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Artech House USA
Voice over 802.11

Voice over 802.11

By (author): Frank Ohrtman
Copyright: 2004
Pages: 278
ISBN: 9781580536776

Hardback $99.00 Qty:
Digital download and online $72.00 Qty:
Wi-Fi can further enhance your organization's productivity and savings by increasing portability and eliminating charges for PBX maintenance and for wire-line and cellular phone service. However, concerns about the QoS of Wi-Fi and VoIP prevent many organizations from realizing the full savings and productivity improvements that Wi-Fi can deliver. This guide to deploying Wi-Fi telephony helps you overcome these concerns by showing in detail how to engineer each component of Wi-Fi for reliable, high-quality voice transmission. This informative reference reveals how Voice over Wi-Fi is a scalable, secure networking solution that supports today's demanding application needs. The book explains the ins and outs of the 802.11 standard, Softswitch architecture and applications, and related transport network technology so you can deploy full-featured Wi-Fi that has optimum range and signaling. You also learn the economics of 802.11 and Softswitch so you can measure the cost savings and return on investment of deploying Wi-Fi.
The PSTN Today - Access. Switching. Transport. Alternative Access-802.11 - What is 802.11b and How Does It Work? Wireless Network Architecture. 802.11b and Associated Protocols. Voice over IP (VoIP). ; Switching - TDM Switching. Softswitch Architecture. Applications for Softswitch. Performance Metrics for Class 4 and 5 Switches versus Softswitch. SIP as Softswitch Solutions. Conclusion: Softswitch Bypasses PSTN Switching.; Objections to Vo802.11 - Quality of Service (QoS) on 802.11 Networks. Objections to Softswitch and VoIP. ; Transport for a Vo802.11 Network -Introduction to the Internet Protocol.Introduction to IP Backbones. SONET. DWDM. QoS on IP Networks. Availability. Bandwidth and Marketing Challenges. Alternatives to Fiber Optic. Conclusion.; Economic Aspects of Vo802.11 - Enterprise Applications. Public Networks. Economics of Softswitching in Vo802.11 Networks. Regulatory Implications.; Conclusion - PSTN Infrastructure is Aging. PSTN Infrastructure Cannot Economically Offer Real Broadband. Carriers Abandoning 3G for 802.11. The Time for a Network Alternative.;
  • Frank Ohrtman Frank Ohrtman is director of Mannaz Consulting, which specializes in sales, marketing and engineering of telecommunications systems. The author of several books on telecommunications, he holds an M.S. in telecommunications from the University of Colorado.
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