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Wi Fi Telephony

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Wi Fi Telephony

Wi Fi Telephony Book
Author : Praphul Chandra,David Lide
Publisher : Elsevier
Release : 2011-04-01
ISBN : 9780080521695
Language : En, Es, Fr & De

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Book Description :

Wi-Fi telephony is the latest, most cost effective, and clearest way of carrying voice data wirelessly. The great news is that it can be integrated seamlessly into the same infrastructures as currently used for computer and telephone data.The digital quality is far above current cellular technologies. This book will be among the first to discuss Session Initiation Protocol (SIP), Quality of Service (QoS), and interoperability in connection with Wi-Fi telephony. Security challenges are also presented and solved along these malleable wireless boundaries. In short, this book provides all the information necessary for effective, reliable, crystal clear Wi-Fi telephony service and implementation. *Using current telephone and computer infrastructure this technology can be implemented at low cost *The importance of Quality of Service (QoS) and security of Wi-Fi telephony is considered *Enhances the clarity of a call beyond a basic cellular phone using digital data transfer

Going Wi Fi

Going Wi Fi Book
Author : Janice Reynolds
Publisher : CRC Press
Release : 2003-10-31
ISBN : 1482280868
Language : En, Es, Fr & De

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Book Description :

Make informed decisions about planning and installing 802.11 'Wi-Fi' wireless networks. This book helps you tackle the challenge, whether installing Wi-Fi within an existing corporate network or setting up a wireless network from scratch in any business

e Infrastructure and e Services for Developing Countries

e Infrastructure and e Services for Developing Countries Book
Author : Karl Jonas,Idris A. Rai,Maurice Tchuente
Publisher : Springer
Release : 2013-10-17
ISBN : 3642411789
Language : En, Es, Fr & De

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Book Description :

This book constitutes the thoroughly refereed post-conference proceedings of the 4th International ICST Conference on e-Infrastructure and e-Services for Developing Countries, AFRICOMM 2012, held in Yaounde, Cameroon, in November 2012. The 24 revised full papers presented were carefully reviewed and selected from numerous submissions. The papers cover a wide range of topics in the field of information and communication infrastructures and are grouped in topical sections on: e-Infrastructure, e-Services, e-Society, e-Health, and e-Security.

RF Wireless Technologies

RF   Wireless Technologies Book
Author : Bruce Alan Fette
Publisher : Newnes
Release : 2008
ISBN : 0750685816
Language : En, Es, Fr & De

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Book Description :

The Newnes Know It All Series takes the best of what our authors have written to create hard-working desk references that will be an engineer's first port of call for key information, design techniques and rules of thumb. Guaranteed not to gather dust on a shelf! RF (radio frequency) and wireless technologies drive communication today. This technology and its applications enable wireless phones, portable device roaming, and short-range industrial and commercial application communication such as the supply chain management wonder, RFID. Up-to-date information regarding software defined RF, using frequencies smarter, and, using more of the spectrum, with ultrawideband technology is detailed. Chapter 1: Survey of RF and Wireless Technology Chapter 2: Communications Protocols and Modulation Chapter 3: Transmitters Chapter 4: Receivers Chapter 5: Radio Propagation Chapter 6: Antenna Fundamentals I Chapter 7: Antenna Fundamentals II. Chapter 8: Basics of Wireless Local Area Networks Chapter 9: Outdoor Networks. Chapter 10: Voice Over Wi-Fi and Other Wireless Technologies Chapter 11: Security in Wireless Local Area Networks Chapter 12: System Planning Chapter 13: System Implementation, Testing, and Optimization Chapter 14: Next Generation Wireless Networks Chapter 15: Mobile Ad Hoc Networks Chapter 16: Wireless Sensor Networks Chapter 17: Reliable Wireless Networks for Industrial Networks Chapter 18: Software-Defined Radio Chapter 19: The Basics of Radio Frequency Identification (RFID) Technology Chapter 20: UWB Spectrum and Regulation Chapter 21: Interference and Coexistence Chapter 22: Direct Sequence UWB Chapter 23: “Multiband Approach to UWB Chapter 24: History and Background of Cognitive Radio Chapter 25: The Software Defined Radio as a Platform for Cognitive Radio Chapter 26: Cognitive Radio: The Technologies Chapter 27: Spectrum Awareness Chapter 28: Direct Sequence and Frequency Hopping Spread Spectrum Chapter 29: RF Power Amplifiers Chapter 30: Phase Locked Loop Techniques in Modern Communications Systems Chapter 31 Orthogonal Frequency Division Multiplexing (OFDM) *A 360 degree view from best-selling authors including Roberto Aiello, Bruce Fette, and Praphul Chandra *Hot topics covered including ultrawideband and cognitive radio technologies *The ultimate hard-working desk reference: all the essential information, techniques, and tricks of the trade in one volume

