PBX Technical Details

  • Iosif I. Androulidakis
Part of the SpringerBriefs in Electrical and Computer Engineering book series (BRIEFSELECTRIC)


In this technical chapter we will present a block diagram of a PBX and also describe its parts and how each one can affect its security. Before getting to the PBX itself, we will examine the connection to the public network and to other PBXs. We will also see the cabling and distribution frames and then move into the PBX itself, describing boards, sets, services, etc. This way, being familiar with the technical details, the reader will be ready to proceed to the next chapter, discussing security.


Internet Protocol Session Initiation Protocol Interactive Voice Response Internet Protocol Address Public Network 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


  1. 1.
    Androulidakis I (2009) On the importance of securing telephony systems. Wseas Trans Commun 8(1):102–111Google Scholar
  2. 2.
    Baker WH, Wallace L (2007) Is information security under control? IEEE Secur Priv 5(1):36–44CrossRefGoogle Scholar
  3. 3. (2012) Default password.
  4. 4.
    NIST (2001) PBX vulnerability analysis. Special publication 800–24, 2001Google Scholar
  5. 5.
    Wikipedia (2011) News international phone hacking scandal.
  6. 6.
    Computerworld. HP Exec feels violated by voice mail leak.
  7. 7.
  8. 8.
    Walsh TJ, Kuhn DR (2005) Challenges in securing voice over IP. IEEE Secur Priv 3(3):44–49CrossRefGoogle Scholar
  9. 9.
    Keromytis AD (2009) A survey of voice over IP security research. In: Proceedings of the 5th international conference on information systems security (ICISS), Kolkata, India, pp 1–17Google Scholar
  10. 10.
    Keromytis AD (2011) Voice over IP security, a comprehensive survey of vulnerabilities and academic research. SpringerBriefs in computer science, 1st edn. Springer, New York, XIII, 83 pGoogle Scholar
  11. 11.
    Keromytis AD (2009) Voice over IP: risks, threats and vulnerabilities. In: Proceedings (electronic) of the cyber infrastructure protection (CIP) conference, New York, NY, June 2009Google Scholar
  12. 12.
    Chen T, Abu-Nimeh S (2011) Lessons from Stuxnet. Computer 44(4):91–93CrossRefGoogle Scholar
  13. 13.
    Langner R (2011) The first deployed cyber weapon in history: Stuxnet’s architecture and implications. In: CCD COE international conference on cyber conflict, Tallinn, EstoniaGoogle Scholar
  14. 14.
    Libes D (1991) Expect: scripts for controlling interactive processes. University of California Press, Berkeley, CAGoogle Scholar

Copyright information

© the author 2013

Authors and Affiliations

  • Iosif I. Androulidakis
    • 1
  1. 1.PapagouGreece

Personalised recommendations