Drills into VoIP technology, enough to understand fundamentals, fill the gaps and explain jargon and mainstream practices without bogging down on details. You'll understand what exactly packetized voice is, how it happens and the standards and protocols used. You'll learn about codecs and compression, and understand factors like delay, jitter and packet loss and how they affect sound quality. Examines carriers' IP network technologies, Service Level Agreements and the use of MPLS to implement Differentiated Services for Quality of Service (QoS).