VoIP and Unified Communications

VoIP and Unified Communications Book
Author : William A. Flanagan
Publisher : John Wiley & Sons
Release : 2012-02-27
ISBN : 1118166035
Language : En, Es, Fr & De

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Book Description :

Translates technical jargon into practical businesscommunications solutions This book takes readers from traditional voice, fax, video, anddata services delivered via separate platforms to a single, unifiedplatform delivering all of these services seamlessly via theInternet. With its clear, jargon-free explanations, the authorenables all readers to better understand and assess the growingnumber of voice over Internet protocol (VoIP) and unifiedcommunications (UC) products and services that are available forbusinesses. VoIP and Unified Communications is based on the author's carefulreview and synthesis of more than 7,000 pages of publishedstandards as well as a broad range of datasheets, websites, whitepapers, and webinars. It begins with an introduction to IPtechnology and then covers such topics as: Packet transmission and switching VoIP signaling and call processing How VoIP and UC are defining the future Interconnections with global services Network management for VoIP and UC This book features a complete chapter dedicated to cost analysesand payback calculations, enabling readers to accurately determinethe short- and long-term financial impact of migrating to variousVoIP and UC products and services. There's also a chapter detailingmajor IP systems hardware and software. Throughout the book,diagrams illustrate how various VoIP and UC components and systemswork. In addition, the author highlights potential problems andthreats to UC services, steering readers away from commonpitfalls. Concise and to the point, this text enables readers—fromnovices to experienced engineers and technical managers—tounderstand how VoIP and UC really work so that everyone canconfidently deal with network engineers, data center gurus, and topmanagement.

FCC Record

FCC Record Book
Author : United States. Federal Communications Commission
Publisher : Unknown
Release : 2008
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download FCC Record book written by United States. Federal Communications Commission, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Cellular Convergence and the Death of Privacy

Cellular Convergence and the Death of Privacy Book
Author : Stephen B. Wicker
Publisher : Oxford University Press
Release : 2013-11
ISBN : 0199915350
Language : En, Es, Fr & De

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Book Description :

Cellular Convergence and the Death of Privacy explores the recent technological developments in the communication industry and the growing trend for all forms of communication to converge into the cellular handset. Stephen Wicker addresses the impact of cellular convergence on privacy from technical, legal, and social perspectives.

Plunkett s Wireless Wi Fi RFID and Cellular Industry Almanac 2007

Plunkett s Wireless  Wi Fi  RFID and Cellular Industry Almanac 2007 Book
Author : Jack W. Plunkett
Publisher : Plunkett Research, Ltd.
Release : 2006-07
ISBN : 1593920741
Language : En, Es, Fr & De

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Book Description :

The cell phone is the fastest-selling consumer electronic in the world. On a global basis, over 800 million cellular telephones are sold yearly. More camera-equipped cell phones are sold each year than stand alone digital cameras. Rapid development of new technologies is leading to ever more versatile, multipurpose mobile devices, including 3G Internet-enabled cell phones and PDAs. Meanwhile, wireless networking and wireless Internet access are developing and expanding on a global basis at a rapid rate. Booming technologies include such 802.11 standards as Wi-Fi and WiMax, as well as Ultra Wide Band (UWB) and Bluetooth. Telematics, intelligent transportation systems (ITS) and satellite radio will soon create an entertainment, navigation and communications revolution within automobiles and trucks. Meanwhile, RFID (radio frequency identification) will revolutionize wireless tracking, inventory and logistics at all levels, from manufacturing to shipping to retailing. These developments are creating challenges for legacy companies and opportunities for nimble marketers and managers. Plunkett's Wireless, Wi-Fi, RFID & Cellular Industry Almanac 2007 covers such sectors. Our coverage includes business trends analysis and industry statistics. We also include a wireless and cellular business glossary and a listing of industry contacts, such as industry associations and government agencies. Next, we profile hundreds of leading companies. Our company profiles, nearly 350, include complete business descriptions and up to 27 executives by name and title.

