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Books > Professional & Technical > Electronics & communications engineering > Communications engineering / telecommunications > Telephone technology

Broadband networks in the Middle East and North Africa - accelerating high-speed internet access (Paperback): Natalija... Broadband networks in the Middle East and North Africa - accelerating high-speed internet access (Paperback)
Natalija Gelvanovska, World Bank, Michel Rogy
R675 Discovery Miles 6 750 Out of stock

Just as the steam engine was the driving force behind the Industrial Revolution, today, broadband Internet is seen as critical to the transition of knowledge-intensive economies across the world. As a general purpose technology, broadband Internet is considered a fundamental driver of economic growth and social development, releasing the innovative potential and energy of previously disenfranchised members of the population. Many of the countries in the Middle East and North Africa region (MENA) now recognize that broadband Internet is crucial to their efforts to reduce poverty and create job opportunities, especially for their young populations and for women. Broadband Networks in the Middle East and North Africa re-emphasizes the important contribution that broadband Internet can make and assesses the status of existing nfrastructure in at least 18 MENA countries. While there is significant potential across the region, the take-up of broadband Internet has been slow and the price of broadband service is high in many countries. In large part, this stems from market structures that, too often, reflect the past when telecommunications were treated as a monopoly utility service. The report finds that there are gaps in infrastructure regionally with no connectivity between neighboring countries in some cases. Similarly, there are gaps within countries exacerbating the (digital) divide between rural and urban areas. "Broadband Networks in the Middle East and North Africa" examines the regulatory and market bottlenecks that are hampering the growth of the Internet in these and other MENA countries: the five North African countries (Algeria, Egypt, Morocco, Libya, Tunisia); the six Mashreq countries (the Islamic Republic of Iran, Iraq, Jordan, Lebanon, Syria, and the West Bank and Gaza economy); the six Gulf countries (Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, the United Arab Emirates); and Djibouti and the Republic of Yemen. Last, the report provides policy and regulatory options for increasing effective use of existing fixed and mobile infrastructure as well as alternative infrastructure networks such as power grids and railroads. It explains the benefits of effective cross-sector infrastructure construction frameworks, highlighting the need to adjust market structures to foster competitive behavior among service providers to bring down prices and stimulate the demand for value-added services to drive future broadband development.

Mobile Apps & Banking - Investigations of Shopping, Payment & Financial Services (Hardcover): Paulina Nolan Mobile Apps & Banking - Investigations of Shopping, Payment & Financial Services (Hardcover)
Paulina Nolan
R2,931 Discovery Miles 29 310 Out of stock

Through a variety of new mobile applications ("apps"), technology is rapidly changing the way consumers shop. Today's mobile apps offer new beneficial services designed to enhance the consumer shopping experience. These apps allow smartphone users to compare competing products and retailers in real-time, seek out the best deals, and pay for their purchases by waving their phones at the checkout counter. Many of these apps have been installed on millions of devices, and all use mobile technology to alter consumers' shopping. Mobile payments can be a convenient way for consumers to pay for goods and services but they also raise consumer protection concerns. This book examines the mobile payments industry and its effects on consumers, while exploring areas where more attention is warranted such as dispute resolution, data security, and privacy.

Practical Mobile Forensics (Paperback): Satish Bommisetty, Rohit Tamma, Heather Mahalik Practical Mobile Forensics (Paperback)
Satish Bommisetty, Rohit Tamma, Heather Mahalik
R1,539 Discovery Miles 15 390 Out of stock

The book is an easy-to-follow guide with clear instructions on various mobile forensic techniques. The chapters and the topics within are structured for a smooth learning curve, which will swiftly empower you to master mobile forensics. If you are a budding forensic analyst, consultant, engineer, or a forensic professional wanting to expand your skillset, this is the book for you. The book will also be beneficial to those with an interest in mobile forensics or wanting to find data lost on mobile devices. It will be helpful to be familiar with forensics in general but no prior experience is required to follow this book.

