Companies are beginning to embrace VoIP technology for a variety of reasons. But has VoIP evolved to the point that companies can expect the same reliability and security that they have grown accustomed to with the public switched telephone network (PSTN) that has been the standard for many years. This paper will look at the current threats to VoIP and examine if the current security efforts are enough.
VoIP is a method for sending voice traffic as data over traditional IP-based networks. The biggest reason companies are interested in this technology is the cost savings. Traditionally companies have purchased one set of hardware and software for their voice communications and a completely different set of hardware and software for data communications. By consolidating these systems into one, not only are companies saving money on hardware costs, but many times they are seeing additional savings from reduced workloads for setup, support and system changes. As an added bonus, VoIP also offers many new features that are impossible for traditional phone systems. But just adding VoIP traffic onto your existing data network is not the way to have a successful implementation of VoIP. A VoIP implementation must be carefully planned out and the network must be designed to specifically handle VoIP traffic. This paper will examine how far VoIP has come and if it is secure enough to provide the same level of performance businesses have come to rely on from the public switched telephone network for over twenty-five years.
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