Wireless Networking Know It All

Wireless Networking  Know It All Book
Author : Praphul Chandra,Daniel M. Dobkin,Dan Bensky,Ron Olexa,David Lide,Farid Dowla
Publisher : Elsevier
Release : 2007-09-14
ISBN : 0080552013
Language : En, Es, Fr & De

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Book Description :

The Newnes Know It All Series takes the best of what our authors have written to create hard-working desk references that will be an engineer's first port of call for key information, design techniques and rules of thumb. Guaranteed not to gather dust on a shelf! Wireless Networking: Know It All delivers readers from the basics of a wireless system such as antennas and transmitters to current hot topic wireless systems and technologies. The backbone to technologies and applications such as mobile, untethered Internet access, Internet telephony, and high quality multimedia content via the Web is completely covered in this reference. Chapter 1. Basics of Wireless Communications Chapter 2. Basics of Wireless Local Area Networks Chapter 3. Radio Transmitters and Receivers Chapter 4. Radio Propagation Chapter 5. Antennas and Transmission Lines Chapter 6. Communication Protocols and Modulation Chapter 7. High-Speed Wireless Data: System Types, Standards-Based and Proprietary Solutions Chapter 8. Propagation Modeling and Measuring Chapter 9. Indoor Networks Chapter 10. Security in Wireless Local Area Networks Chapter 11. Voice Over Wi-Fi and Other Wireless Technologies Chapter 12. Mobile Ad Hoc Networks Chapter 13. Wireless Sensor Networks Chapter 14. Reliable Wireless Networks for Industrial Applications Chapter 15. Applications and Technologies Chapter 16. System Planning *A comprehensive overview from best-selling authors including Daniel Dobkin, Ron Olexa, and Alan Bensky *Explains the theory, concepts, design, and implementation of 802.11, 802.16, and 802.20 wireless networks – the three most popular types *Includes discussion of indoor networks, signal propagation, network security, and other topics essential for designing robust, secure wireless networks

Network Magazine

Network Magazine Book
Author : Anonim
Publisher : Unknown
Release : 2005
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Network Magazine book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Asterisk The Future of Telephony

Asterisk  The Future of Telephony Book
Author : Jim Van Meggelen,Jared Smith,Leif Madsen
Publisher : "O'Reilly Media, Inc."
Release : 2007-08-28
ISBN : 9780596551629
Language : En, Es, Fr & De

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Book Description :

This bestselling book is now the standard guide to building phone systems with Asterisk, the open source IP PBX that has traditional telephony providers running scared! Revised for the 1.4 release of the software, the new edition of Asterisk: The Future of Telephony reveals how you can save money on equipment and support, and finally be in control of your telephone system. If you've worked with telephony in the past, you're familiar with the problem: expensive and inflexible systems that are tuned to the vendor's needs, not yours. Asterisk isn't just a candle in the darkness, it's a whole fireworks show. Because Asterisk is so powerful, configuring it can seem tricky and difficult. This book steps you through the process of installing, configuring, and integrating Asterisk with your existing phone system. You'll learn how to write dialplans, set up applications including speech synthesis and voice recognition, how to script Asterisk, and much more -- everything you need to design a simple but complete system with little or no Asterisk experience, and no more than rudimentary telecommunications knowledge. The book includes: A new chapter on managing/administering your Asterisk system A new chapter on using Asterisk with databases Coverage of features in Asterisk 1.4 A new appendix on dialplan functions A simplified installation chapter New simplified SIP configuration, including examples for several popular SIP clients (soft phones and IP telephones) Revised chapters and appendicies reviewed and updated for the latest in features, applications, trends and best-practices Asterisk is revolutionizing the telecom industry, due in large part to the way it gets along with other network applications. While other PBXs are fighting their inevitable absorption into the network, Asterisk embraces it. If you need to take control of your telephony systems, move to Asterisk and see what the future of telecommunications looks like.