Digital Crossroads - Telecommunications Law and Policy in the Internet Age (Paperback, second edition): Jonathan E.... Digital Crossroads - Telecommunications Law and Policy in the Internet Age (Paperback, second edition)
Jonathan E. Nuechterlein, Philip J. Weiser
R917 R797 Discovery Miles 7 970 Save R120 (13%) Out of stock

A thoroughly updated, comprehensive, and accessible guide to U.S. telecommunications law and policy, covering recent developments including mobile broadband issues, spectrum policy, and net neutrality. In Digital Crossroads, two experts on telecommunications policy offer a comprehensive and accessible analysis of the regulation of competition in the U.S. telecommunications industry. The first edition of Digital Crossroads (MIT Press, 2005) became an essential and uniquely readable guide for policymakers, lawyers, scholars, and students in a fast-moving and complex policy field. In this second edition, the authors have revised every section of every chapter to reflect the evolution in industry structure, technology, and regulatory strategy since 2005. The book features entirely new discussions of such topics as the explosive development of the mobile broadband ecosystem; incentive auctions and other recent spectrum policy initiatives; the FCC's net neutrality rules; the National Broadband Plan; the declining relevance of the traditional public switched telephone network; and the policy response to online video services and their potential to transform the way Americans watch television. Like its predecessor, this new edition of Digital Crossroads not only helps nonspecialists climb this field's formidable learning curve, but also makes substantive contributions to ongoing policy debates.

Windows phone 7.5 application development with F# (Paperback): Lohith G. N. Windows phone 7.5 application development with F# (Paperback)
Lohith G. N.
R689 Discovery Miles 6 890 Out of stock

A short book with important concepts and instructions. This book is for those who want to find out more about Windows Phone and are familiar with functional programming languages, and in particular, F#. The book assumes that you know how to program using F# as a language. However, the book does take you through a brief introduction to Windows Phone as a platform and F# as a language.

How to Do Everything (Paperback, Ed): Jason Rich How to Do Everything (Paperback, Ed)
Jason Rich
R618 R515 Discovery Miles 5 150 Save R103 (17%) Out of stock

Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product. Maximize the power of your iPhone 5Master the versatile features of your iPhone 5 and stay organized, connected, informed, and entertained. How to Do Everything: iPhone 5 covers iOS 6 and the new capabilities added to the core functions and apps, such as Contacts, Calendar, Reminders, Notes, Safari, Mail, Camera, Maps, FaceTime, and iTunes. You'll also learn how to use iCloud, Notification Center, and Siri. Plus, discover tips on finding and downloading additional apps that can dramatically increase your iPhone's performance. This hands-on guide covers it all! Get assistance from Siri and use the Dictation feature Import and sync data from your computer, iCloud, and other iOS devices Discover preinstalled apps and download additional apps Make and receive calls, use voicemail, and set up custom ringtones Manage Contacts and stay organized with Calendar, Reminders, and Notes Surf the Web with Safari Shoot, edit, and share photos and videos Navigate with turn-by-turn directions using the newly redesigned Maps app Manage e-mail accounts, use text messaging, and connect to social media networks, including Facebook and TwitterVideo chat via FaceTime or Skype Experience multimedia entertainment and read e-books and digital editions of newspapers and magazines Play exciting single- and multi-player games Protect and troubleshoot your iPhone 5

Long Term Evolution IN BULLETS, 2nd Edition (Paperback, 2nd ed.): Chris Johnson Long Term Evolution IN BULLETS, 2nd Edition (Paperback, 2nd ed.)
Chris Johnson
R1,668 Discovery Miles 16 680 Out of stock

