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Sicherheitsbewertung der Open Source Telefonanlage (Soft-PBX) Asterisk: Unter besonderer Berücksichtigung verschiedener VoIP-Protokolle

Sicherheitsbewertung der Open Source Telefonanlage (Soft-PBX) Asterisk: Unter besonderer Berücksichtigung verschiedener VoIP-Protokolle

          
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About the Book

Inhaltsangabe: Problemstellung: Das Voice over Internet Protocol (VoIP) beschäftigt sich mit der Übertragung von Echtzeitkommunikation in paketorientierten Netzen wie dem Internet, im Gegensatz zur klassischen verbindungsorientierten Kommunikation, wie dies beim durchschaltevermittelten Telefonnetz der Fall ist. VoIP-Telefonie wird dabei zunehmend zur Konkurrenz der klassischen Telefonie. Große Telefonkonzerne erweitern ihr Portfolio um VoIP-Lösungen und auch kleinere Unternehmen bieten Produkte für Firmenkunden und Privatverbraucher an. Durch die Einführung der VoIP-Technologie ergeben sich für den Kunden Vorteile, die durch Verschmelzung der Telefon- und Datennetze ermöglicht werden. Weltweite Erreichbarkeit, neue Anwendungen wie „Click-To-Dial" und nicht zuletzt Kosteneinsparungen durch Reduzierung der Netzwerkinfrastruktur sind schlagkräftige Argumente, die für eine weitere Durchsetzung der VoIP-Telefonie sprechen. Obwohl es möglich ist, sich mittels Hard- oder Softphone direkt beim eigenen Provider anzumelden, wird dies bei steigender Anzahl der Endgeräte, sowie bei höheren Ansprüchen an die Komfortfunktionen der eigenen Telefonanlage unpraktikabel. Zu diesem Zweck existieren Telefonnebenstellenanlagen (Private Branch Exchange, PBX), die sowohl die Verwaltung angeschlossener Endgeräte übernehmen, als auch zusätzliche Funktionen wie Least-Cost-Routing (LCR), Voice-Mail-Systeme oder Warteschlangen- und Spracherkennungsmodule, z. B. für den Einsatz in einem Call-Center, bieten. Da die Bedeutung von VoIP kontinuierlich steigt, soll diese Arbeit Aufschluss darüber geben, wie sicher bzw. unsicher Kommunikation per VoIP ist. Dabei wird der Schwerpunkt insbesondere auf das auch kommerziell weit verbreitete Session Inititation Protocol (SIP) sowie die Software-Telefonanlage Asterisk und dessen proprietäres Protokoll Inter-Asterisk eXchange (IAX) gelegt. Zusätzlich soll gezeigt werden, welchen Einfluss Asterisk auf die Sicherheit der Kommunikation hat, d. h. ob durc


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Product Details
  • ISBN-13: 9783838695891
  • Publisher: Diplom.de
  • Binding: Paperback
  • Language: German
  • Returnable: N
  • Spine Width: 8 mm
  • Weight: 190 gr
  • ISBN-10: 3838695895
  • Publisher Date: 17 May 2006
  • Height: 210 mm
  • No of Pages: 138
  • Series Title: German
  • Sub Title: Unter besonderer Berücksichtigung verschiedener VoIP-Protokolle
  • Width: 148 mm


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Sicherheitsbewertung der Open Source Telefonanlage (Soft-PBX) Asterisk: Unter besonderer Berücksichtigung verschiedener VoIP-Protokolle
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