Peer to peer voip communication

One of the most preferred means of communication in the world of telecommunications is the phone. Utilizing the phone, sound is transmitted from one point to another using Public Switched Telephone Network (PSTN). Along with its rapid development and progress, the widespread usage of the Internet Protocol (IP) technology made the idea of transmitting voice over the packet-switched networks emerged. IP Telephony (Voice Over Internet Protocol-VoIP) is a set of technologies based on IP protocol that provides today's circuit-switched communication services that run on a packet-switched data networks. Cost saving expectations of individual and institutional users, have increased the popularity of voice transmission over packet-switched networks and made it a fast-growing sector. In this study, examining the voice transmission over the Internet (Voice over IP - VoIP), the concepts and principles of the subject are laid down and processed. Meanwhile, using the DirectX technology, an application for performing a voice transmission over the Internet has been developed, in which the voice is obtained from a microphone.