This book provides a comprehensive description of the Long Term Evolution (LTE) radio access network, as specified by 3GPP. The content is aimed towards anyone wishing to learn the basics, or to develop a more thorough understanding. The content is presented in the form of bullet points to keep it concise and to allow rapid access to the key information. Highlights include: - Complete text is presented as bullet points - Can be read with ease and in less time - Illustrations and tables support text - Content includes both introductory and advanced topics - Based upon the release 8, 9 and 10 versions of the 3GPP specifications - Detailed description of air-interface, bit rates and physical channels - Most important messages and signalling procedures explained - Idle mode and physical layer procedures presented - Practical radio network planning subjects addressed - Includes both FDD and TDD variants - LTE Advanced technologies presented - Voice over LTE solutions described

Windows Phone Application Sketch Book (Paperback, 1st ed.): Dean Kaplan Windows Phone Application Sketch Book (Paperback, 1st ed.)
Dean Kaplan
R335 R298 Discovery Miles 2 980 Save R37 (11%) Out of stock

Think you have the next great Windows Phone app idea? The Windows Phone Application Sketch Book is an essential tool for any aspiring Windows Phone developer. This sketch book makes it easy to centralize and organize your ideas, featuring enlarged Windows Phone templates to write on. Professionally printed on high-quality paper, it has a total of 150 gridded templates for you to draft ideas and doodle designs while providing ample room to make notes and document the app name and screen name. This book is an invaluable tool for bringing your next great Windows Phone app idea to life What you'll learn* The Apress Windows Phone Application Sketch Book makes it easy to keep design ideas organized in one central place. * Includes 150 magnified templates for easy use, with plenty of room on the gridded page to jot notes and doodle designs. * This professional notepad gives your design a finished look from which to share ideas with colleagues and clients. Who this book is for Any aspiring Windows Phone developer.

Teaching with iPad How-to (Paperback, 1st New edition): Shubhangi Harsha, Sumit Kataria Teaching with iPad How-to (Paperback, 1st New edition)
Shubhangi Harsha, Sumit Kataria
R564 Discovery Miles 5 640 Out of stock
Windows Phone 7 XNA Cookbook (Paperback): Zheng Yang Windows Phone 7 XNA Cookbook (Paperback)
Zheng Yang
R1,203 Discovery Miles 12 030 Out of stock
Windows Phone 7.5 Data Cookbook (Paperback): Ramesh Thalli Windows Phone 7.5 Data Cookbook (Paperback)
Ramesh Thalli
R1,054 Discovery Miles 10 540 Out of stock

The book is written in a cookbook style, presenting examples in the style of recipes, allowing you to go directly to your topic of interest, or follow topics throughout a chapter to gain in-depth knowledge. This book is for developers who want to build data-driven apps, or a line of business applications using the Windows Phone platform. It is also useful for developers on other mobile platforms looking to convert their apps to Windows Phone 7.5 Mango. Basic understanding of C#, XAML and Silverlight is required.

Taking Your iPhone 4S to the Max - For iPhone 4S and Other iOS 5-Enabled iPhones (Paperback, 1st ed.): Erica Sadun, Steve... Taking Your iPhone 4S to the Max - For iPhone 4S and Other iOS 5-Enabled iPhones (Paperback, 1st ed.)
Erica Sadun, Steve Sande, Michael Grothaus
R585 R496 Discovery Miles 4 960 Save R89 (15%) Out of stock

