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  • × theme_ss:"Datenfernübertragung"
  1. bay/mo: ¬Das Internet holt die Telefonwelt ein : Plaudern über die Datenleitung interessiert viele Cebit-Besucher - die Technik hilft, Geld zu sparen und treibt den Wettbewerb an (2004) 0.03 
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    Content
    "Wenn Telefongesellschaften ihre Netze auf das Übertragungsprinzip des Internets umstellen - warum sollte man dann nicht gleich die Datenleitungen zum Telefonieren verwenden? Eine naheliegender Gedanke, der auf der Cebit viele Besucher begeistert. Voice over IP, die technische Bezeichnung des Verfahrens, hat sich unvorhergesehen zu einem Trend der Messe entwickelt. Erste Angebote, mit denen Privatleute unter Umständen ihre Telefonrechnung senken könne, liegen vor. Richtig los gehen wird es wohl erst im Sommer. Mit Voice over IP kann der herkömmliche Telefonkanal entfallen. Nötig ist nur die breitbandige DSL-Leitung. Über die geht die Sprache in From von Datenpaketen zum Internetprovider. Der prüft in einer Kartei, ob der Angerufene ebenfalls per Datenleitung erreichbar ist. Falls ja, stellt er das Gespräch durch - in der Regel kostenlos, weil nur das interne Netz benötigt wird. Ist der Partner nur analog oder per ISDN angebunden, leitet der Anbieter das Gespräch ins herkömmliche Netz weiter - und verlangt dafür zeitbezogene Preise. Die liegen zumindest für nationale Festnetzverbindungen meistens unter denen der Deutschen Telekom. Allerdings ist die Umleitung bei manchen Anbietern noch teurer als Telefonate mit Call-by-call-Sparvorwahlen. - Eigene Vorwahl geplant - Die Regulierungsbehörde für Telekommunikation und Post reagiert auf die Aufbruchstimmung. Die Behörde schlägt eine Nummerngasse für "innovative Services" vor. IP-Telefonierer können daher noch für dieses Jahr damit rechnen, eine ortsunabhängige Vorwahl zu bekommen. Bisher behilft sich der Anbieter Indigo Networks für sein Projekt Sipgate mit Rufnummern aus Düsseldorf, Essen, Hamburg, Nürnberg, London und Reading. Kunden haben, unabhängig vom Wohnort, die freie Wahl.
    Date
    29. 3.2004 14:18:01
  2. Scheuerer, J.: Onlinebanking (1997) 0.02 
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    Date
    1. 8.1997 14:03:29
    Source
    Com!. 1997, H.8, S.22-24
  3. Duhm, U.: Ring frei zur nächsten Runde (1999) 0.02 
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    Date
    1. 8.1997 14:03:29
    19. 2.1999 20:21:22
  4. Petry, W.; Werner, H.-J.: Anwendertraum: Kommunikations- und Retrieval-Software im Vergleich (1993) 0.01 
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    Source
    Cogito. 9(1993) H.2, S.18-22
  5. Eberl, U.: UMTS++ : Perspektiven (2001) 0.01 
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    Date
    31.12.1996 19:29:41
  6. Petry, W.: Datenreisen billiger : wie man Telekommunikationskosten sparen kann (1994) 0.01 
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    Source
    Cogito. 10(1994) H.4, S.17-22
  7. Matthews, J.R.; Parker, M.R.: Local Area Networks and Wide Area Networks for libraries (1995) 0.01 
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    Date
    30.11.1995 20:53:22
  8. Kniszewski, P.: T-Online hat die Nase vorn (1997) 0.01 
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    Date
    1. 8.1997 14:03:29
  9. ¬Die 50 besten Tips zur neuen Software : T-Online 2.0, Netscape Navigator, Microsoft Internet-Explorer (1997) 0.01 
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    Date
    1. 8.1997 14:03:29
  10. Durchstarten mit dem T-Online-Lotsen : neue Startseite (1997) 0.01 
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    Date
    1. 8.1997 14:03:29
  11. Pelton, J.N.: Telekommunikationssysteme des nächsten Jahrhunderts (1998) 0.01 
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    Date
    31.12.1996 19:29:41
  12. Lang, M.: Neue Hardware braucht das UMTS-Land : Infrastruktur (2001) 0.01 
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    Date
    31.12.1996 19:29:41
  13. Otten, D.: Peilstation in der Westentasche (2001) 0.01 
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    Date
    31.12.1996 19:29:41
  14. Sterbak, R.: ¬Die Mega-Handys : Endgeräte (2001) 0.01 
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    31.12.1996 19:29:41
  15. Zöbelein, K.: Dringend gesucht : die Killer-Applikation (2001) 0.01 
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    31.12.1996 19:29:41
  16. Berezak-Lazarus, N.: ADSL - Auf der Überholspur durch die Multimedia-Welt (1999) 0.01 
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    Footnote
    Rez. in: Internet Professionell 2000, H.2, S.22
  17. Rötger, A.: ¬Die Schrittmacher : Standards (2001) 0.00 
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    Date
    31.12.1996 19:29:41
  18. Cerf, V.G.: Netztechnik (1995) 0.00 
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    Pages
    S.22-31
  19. Reiss, L.K.; Merakos, L.F.: Performance analysis of an adaptive bandwidth reservation scheme for ATM virtual path traffic (1996) 0.00 
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    Date
    2. 8.1996 19:36:29
  20. Ball, R.; Peters, M.: Datennetze in einem Forschungszentrum : Das INTRANET der Zentralbibliothek des Forschungszentrums Jülich (1998) 0.00 
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    Date
    29. 8.2000 12:00:46

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