3G 4G and Beyond

3G  4G and Beyond Book
Author : Martin Sauter
Publisher : John Wiley & Sons
Release : 2013-01-04
ISBN : 1118394534
Language : En, Es, Fr & De

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Book Description :

Extensively updated evaluation of current and future network technologies, applications and devices This book follows on from its successful predecessor with an introduction to next generation network technologies, mobile devices, voice and multimedia services and the mobile web 2.0. Giving a sound technical introduction to 3GPP wireless systems, this book explains the decisions taken during standardization of the most popular wireless network standards today, LTE, LTE-Advanced and HSPA+. It discusses how these elements strongly influence each other and how network capabilities, available bandwidth, mobile device capabilities and new application concepts will shape the way we communicate in the future. This Second Edition presents a comprehensive and broad-reaching examination of a fast-moving technology which will be a welcome update for researchers and professionals alike. Key features: Fully updated and expanded to include new sections including VoLTE, the evolution to 4G, mobile Internet access, LTE-Advanced, Wi-Fi security and backhaul for wireless networks Describes the successful commercialization of Web 2.0 services such as Facebook, and the emergence of app stores, tablets and smartphones Examines the evolution of mobile devices and operating systems, including ARM and x86 architecture and their application to voice-optimized and multimedia devices

VoIP Monthly Newsletter

VoIP Monthly Newsletter Book
Author : Anonim
Publisher : Information Gatekeepers Inc
Release : 2022-10-02
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download VoIP Monthly Newsletter book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Wireless Network Hacks and Mods For Dummies

Wireless Network Hacks and Mods For Dummies Book
Author : Danny Briere,Pat Hurley
Publisher : John Wiley & Sons
Release : 2005-09-19
ISBN : 0471778222
Language : En, Es, Fr & De

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Book Description :

Fun projects and valuable content join forces to enable readers to turn their wireless home network into a high-performance wireless infrastructure capable of entertainment networking and even home automation Step-by-step instructions help readers find, buy, and install the latest and greatest wireless equipment The authors are home tech gurus and offer detailed discussion on the next-generation wireless gear that will move the wireless LAN beyond computers and into telephony, entertainment, home automation/control, and even automotive networking The number of wireless LAN users in North America is expected to grow from 4.2 million current users to more than 31 million by 2007

Wireless Home Networking For Dummies

Wireless Home Networking For Dummies Book
Author : Danny Briere,Pat Hurley,Edward Ferris
Publisher : John Wiley & Sons
Release : 2011-02-08
ISBN : 9781118052457
Language : En, Es, Fr & De

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Book Description :

Wireless home networks are better than ever! The emergence of new industry standards has made them easier, more convenient, less expensive to own and operate. Still, you need to know what to look for (and look out for), and the expert guidance you’ll find in Wireless Home Networks For Dummies, 3rd Edition helps you ensure that your wire-free life is also a hassle-free life! This user-friendly, plain-English guide delivers all of the tips, tricks, and knowledge you need to plan your wireless home network, evaluate and select the equipment that will work best for you, install and configure your wireless network, and much more. You’ll find out how to share your Internet connection over your network, as well as files, printers, and other peripherals. And, you’ll learn how to avoid the “gotchas” that can creep in when you least expect them. Discover how to: Choose the right networking equipment Install and configure your wireless network Integrate Bluetooth into your network Work with servers, gateways, routers, and switches Connect audiovisual equipment to your wireless network Play wireless, multiuser computer games Establish and maintain your network’s security Troubleshoot networking problems Improve network performance Understand 802.11n Whether you’re working with Windows PCs, Mac OS X machines, or both Wireless Home Networking For Dummies, 3rd Edition, makes it fast and easy to get your wireless network up and running—and keep it that way!