Unleash the power of your new iPhone 4S or other iOS 5-driven iPhone and take it to the limit using powerful tips and techniques from the Apple experts at TUAW, Erica Sadun, Steve Sande, and Michel Grothaus. Fast and fun to read, Taking Your iPhone 4S to the Max shows you how to get the most out of your iPhone using Apple's new iOS 5. Whether you're using the new iPhone 4S or earlier iPhone that runs the new iOS 5, you'll find all the best undocumented tricks, as well as the most efficient and enjoyable introduction to the iPhone available. Starting with an introduction to iPhone basics, you'll quickly discover the iPhone's hidden potential, like how to connect to a TV, use Voice Control using Siri, have video chats with FaceTime, and call friends overseas with low-cost VoIP. From the unified e-mail inbox and surfing the Web with Mobile Safari, exploring the world of social networking, using the multitasking capabilities of iOS 5, taking and editing photos, shopping for apps, media, and books, or just managing phone calls--you'll find it all in this book. You'll even learn tips on where to get the best iPhone accessories.Get ready to take your iPhone 4S and earlier running the new iOS 5 to the max What you'll learn * Master the powerful multitasking capabilities of the new iPhone 4S and earlier iOS 5-enabled iPhones * Communicate with the world through FaceTime video chats, voice calls, SMS and MMS messaging, email, and social networking * Entertain yourself and friends with music, games, books, and videos--all in the palm of your hand * Customize your iPhone with your choice of hundreds of thousands of useful and fun apps Who this book is for Whether you use your iPhone for video chats with friends and relatives, playing games, keeping up with work, or capturing special moments in photos or video, we wrote this book with you in mind.Table of Contents SETUP 1: Selecting, Buying, and Activating Your iPhone 2: Putting Your Data and Media on Your iPhone MEET THE PHONE 3: Interacting with Your New iPhone 4: Placing Calls with iPhone GETTING ONLINE 5: Browsing with Wi-Fi and Safari 6: Staying in touch with FaceTime and Messages 7: Setting Up and Using Email MEDIA AND SHOPPING 8: Touching Your Music 9: Shopping at the Music Store 10: Shopping at the App Store 11: Reading and Buying Books with iBooks + Newstand PHOTOS, VIDEO AND THE CAMERA 12: Touching Your Photos and Videos (Photos, YouTube, Videos apps, AirPlay) 13: Recording the World Around You with the Camera ACCESSORIES 14: Staying On Time and Getting There with Clock, Calendar, and Maps 15: Leveraging Your Desk Set: Contacts, Calculator, Notes, Weather, Stocks, Voice Memos, and Reminders PREFERENCES 16: Customizing your iPhone (Settings & Accessibility)

The March Of Mobile Money - The Future of Lifestyle Management (Hardcover): Sam Pitroda The March Of Mobile Money - The Future of Lifestyle Management (Hardcover)
Sam Pitroda
R141 Discovery Miles 1 410 Ships in 10 - 15 working days

Pitroda registered his first patent on the mobile wallet in 1994, and since then he and his colleague, Mehul Desai, have been traversing the world, taking this technology forward. Initially resistant to the idea of mobile money, the three stakeholders in mobile telephony - telecom companies, banks and merchants - are now realizing that it is crucial to their growth. All of them are now reinventing themselves for our mobile phones, and competing with each other to manage our lifestyles. For telecom companies, it is no longer about connectivity but about delivering personalized and secure services. For banks, it is no longer about deposits and lending but about the convergence of financial products and services; and for merchants, it is no longer about goods but goods bundled with services. For India, which has more mobile phone subscribers (over 470 million, with over ten million being added every month) than bank account holders, mobile money can be an engine for growth. It can also be a life-transforming technology for social good, empowering those at the bottom of the pyramid. Once again, India can show the way to the world.

Text Messaging Survival Guide (Paperback): Evie Shoeman, Jack Shoeman Text Messaging Survival Guide (Paperback)
Evie Shoeman, Jack Shoeman
R352 Discovery Miles 3 520 Out of stock

Have you ever wanted to learn text messaging lingo so you could decipher what your kids were text messaging to each other or have you ever wanted to become an expert in text messaging so you could send someone a quick message? Either way, this book is for you. This book will demystify the art of text messaging.
AYTMTB, because I care. IMHO, this book will be for the young and old alike. Cell phones and messaging shorthand is a thing of the future that everyone will be able to use. Need to send a short message to someone, but don't want to interrupt him or her at work or school? Send them a text message from your cell phone.
AYTMTB= And you're telling me this because
IMHO= In my humble opinion
BTW= By the way
What would you do if you received a text message that read: LTNS, PCML8r H&K. How would you answer back or could you? Text messages are generally limited to 160 characters so people started devising quick and efficient ways to send messages. Voila, text messaging shorthand. BTW, the message above reads; Long time no see, please call me later Hugs and kisses. We hope you enjoy learning text messaging as much as we enjoyed writing this book.

