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System security

The SIP protocol, like HTTP, is inherently insecure. The developers of SIP did not design it with security in mind. All messages are passed in clear-text and easily captured by any packet sniffing application. The potential security risks are:

  • Private voice conversations can be captured and made public

  • Potential for unauthorized calls from the system

  • The ability to impersonate a caller

  • Disruption of voice services


  

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