A systematic approach to understanding the basics of voice over IP
* Understand the basics of enterprise and public telephony networking, IP networking, and how voice is transported over IP networks
* Learn the various caveats of converging voice and data networks
* Examine the basic VoIP signaling protocols (H.323, MGCP/H.248, SIP) and primary legacy voice signaling protocols (ISDN, C7/SS7)
* Explore how VoIP can run the same applications as the existing telephony system but in a more cost-efficient and scalable manner
* Delve into such VoIP topics as jitter, latency, packet loss, codecs, QoS tools, and security
Voice over IP (VoIP) has become an important factor in network communications, promising lower operational costs, greater flexibility, and a variety of enhanced applications. To help you understand VoIP networks, Voice over IP Fundamentals provides a thorough introduction to the basics of VoIP.
Voice over IP Fundamentals explains how a basic IP telephony infrastructure is built and works today, major concepts concerning voice and data networking, and transmission of voice over data networks. You’ll learn how voice is signaled through legacy telephone networks, how IP signaling protocols are used to interoperate with current telephony systems, and how to ensure good voice quality using quality of service (QoS).
($52.65)