Telephone Interpreting - A Comprehensive Guide to the Profession (Paperback): Nataly Kelly Telephone Interpreting - A Comprehensive Guide to the Profession (Paperback)
Nataly Kelly
R637 Discovery Miles 6 370 Out of stock

While it may be a new concept for many readers, telephone interpreting has been successfully used to enable speakers of different languages to communicate for more than three decades. With time, the field has evolved to ensure that high levels of quality can be obtained, both in terms of connectivity and quality of interpretation. However, in spite of its 30-year history and widespread use throughout the world, very little has been written about telephone interpreting. In this, the first book devoted entirely to the subject, the author provides readers with long-awaited transparency and insight into the field, in order to promote the highest possible standards of quality. The publication serves as a practical guide for interpreters, a resource for educators, a reference text for researchers and a comprehensive handbook for consumers of interpreting services everywhere.
This book provides readers with a fascinating in-depth view into the world of remote interpretation via telephone. The first publication devoted exclusively to the topic, this book offers a wealth of information for interpreters, educators, training professionals and consumers of interpreting services within the realms of health care, legal services, public safety, finance, social services, insurance and numerous other industries where telephone interpreting services are used. Through the model code of ethics and standards of practice included in the book, readers can gain a better understanding of the levels of quality that can be obtained through telephone interpretation. Numerous role-play scenarios are also included to facilitate telephone interpreting practice.

iPhone for Work - Increasing Productivity for Busy Professionals (Paperback, 1st ed.): Ryan Faas iPhone for Work - Increasing Productivity for Busy Professionals (Paperback, 1st ed.)
Ryan Faas
R565 R475 Discovery Miles 4 750 Save R90 (16%) Out of stock

The iPhone is cool, and the iPhone is fun, but the iPhone also means serious business. For those of you who bought your iPhones to help get your lives organized and free yourselves from the ball and chain of desktop computing, iPhone at Work: Productivity for Professionals is the book to show you how.

There are plenty of general-purpose iPhone guides, but iPhone at Work: Productivity for Professionals shows you how to complete all the traditional smartphone tasks, like to-do lists, calendars, and e-mail, and become much more efficient and productive at work. You'll learn mechanisms for developing effective workflows specific to the features of the iPhone and also efficient strategies for dealing with the specialized aspects of business and professional lifestyles.

From the introduction and throughout the book, author Ryan Faas targets professional users of the iPhone. You'll tour the built-in applications and configuration options, always with work and productivity in mind, and discover all of the enterprise features of the iPhone, learning how to configure and use each one.

Then discover the App Store: source of all third-party software. There's something a bit daunting about the dominance of games and frivolous apps on the best-seller lists, but there are serious business and vertical applications also available, and you'll learn about some of the best and how to take advantage of this wealth of add-on and very professional functionality.

And for those administrators with the special job of deploying lots of new iPhones across the enterprise, this book concludes with two appendixes that provide information and resources for companies. The first is intended for organizations looking to perform larger-scale iPhone or iPod touch deployments complete with device management. The second is geared for those companies that wish to develop an iPhone platformoriented infrastructure through the use of customized in-house applications and iPhone/iPod touchspecific web services. What you'll learn Purchase and configure an iPhone specifically for business Integrate built-in iPhone platform features into an everyday professional workflow Access enterprise-wide data and computing features Pick up specific tips for different professions Deploy the iPhone platform across groups both large and small Discover the secrets of iPhone platform customization and personalization Who this book is for

