Reliability and Security Analysis of VoIP Communication Systems

Voice over Internet Protocols (VoIP) is a technology for sending voice in the form of digital packets over IP-based networks. Organisations are diverting from traditional communication media to VoIP system because of cost-saving factors and it is easy to install. It is going to be the main component for next-generation networks. Many organisations provide communication services but unable to fulfil the requirements of reliable and secure services to its customers. In this paper, we discuss reliability and security problems in VoIP system with possible measures. We analyse the security threats for confidentiality, integrity and availability. It is observed that gaining a higher level of reliability and security is still a major challenge in VoIP communication systems.

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