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Medienbüro Sohn

CeBIT 2004: Mythos IP-Telefonie – Evolution oder Revolution?

(PresseBox) (Hannover, )
In der aktuellen Diskussion über IP-Telefonie-Dienste tauchen sehr konträre Aussagen in den Medien auf: Die Prognosen wie „in ein paar Jahren läuft die Masse der Telefongespräche über IP-Verbindungen“ bis hin zur Feststellung, dass „für marktbeherrschende Unternehmen wie die Deutsche Telekom in absehbarer Zeit keine Gefahr durch Voice-over-DSL-Anschlüsse droht“, reichen die Aussagen. Preis-, Kosten- und Technikgesichtspunkte werden bunt durcheinandergeworfen und häufig wird implizit unterstellt, dass sich mit der alten Leitungstelefonie und der IP-Telefonie zwei völlig gegensätzliche Technologien gegenüberstehen.
Grundsätzlich findet die Sprachtelefonie heute über digitale Vermittlungsstellen und gemultiplexte Sprachkanäle statt. Solange dem Benutzer am Netzabschluss (NT) ISDN-Schnittstellen präsentiert werden, handelt
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