You already have or are considering the purchase of an iPhone. You know it's the coolest smartphone around, but you actually want to use it to make your professional life more efficient, more productive, and more fun Clearly, the iPhone has inherent uses for a broad range of professions including management, sales, medical/dental, legal, real estate, training and education, human resources, and information technology, so there are many of you. Some of you are novice mobile device users, others are highly experienced mobile pros. No matter, because every professional iPhone user across this continuum of experience wants to learn to work smarter, better, and more efficiently. This book shows you how to use your iPhone to do this. Table of Contents Buying and Activating Your iPhone Using Your iPhone for the First Time Getting Online Phone Home (Or Work, Clients, or Anyone Else) Texting and Media Messaging for a Living E-mail Calendar Contacts Microsoft Exchange and ActiveSync Photos and Video Web Browsing with Mobile Safari Getting Around Using Maps iPod and iTunes The Remaining Built-In Apps Understanding iPhone Applications and the App Store General Business Applications Apps for Specific Professions

Hacking Voip (Paperback): Himanshu Dwivedi Hacking Voip (Paperback)
Himanshu Dwivedi
R944 R720 Discovery Miles 7 200 Save R224 (24%) Out of stock

Voice over Internet Protocol (VoIP) networks have freed users from the tyranny of big telecom, allowing people to make phone calls over the Internet at very low or no cost. But while VoIP is easy and cheap, it's notoriously lacking in security. With minimal effort, hackers can eavesdrop on conversations, disrupt phone calls, change caller IDs, insert unwanted audio into existing phone calls, and access sensitive information. Hacking VoIP takes a dual approach to VoIP security, explaining its many security holes to hackers and administrators. If you're serious about security, and you either use or administer VoIP, you should know where VoIP's biggest weaknesses lie and how to shore up your security. And if your intellectual curiosity is leading you to explore the boundaries of VoIP, Hacking VoIP is your map and guidebook. Hacking VoIP will introduce you to every aspect of VoIP security, both in home and enterprise implementations. You'll learn about popular security assessment tools, t

The Telephone Gambit - Chasing Alexander Graham Bell's Secret (Paperback): Seth Shulman The Telephone Gambit - Chasing Alexander Graham Bell's Secret (Paperback)
Seth Shulman
R318 R261 Discovery Miles 2 610 Save R57 (18%) Out of stock

Throughout his career, Alexander Graham Bell, one of the world's most famous inventors, was plagued by a secret: he stole the key idea behind the invention of the telephone. While researching at MIT, science journalist Seth Shulman scrutinized Bell's journals and within them found the smoking gun: a hint of deeply buried historical deception. Delving further into Bell's life, Shulman unearthed the surprising story behind the telephone, a tale of romance, corruption, and unchecked ambition.

How to Do Everything with Your iPhone (Paperback, Ed): Jason Chen, Adam Pash How to Do Everything with Your iPhone (Paperback, Ed)
Jason Chen, Adam Pash
R446 R390 Discovery Miles 3 900 Save R56 (13%) Out of stock

Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product. Get the most out of your iPhone by learning how to use all of its powerful capabilities Filled with tips, tricks, and shortcuts, this book shows you how to set up your iPhone, make calls, manage voicemail, and load contacts. But that's just the beginning. You'll also learn how to send and receive email, look up turn-by-turn directions, listen to music, plan your week, play videos, and so much more. Plus, you'll find out how to install third-party applications and even use your iPhone with different carriers. Now that you've got the hottest handheld on the market, take it to the limit with help from this hands-on guide. Activate your iPhone and modify settings Sync your data to your iPhone Organize contacts, make calls, and use voicemail Load and play music, podcasts, videos, and TV shows Send, receive, and manage email and SMS messages Browse the Internet with Safari Manage and sync appointments with the calendar Take pictures and view photos Navigate using Google Maps Get weather forecasts, YouTube videos, and stock information instantly Troubleshoot and maintain your iPhone Hack your iPhone to install third-party applications Unlock your iPhone for use with different carriers

Speed Spectrum - Hedy Lamarr and the Mobile Phone (Paperback): Rob Walters Speed Spectrum - Hedy Lamarr and the Mobile Phone (Paperback)
Rob Walters
R299 Discovery Miles 2 990 Out of stock

This popular book was updated in 2013 just thirteen years after the death of the glamourous film star Hedy Lamarr. She was a famous Hollywood star and the first woman to appear naked on film. George Antheil was a piano player and composer. So just how did these two come to invent the latest technology used by the mobile phone? Or did they? She was labelled 'the most beautiful girl in the world' and he 'the bad boy of music' yet way back in 1942 they took out a patent covering the vital radio technique that we now call spread spectrum.

