VoIP is a revolutionary technology that has the potential to completely rework the world's phone systems The course starts off by answering the basic questions like what is VoIP and how does it work. This course examines Voice over IP (VoIP) technologies and provides you with the skills to competently implement a VoIP network for your organisation. Practical advice is given on application, implementation and most importantly troubleshooting these systems. At the end of this workshop participants will understand how Voice over IP works and compares to Public Switched Telephone Network. Understand the fundamentals of H.323 VoIP standard and bee able to deal with packet loss, packet delay, packet jitter, signal echo and other QOS issues.