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دانلود کتاب Deploying Voice over Wireless LANs

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Deploying Voice over Wireless LANs

دسته بندی: شبکه سازی
ویرایش: 1 
نویسندگان: Jim Geier  
سری: Networking technology series 
ISBN (شابک) : 1587052318, 9781587052316 
ناشر: Cisco Press 
سال نشر: 2007 
تعداد صفحات: 0 
زبان: English 
فرمت فایل : CHM (درصورت درخواست کاربر به PDF، EPUB یا AZW3 تبدیل می شود) 
حجم فایل: 2 مگابایت

قیمت کتاب (تومان) : 53,000

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توضیحاتی درمورد کتاب به خارجی

Deploying Voice over Wireless LANs

The definitive guide to planning, architecting, deploying, supporting, and creating Voice over Wireless LAN solutions

Recent advances make it possible to deliver high-quality voice and video communications over a wireless LAN (WLAN), replacing costly wired telephone and video surveillance systems and dramatically reducing support costs. However, today’s new voice over WLAN (VoWLAN) technologies require fundamentally different skills and techniques from those used in traditional voice and video systems. Now, there’s a complete guide to every facet of VoWLAN deployment: planning, design, installation, security, maintenance, and troubleshooting.

Authored by wireless industry expert and leader Jim Geier, Deploying Voice over Wireless LANs draws on Geier’s extensive experience with real-world VoWLAN deployments. Geier brings together state-of-the-art insights into VoWLAN technologies, standards, products, services, implementation strategies, and much more.

Geier begins by introducing key components of today’s VoWLAN systems, including phones, client software, and voice encoders/decoders, as well as VoWLAN signaling essentials such as analog-to-digital (A/D) conversion and compression. Using examples drawn from actual enterprise settings, you’ll learn exactly how VoWLAN products integrate with existing IP infrastructure.

Next, he introduces crucial emerging 802.11 standards for effective VoWLAN deployment, including 802.11e quality of service (QoS) standards, 802.11r to minimize packet loss between access points, and 802.11k network discovery. He carefully reviews the security implications of VoWLAN voice, systematically covering both risks and countermeasures. Finally, Geier walks through implementation from start to finish, thoroughly covering analysis, design, installation, configuration, testing, and support.

Whatever your role in planning, delivering, managing, or creating wireless voice and video solutions, Deploying Voice over Wireless LANs is your most comprehensive, authoritative resource.

Jim Geier founded Wireless-Nets, Ltd., and serves as its principal consultant. His 25 years of experience includes the analysis, design, software development, installation, and support of numerous wireless networking systems. He has been active within the Wi-Fi Alliance and the IEEE 802.11 Working Group and helped develop international standards for WLANs. His books include Wireless Networks First Step (Cisco Press), Wireless LANs (Sams), Wireless Networking Handbook (MTP), and Network Reengineering.

Understand VoWLAN components, applications, and benefits
See VoWLAN at work in actual enterprise environments
Master VoWLAN signaling, including voice signal characteristics, A/D conversion, and compression
Discover the latest 802.11 VoWLAN standards, including 802.11e, 802.11r, and 802.11k
Secure IP-based VoWLAN systems against intrusion and compromise
Analyze your organization’s requirements and design an optimal VoWLAN solution
Plan for capacity, roaming, and integration with cellular systems
Install, configure, test, verify, and validate your VoWLAN system
Plan for operational support and implement appropriate administration tools and methods
Includes a complete VoWLAN glossary

Part I Fundamental Elements

Chapter 1 VoWLAN Applications and Benefits

Chapter 2 VoWLAN System Components

Chapter 3 VoWLAN Signaling Fundamentals

Part II Critical Technologies

Chapter 4 Wireless LAN Technologies

Chapter 5 VoWLAN Security Solutions

Part III Implementation Steps

Chapter 6 Analyzing VoWLAN Requirements

Chapter 7 Designing a VoWLAN Solution

Chapter 8 Installing, Configuring, and Testing a VoWLAN System

Chapter 9 Supporting a VoWLAN System

Appendix A Answers to Chapter Review Questions

Glossary

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.

Category: Cisco Press–Networking

Covers: Voice over Wireless LAN Solutions

فهرست مطالب

Cover......Page 1
Contents......Page 9
Introduction......Page 17
Part I: Fundamental Elements......Page 20
  The Role of VoWLAN Solutions......Page 22
  History of VoWLANs......Page 23
  Healthcare......Page 25
  Enterprises......Page 26
  Universities......Page 27
  Retail......Page 28
  Manufacturing......Page 29
  Small Offices and Homes......Page 30
  Security Systems......Page 32
  Determining ROI......Page 33
  Chapter Summary......Page 41
  Chapter Review Questions......Page 42
  VoWLAN System Overview......Page 44
  Cisco 7920 Wireless IP Phone......Page 45
  Cisco IP Softphone......Page 47
  Cisco CallManager......Page 49
  Cisco CallManager Express......Page 50
  Linksys Wi-Fi Video Cameras......Page 51
  Wireless Network Infrastructures......Page 53
  Chapter Review Questions......Page 61
  Voice Attributes......Page 64
  Video Attributes......Page 65
  VoIP Call Flow......Page 67
  Radio Frequency (RF) Signals......Page 75
  Wireless Impairments......Page 79
  Chapter Review Questions......Page 89
Part II: Critical Technologies......Page 92
  Infrastructure Mode......Page 94
  Ad Hoc Mode......Page 101
  Wireless Medium Access......Page 102
  802.11 Physical Layer Standards......Page 103
  Wireless Configuration Parameters......Page 107
  Chapter Review Questions......Page 115
  Security Implications......Page 118
  Encryption......Page 120
  Authentication......Page 123
  Tips for Enhancing Security......Page 130
  Chapter Review Questions......Page 136
Part III: Implementation Steps......Page 138
  Overall Requirements Analysis Steps......Page 140
  Identifying Potential Requirements......Page 141
  Verifying and Validating Requirements......Page 154
  Chapter Summary......Page 155
  Chapter Review Questions......Page 156
  Overall Design Steps......Page 158
  Deployment Models......Page 159
  Roaming......Page 164
  Security......Page 167
  Network Infrastructure......Page 168
  Placement of Access Points......Page 170
  Document Findings......Page 178
  Chapter Review Questions......Page 181
  Installing Access Points......Page 184
  Configuring Access Points......Page 189
  Installing and Configuring Cisco CallManager Software......Page 194
  Configuring Wireless IP Phones......Page 197
  Verifying System Operation......Page 200
  Chapter Review Questions......Page 205
  Configuration Management......Page 208
  Network Monitoring......Page 211
  Security Assessment Steps......Page 214
  Maintenance Functions......Page 218
  Engineering Functions......Page 220
  Help Desk Planning......Page 222
  CiscoWorks Wireless LAN Solution Engine......Page 224
  Chapter Review Questions......Page 227
Appendix A: Answers to Chapter Review Questions......Page 230
 A......Page 240
 C......Page 241
 D......Page 242
 G......Page 243
 I-J-K......Page 244
 N......Page 245
 P......Page 246
 Q-R......Page 247
 T......Page 248
 W-Z......Page 249
 A......Page 253
 C......Page 254
 D......Page 256
 I......Page 257
 L......Page 258
 N......Page 259
 P......Page 260
 R......Page 261
 S......Page 262
 T......Page 263
 V......Page 264
 W......Page 265