This absorbing book traces the eventful and sometimes scandalous lives of Hedy and George. It tells the fascinating story of radio and the ongoing battle to make it secure and of similar quality to wired communication. Spread spectrum emerged from that battle to become the solution of choice for anything from mobile phones to wireless computer networks.

Voice Over IPv6 - Architectures for Next Generation VoIP Networks (Paperback): Daniel Minoli Voice Over IPv6 - Architectures for Next Generation VoIP Networks (Paperback)
Daniel Minoli
R1,268 Discovery Miles 12 680 Out of stock

IPv6 (Internet Protocol version 6) is the future of Internet telephony. And this book is your guide to that future.
IPv6 is the replacement for the currently used IPv4 (Internet Protocol version 4). IPv6 will offer increased IP addresses (full 128-bit addresses, compared to the 32-bit addresses of IPv4), enhanced security, and greater robustness. It will also be fully backwards compatible with existing IPv4 systems. These capabilities will finally make Internet telephony a viable competitor to conventional switched telephone networks. In this book, Dan Minoli clearly explains IPv6 and how telephone networks can be built on its foundations.
This is not just another IPv6 book; instead, it focuses on those aspects of IPv6 relevant to Internet telephony systems and voice networks. Minoli uses a compare/contrast approach, exploring where IPv6 is similar to IPv4 and where it differs, to let you quickly grasp the essence of IPv6 and the similarities (and differences) between current IPv4-based systems and IPv6-based systems.
If you will be designing, implementing, or maintaining the next generation of Internet telephony systems, then you need the information in this book
*Explains the essential concepts of IPv6 and how they relate to Internet telephony
*Describes how Internet telephony systems using IPv6 are different from, and better than, Internet telephony systems based on the older IPv4 standard
*Discusses how to transition existing IPv4 Internet telephony systems and conventional switched systems to IPv6-based systems
*Extensive treatment of security issues, including IP layer encryption and authentication methods
*Explains connection techniques, including plug and play approaches, for equipment used in IPv6 systems
* The first title describing how the next generation Internet protocol IPv6 can be used for Internet telephony
* Explains IPv6 as it applies to Internet telephony (VoIP)
* Shows how IPv6 gives better security, QoS, and signal integrity in Internet telephony"

The 3G IP Multimedia Subsystem (IMS) - Merging the Internet and the Cellular Worlds (Hardcover, 2nd Revised edition):... The 3G IP Multimedia Subsystem (IMS) - Merging the Internet and the Cellular Worlds (Hardcover, 2nd Revised edition)
Miguel-Angel Garcia-Martin, Gonzalo Camarillo
R747 Discovery Miles 7 470 Ships in 4 - 6 working days

"The 3G IP Multimedia Subsystem (IMS): Merging the Internet and the Cellular Worlds, Second Edition" is an updated version of the best-selling guide to this exciting technology that will merge the Internet with the cellular world, ensuring the availability of Internet technologies such as the web, email, instant messaging, presence and videoconferencing nearly everywhere. In this thoroughly revised overview of the IMS and its technologies, goals, history, vision, the organizations involved in its standardization and architecture, the authors first describe how each technology works on the Internet and then explain how the same technology is adapted to work in the IMS, enabling readers to take advantage of any current and future Internet service.Key features of the Second Edition include: a new chapter on next generation networks, including an overview on standardization, the architecture, and PSTN/ISDN simulation services; fully updated chapter on the push-to-talk over cellular (PoC) service, covering the standardization in the Open Mobile Alliance (OMA), architecture, PoC session types, user plane, and the Talk Burst Control Protocol; several expanded sections, including discussion of the role of the open mobile alliance in the standardization process, IPv4 support in IMS, a description of the IMS Application Layer Gateway and the Transition Gateway, and a description of the presence data model; updated material on the presence service, session-based instant messages with the Message Session Relay Protocol (MSRP), and the XML Configuration Access Protocol (XCAP). It is supported by a companion website on which instructors and lecturers can find electronic versions of the figures. Engineers, programmers, business managers, marketing representatives, and technically aware users will all find this to be an indispensable guide to IMS and the business model behind it.

