Telephony
In
telecommunication, telephony (
IPA pronunciation: ) encompasses the general use of equipment to provide voice communication over distances, specifically by connecting
telephones to each other.Telephones originally were connected directly together in pairs. Each user had separate telephones wired to the various places he might wish to reach. This became inconvenient when people wanted to talk to many other telephones, so the
telephone exchange was invented. Each telephone could then be connected to other local ones, thus inventing the
local loop and the
telephone call. Soon, nearby exchanges were connected together, and eventually far away ones were.
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Téléphonie
Telefonie
Die Telefonie (
griechisch τηλεφωνία, von τηλε-, altgr. Aussprache tele-, „fern“, „weit“ und φωνή, altgr. Aussprache phoné, „Stimme“) bezeichnet in erster Linie die Sprach
kommunikation über eine technische Vorrichtung (z. B.
Telefonnetz). Der erste Forscher, dem diese Form der Übermittlung von Sprachdaten bereits 1860 gelang, war
Philipp Reis (verkannt und verarmt gestorben am 14. Januar 1874).
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Telefonia
telephony
telefonije
telefonija
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