refers to a field, a discipline, or a technology, as in 'Chemie' (chemistry) or 'Biologie' (biology).
Die Geschichte der Telefonie begann im 19. Jahrhundert.
The history of telephony began in the 19th century.
'Telefonie' (telephony) is a rather formal or technical term. In normal everyday language, people usually simply talk about 'Telefonieren' (making phone calls).
Der Experte hält einen Vortrag über die Sicherheit in der modernen Telefonie.
The expert is giving a lecture on security in modern telephony.
The word is often combined with adjectives or other nouns to describe a specific type of technology, e.g. 'mobile Telefonie' (mobile telephony), 'Internet-Telefonie' (internet telephony), or 'IP-Telefonie' (IP telephony).
Viele Unternehmen stellen ihre Kommunikation auf IP-Telefonie um.
Many companies are switching their communication to IP telephony.
telecommunications
Telekommunikation is the broader term for the electronic transmission of different kinds of information over a distance, including speech, data, text, and images. Telefonie specifically refers to transmitting speech and making phone calls. Telefonie fits conversations that involve only phone calls, while Telekommunikation is used for the field as a whole.
Das Unternehmen erneuert seine Telefonie für Gespräche mit Kunden.
The company is upgrading its telephony for conversations with customers.
Das Unternehmen erneuert seine Telekommunikation für Telefonate, Nachrichten und den Datenaustausch.
The company is upgrading its telecommunications for phone calls, messages, and data exchange.