Watching Television Come of Age - The New York Times Reviews by Jack Gould (Paperback, 1st ed): Lewis L. Gould Watching Television Come of Age - The New York Times Reviews by Jack Gould (Paperback, 1st ed)
Lewis L. Gould
R495 R435 Discovery Miles 4 350 Save R60 (12%) Out of stock

Providing video companionship for isolated housewives, afternoon babysitting for children, and nonstop evening entertainment for the whole family, television revolutionized American society in the post-World War II years. Helping the first TV generation make sense of the new medium was the mission of Jack Gould, television critic of The New York Times from 1947 to 1972. In columns noteworthy for crisp writing, pointed insights, and fair judgment, he highlighted both the untapped possibilities and the imminent perils of television, becoming "the conscience of the industry" for many people.

In this book, historian Lewis L. Gould, Jack Gould's son, collects over seventy of his father's best columns. Grouped topically, they cover a wide range of issues, including the Golden Age of television drama, McCarthy-era blacklisting, the rise and fall of Edward R. Murrow, quiz show scandals, children's programming, and the impact of television on American life and of television criticism on the medium itself. Lewis Gould also supplies a brief biography of his father that assesses his influence on the evolution of television, as well as prefaces to each section.

OSI Reference Model for Telecommunications (Paperback): Debbra Wetteroth OSI Reference Model for Telecommunications (Paperback)
Debbra Wetteroth
R1,310 Discovery Miles 13 100 Out of stock

OSI IN THE VOICE ENVIRONMENT


HERE’S STRAIGHTFORWARD EXPLANATIONS OF THE OSI LAYERS AND THEIR RELATIONSHIP TO TELECOM SERVICE AND EQUIPMENT. WHETHER YOU NEED ANWERS ON HARDWARE, SOFTWARE, ERROR CONTROL OR INTERFACES, LOOK INSIDE FOR BASIC FACTS AND HOW TO MANAGE THOSE CRITICAL “SPECIAL CIRCUMSTANCES”


The OSI (Open System Interconnection) Reference Model is a cornerstone of modern network design. Although the OSI model has become almost synonymous with data communications, it serves the public switched telephone network (PSTN) as well and is a productive way to organize and teach the building blocks of telecom systems.


In OSI Reference Model for Telecommunications, hands-on expert Debbra Wetteroth provides telecom staffers the information they need to gain a working knowledge of this essential telecom service architecture and equipment. Her style that breaks down the barriers between data and voice vocabularies. This quick reference to the OSI model puts the data you need everyday at your fingertips.


Look inside for an understandable schematics of:

* Mapping PSTN functions to OSI

* The basics of successful data transmissions

* What OSI is and does

* The components that make up OSI

* OSI “common knowledge” (the kind that’s not always so common), such as numbering system, signaling rates, and noise distortion data

* A detailed description of Layers 1 to 3 and a thorough review of the Transport Layer. For each layer, you’ll learn roles, functions, definitions, and more


This unique volume will prove invaluable to telecommunications technicians, field supervisors, switch managers, network analysts, network designers, and anyone else who needs detailed explanation of the many components of OSI.




iPhone & Apple Watch for Health & Fitness in easy steps (Paperback): Nick Vandome iPhone & Apple Watch for Health & Fitness in easy steps (Paperback)
Nick Vandome 1
R207 Discovery Miles 2 070 Ships in 4 - 6 working days
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