Comprehensive Comparison of VoIP SIP Protocol Problems and Cisco VoIP System

Provided by: Academy & Industry Research Collaboration Center
Topic: Networking
Format: PDF
Voice over IP (VoIP), use of the packet switched internet for telephony, has improved substantially in the past few years. On the other hand, VoIP has many challenges that do not exist in the Public Switched Telephone Network (PSTN), a circuit switched system. VoIP is an application running on the internet, and therefore, inherits the internet's security issues. It is important to realise that VoIP is a relatively young technology, and with any new technology, security typically improves with maturity. This paper provides a comprehensive comparison of a VoIP SIP protocol and CISCO VoIP system. The comparison involves the investigation of the vulnerabilities that target both systems and how secure each system is.

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