Global Switched Telephone Network
- Global Switched Telephone Network
-
[Abk. GSTN, dt. »global geschaltetes Telefonnetzwerk«], in der
ITU gebräuchliche
Bezeichnung für weltweit miteinander verbundene Telefonnetze. Der
Begriff umfasst sowohl analoge als auch
digital betriebene Telefonnetze, auf denen neben Gesprächen auch Fax und
Datenverkehr ablaufen. Verbreitet ist auch die Bezeichnung
PSTN (
Public
Switched
Telephone
Network) für eine Untergruppe der GSTN, nämlich den öffentlich zugänglichen Netzen.
Universal-Lexikon.
2012.
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