A systematic approach to understanding the basics of Voice over IP Understand the basics of PSTN services and IP signaling protocols, including SS7 Learn 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, quality of service tools, and mean opinion scores Learn about the functional components involved in using Cisco gateways to deploy VoIP networks Voice over IP (VoIP), which integrates voice and data transmission, is quickly becoming an important factor in network communications. It promises lower operational costs, greater flexibility, and a variety of enhanced applications.Voice over IP Fundamentalsprovides a thorough introduction to this new technology to help experts in both the data and telephone industries plan for the new networks. You will learn how the telephony infrastructure was built and how it works today, the major concepts concerning voice and data networking, transmission of voice over data, and IP signaling protocols used to interwork with current telephony systems. The authors cover various benefits and applications of VoIP and how to ensure good voice quality in your network. This book is part of the Networking Technology Series from Cisco Press, which offers networking professionals valuable information for constructing efficient networks, understanding new technologies, and building successful careers.
本书是Cisco IIUC 640-460认证考试的官方认证指南,主要内容包括:语音的发展历程,连接IP电话到LAN框架,安装Cisco Unified Communications Manager Express,CME IP电话的基本配置,配置Cisco Unified ...
本书是Cisco IIUC 640-460认证考试的官方认证指南,主要内容包括:语音的发展历程,连接IP电话到LAN框架,安装Cisco Unified Communications Manager Express,CME IP电话的基本配置,配置Cisco Unified ...
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X.25: Packet Switching and Related Standards
著者译名:阿哈特。
著者译名:曼。
TCP/IP: Protokolle, Projektplanung, Realisierung
A reference for those responsible for the management of a complex inter-network.
Internet Working: A Guide to Network Communications : LAN to LAN, LAN to WAN