Add to ORKGAbstract. The emergence of the trend in globalization called for a need to establish a low cost communication system that would allow the transfer of both data and voice. Current technology offers that there is a separate network for data and voice, which is costly due to the fact that maintenance is expensive. Already, VoIP is gaining ground in the industry as an alternative communication tool as this allows the users to maintain only a single network for both voice and data. The basic idea of VoIP is that it compresses voice and allows it to travel in the data network, this is in turn allows users of voice and data to share a common medium, maximizing the efficiency of the network. Currently, there are several proponents working on Client...