Deploying Voice over Wireless LANs
(Sprache: Englisch)
Master the design, installation, management and troubleshooting of a voice network over a wireless LAN from industry leader Jim Geier ...
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Produktinformationen zu „Deploying Voice over Wireless LANs “
Master the design, installation, management and troubleshooting of a voice network over a wireless LAN from industry leader Jim Geier
- Learn about the products and services needed for a wireless LAN voice network
- Discover the basic tenets of the 802.11 standard, and how they apply to your network
- Master security strategies for operating the system
- Plan your design and installation, as well as ongoing maintenance and troubleshooting strategies
Inhaltsverzeichnis zu „Deploying Voice over Wireless LANs “
Part I Fundamental Elements Chapter 1 VoWLAN Applications and Benefits The Role of VoWLAN Solutions History of VoWLANs VoIP Wireless LANs Healthcare Enterprises Universities Retail Warehouses Manufacturing Small Offices and Homes Security Systems Determining ROI Initial Analysis Costs Savings Payback Period Chapter Summary Chapter Review Questions Chapter 2 VoWLAN System Components VoWLAN System Overview Cisco 7920 Wireless IP Phone Cisco IP Softphone Cisco CallManager Cisco CallManager Express Linksys Wi-Fi Video Cameras Wireless Network Infrastructures Traditional Access Point Networks Wireless Switched Networks Mesh Networks Chapter Summary Chapter Review Questions Chapter 3 VoWLAN Signaling Fundamentals Voice Attributes Video Attributes VoIP Call Flow H.323 Skinny Client Control Protocol (SCCP) Session Initiation Protocol (SIP) Radio Frequency (RF) Signals Modulation RF Signal Characteristics Gain Signal-to-Noise Ratio Spread Spectrum Orthogonal Frequency Division Multiplexing (OFDM) FCC Rules Wireless Impairments Poor Signal Coverage Latency RF Interference Limited Capacity Multipath Chapter Summary Chapter Review Questions Part II Critical Technologies Chapter 4 Wireless LAN Technologies Infrastructure Mode Scanning Data Transfer Roaming Ad Hoc Mode Wireless Medium Access DCF PCF 802.11 Physical Layer Standards 802.11a 802.11b 802.11g 802.11n Comparison of 802.11 Standards Wireless Configuration Parameters SSID RF Channels Transmit Power Data Rates Power-Save Mode RTS/CTS Fragmentation RTS/CTS and Fragmentation Summary Chapter Summary Chapter Review Questions Chapter 5 VoWLAN Security Solutions Security Implications Passive Monitoring Unauthorized Access Denial of Service Encryption WEP TKIP AES WPA 802.11i Virtual Private Networks Authentication Open System Authentication Shared Key Authentication IEEE 802.1X Cisco LEAP Tips for Enhancing Security SSID Broadcasting Systems Management Access Point Installation Rogue Access Points Signal Propagation Chapter
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Summary Chapter Review Questions Part III Implementation Steps Chapter 6 Analyzing VoWLAN Requirements Overall Requirements Analysis Steps Identifying Potential Requirements Applications Users Utilization Coverage Areas Roaming Environment Security Client Devices Existing Systems Policies and Preferences Budget Schedules Verifying and Validating Requirements Documenting Requirements Chapter Summary Chapter Review Questions Chapter 7 Designing a VoWLAN Solution Overall Design Steps Deployment Models Single-Site Architecture Multisite WAN with Centralized Call Processing Multisite WAN with Distributed Call Processing Roaming Security Network Infrastructure Virtual LANs Multicasting Switch Recommendations Quality of Service Placement of Access Points Wireless Capacity Analysis RF Site Survey Document Findings Chapter Summary Chapter Review Questions Chapter 8 Installing, Configuring, and Testing a VoWLAN System Installing Access Points Getting Started Mounting Practices Antenna Alignment Electrical Power Distribution Configuring Access Points Configuration Setting Access Firmware VLANs SSID Transmit Power RF Channel Data Rates Filtering Protection Mechanisms Installing and Configuring Cisco CallManager Software Cisco CallManager Software Installation System Parameters Subscriber Setup Device Mobility Issues Configuring Wireless IP Phones Firmware Network Settings RF Settings Phone Settings Verifying System Operation Association Tests Authentication Tests Registration Tests Phone Call Tests Load Tests Follow-up Tests Battery Life Issues Chapter Summary Chapter Review Questions Chapter 9 Supporting a VoWLAN System Configuration Management RF Channel Changes Transmit Power Changes New Applications Signal Coverage Firmware Version Security Improvement Network Monitoring Performance Monitoring Coverage Monitoring Configuration Monitoring Security Policy Management Security Assessment Steps Review Existing Security Policies Review the System Architecture Review Operational Support Tools and Procedures Interview Users Verify Configurations of Wireless Devices Investigate Physical Installations of Access Points Identify Rogue Access Points Perform Penetration Tests Analyze Security Gaps Recommend Improvements Maintenance Functions Inoperative Access Points Poor Performance Poor Signal Coverage Broken Hardware Keep Firmware Up to Date Monitor Performance Verify Coverage Inspect Access Points Engineering Functions Advanced Problem Resolution Coverage Expansion Capacity Increases Firmware Review Technology Upgrade Design Review Help Desk Planning Connection Problems Poor Signal Coverage Poor Performance System Status Additional Considerations CiscoWorks Wireless LAN Solution Engine Automatic Access Point Configuration Assisted Site Surveys Centralized Firmware Updates Dynamic Grouping VLAN Configuration Multiple SSID Support Customizable Thresholds Fault Status Intrusion Detection System Security Policy Monitoring Secure User Interface Air/RF Scanning and Monitoring Self-healing Functions Reporting, Trending, Planning, and Troubleshooting Chapter Summary Chapter Review Questions Appendix A Answers to Chapter Review Questions Glossary 1587052318 TOC 2/12/2007
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Autoren-Porträt von Jim Geier
Jim Geier is the founder of Wireless-Nets, Ltd., and the company's principal consultant. His 25 years of experience includes the analysis, design, software development, installation, and support of numerous wireless network-based systems for enterprises, airports, homes, retail stores, manufacturing facilities, warehouses, hospitals, and cities worldwide. Jim has been active within the Wi-Fi Alliance, responsible for certifying interoperability of 802.11 (Wi-Fi) wireless LANs. He has also been active with the IEEE 802.11 Working Group, responsible for developing international standards for wireless LANs. He served as Chairman of the IEEE Computer Society, Dayton Section, and Chairman of the IEEE International Conference on Wireless LAN Implementation. Jim is an advisory board member of several leading wireless LAN companies. Jim is the author of several books, including Wireless Networks First Step (Cisco Press), Wireless LANs (Sams), Wireless Networking Handbook(MTP), and Network Reengineering(McGraw-Hill), as well as numerous articles. Jim's education includes a bachelor's and master's degree in electrical engineering and a master's degree in business administration. Contact Jim Geier at jimgeier@wireless-nets.com.
Bibliographische Angaben
- Autor: Jim Geier
- 2007, 264 Seiten, Maße: 19,6 x 23 cm, Gebunden, Englisch
- Verlag: Macmillan Technical Publishing
- ISBN-10: 1587052318
- ISBN-13: 9781587052316
Sprache:
Englisch
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