Voice over IP Fundamentals

Voice over IP Fundamentals
Publisher: Cisco Press | ISBN: 1587052571 | edition 2006 | CHM | 432 pages | 4,4 mb

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

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