The Book of Wireless 2nd Edition

The Book of Wireless  2nd Edition Book
Author : John Ross
Publisher : No Starch Press
Release : 2008
ISBN : 1593271697
Language : En, Es, Fr & De

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Book Description :

Discusses the process of setting up and using a home or office wireless network, covering topics such as point-to-point networking, sniffer tools, and security.

Talk is Cheap

Talk is Cheap Book
Author : James E. Gaskin
Publisher : "O'Reilly Media, Inc."
Release : 2005
ISBN : 9780596009601
Language : En, Es, Fr & De

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Book Description :

Fed up with the high tolls charged by your ordinary telephone service? If you're itching to cut the copper cord with your costly, traditional phone service, you need Talk is Cheap, the new, easy-to-understand guide to understanding and using Voice over Internet Protocol (VoIP) and other Internet telephone options. Technologies such as VoIP are gaining a great deal of attention these days as more people switch from standard telephone service to phone service via the Internet. But while the cost savings are outstanding, there are some issues with Internet telephony that you should know about. Are the connections reliable? Is the quality comparable? Will it include 911 services? James Gaskin's Talk is Cheap addresses these issues and many more by explaining how to make the switch and what the tradeoffs will be if you opt for Internet telephony over traditional phone services. Talk is Cheap focuses on the increasingly popular services from Vonage, which uses VoIP, and Skype--a free service that operates as a peer-to-peer (P2P) network with the ability to turn any PC, Mac, or Pocket PC into a telephone. The book explains your options; explores the background behind, the workings of, and differences between VoIP and P2P networks; and discusses the advantages and drawbacks of both technologies (including service offerings, quality, capabilities, completion rates, and more). Talk is Cheap then goes into detail on what you can expect in Internet service from traditional phone companies such as Verizon and AT&T. In addition, you will learn more advanced techniques, including how to turn your Palm or Pocket PC into an Internet phone and how to work with Wi-Fi phones and videophones. A straightforward, quick introduction to the ins and outs of using Internet telephone services, this book provides everything you need to make informed telephone decisions--whether you're thinking about the switch from traditional phone service or have already made it and want to get the most out of your new Internet telephone.

Infotech Teacher s Book

Infotech Teacher s Book Book
Author : Santiago Remacha Esteras
Publisher : Cambridge University Press
Release : 2008-04-10
ISBN : 9780521703000
Language : En, Es, Fr & De

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Book Description :

Now in its fourth edition, Infotech is a comprehensive course in the English of computing, used and trusted by students and teachers all over the world.

Home Networking All in One Desk Reference For Dummies

Home Networking All in One Desk Reference For Dummies Book
Author : Eric Geier
Publisher : John Wiley & Sons
Release : 2011-03-03
ISBN : 9781118052495
Language : En, Es, Fr & De

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Book Description :

If your household harbors more than one computer, you’ve probably wondered about home networking. Maybe you’ve gone so far as to start setting up a network and given up in frustration. Well, now you can relax. Home Networking All-In-One Desk Reference For Dummies has come to the rescue! A network will make your life easier, and Home Networking All-In-One Desk Reference For Dummies makes it easier to create one. It shows you how to choose the right hardware, add user accounts, get different operating systems to work together, secure your network, exchange files, add wireless devices, and even use Wi-Fi out in public. Seven individual, self-contained minibooks cover: What a network will do for you, including a low-tech explanation of how it works Choosing a network type that will work best for your needs, and planning what equipment you’ll need Installing and configuring your computers and networking gear Upgrading your equipment with the manufacturer’s updates The ins and outs of using particular versions of operating systems — Windows, Mac, and Linux — with your network Step-by-step directions on connecting to networks, sharing files and printers, checking connection status, and much more Discovering networking accessories and gadgets to get the most out of your network Finding and using Wi-Fi hotspots, plus setting up your own You’ll even find troubleshooting tips to help find and fix common problems. Home Networking All-In-One Desk Reference For Dummies will be your personal network assistant!

OECD Digital Economy Outlook 2015

OECD Digital Economy Outlook 2015 Book
Author : OECD
Publisher : OECD Publishing
Release : 2015-07-15
ISBN : 9264232443
Language : En, Es, Fr & De

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Book Description :

This book provides an integrated analysis of trends, indicators and policy developments in the expanding digital economy.