Telephony Books - Page 6

IP Telephony Demystified

Ken Camp

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Customer Reviews:
Total reviews: 8 Average rating: 4.5 of 5

A Practical, Down-to-Earth Treatment of a Complex Subject 5 out of 5 stars.
7 of 8 people found this review helpful.

Ken Camp's "IP Telephony Demystified" is a valuable resource for anyone comtemplating the deployment of an IP telephony infrastructure. The introductory material in the beginning prepares the reader for discussion of more complex topics to come. Chapters 4, 6 and 7 deal with the details of the technologies involved in an IP telephony architecture. They are written in an easy-to-understand fashion and offer meaningful comparisons among competing IP telephony standards. Whereas most treatments of this subject focus almost exclusively on the technical details, Mr. Camp's approach places equal emphasis on the business aspects of IP telephony implementation. Chapter 5 offers a particularly honest discussion of the potential benefits of IP telephony in a number of business settings. To summarize, whether you're on the technical side trying to make sense of the myriad of details that comprise IP telephony or on the non-technical side trying to make the best business decisions possible for your organization, there's something in this book for you.

Editorial Review:

IP (Internet Protocol) telephony is simply voice sent over the internet, rather than the traditional phone system. IP telephony has the potential to lower long distance rates by a factor of ten, and can combine voice and data services. IT people are being asked to implement or investigate IP telephony solutions. Small companies are looking to economize by adopting it. Everyone is wondering what IP telephony can do for them. This book will demystify IP telephony for both business people and technology generalists. These people need to understand why to either embrace or shun IP telephony for their individual needs, this book will give them the information to do just that.

Skype(TM): The Definitive Guide

Harry Max, Taylor Ray

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Customer Reviews:
Total reviews: 2 Average rating: 5.0 of 5

Editorial Review:

Learn how to make free phone calls to more than 75 million people, and dirt-cheap phone calls to practically everyone else, anywhere on Earth! You can do it with Skype. This book will help you get started fast, with any computer: Windows, Mac, Linux, even Pocket PC. Then, take Skype to the limit, with SkypeIn, SkypeOut, instant messaging, secure file transfer, even video calling.

 

• Set up and customize Skype in just minutes
• Take Skype on the road--avoid expensive hotel phones and international calls
• Transform your PC into a state-of-the-art Skype videophone
• Troubleshoot Skype connections and audio quality
• Discover even more ways to save money, simplify life, even build your business!

 

Written by Skype insiders, this is the only official guide to Skype. It's up-to-date, easy-to-use, quick, simple . . . and above all, FUN!

Bonus coverage for more experienced users: Skype architecture, security, and advanced configuration.

Taking Charge of Your VoIP Project (Network Business)

John Q. Walker, Jeffrey T. Hicks

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Customer Reviews:
Total reviews: 8 Average rating: 5.0 of 5

Editorial Review:

Strategies and solutions for successful VoIP deployments

Justify your network investment

• The step-by-step approach to VoIP deployment and management enables you to plan early and properly for successful VoIP integration with your existing systems, networks, and applications.
• The detailed introduction offers a common grounding for members of both the telephony and data networking communities.
• IT managers and project leaders are armed with details on building a business case for VoIP, including details of return-on-investment (ROI) analysis and justification.
• A VoIP deployment is presented as a major IT project, enabling you to understand the steps involved and the required resources.
• The comprehensive look at quality of service and tuning describes when and where to use them in a VoIP deployment. These are often the most complex topics in VoIP; you'll get smart recommendations on which techniques to use in various circumstances.
• You learn how to plan for VoIP security, including prevention, detection, and reaction.

Voice over IP (VoIP) is the telephone system of the future. Problem is, VoIP is not yet widely deployed, so there are few skilled practitioners today. As you make your move to VoIP, how will you know how to make VoIP work and keep it working well? What changes will you need to make without disrupting your business? How can you show your return on this investment?

Many books contain technical details about VoIP, but few explain in plain language how to make it run successfully in an enterprise. Taking Charge of Your VoIP Project provides the detailed plans you need to be successful in your organization's deployment of VoIP. Through their years of work in the field, authors John Q. Walker and Jeffrey T. Hicks bring a project-oriented approach to VoIP, with much-needed clarity on getting VoIP to work well.

Taking Charge of Your VoIP Project starts with simple concepts, each chapter building on the knowledge from the last. Although not a technical manual, you learn about the standards, such as H.323, G.711, and Real-Time Transport Protocol (RTP), and the implications they have on your VoIP system. Most importantly, you'll gain expert advice and a systematic guide on how to make VoIP work for your organization.

This volume is in the Network Business Series offered by Cisco Press. Books in this series provide IT executives, decision makers, and networking professionals with pertinent information on today's most important technologies and business strategies.

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Skype Me!: From Single User to Small Enterprise and Beyond

Michael Gough

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Customer Reviews:
Total reviews: 9 Average rating: 5.0 of 5

Editorial Review:

Whether you're a single user or you manage voice communications for a large enterprise, the inevitable change predicted above by Michael Powell of the FCC has now arrived. Skype Me! provides readers with a complete understanding of the technology behind Skype, walks through the steps for getting connected quickly, and then provides IT professionals with instructions on deploying and securing Skype in the workplace.

Get through the Basics Painlessly
Step-by-step instructions get you up and running on Windows, Mac, Pocket PC and Linux devices.

Create Skype Accounts and Begin Chatting Sign up, become listed in the Skype directory, and begin searching for contacts.

Transition Existing Services to Skype Plan a process that gradually replaces those services you currently pay for with Skype.

Expand Skype's Capabilities with Add-ons See how to add voice mail, SMS text messaging, Outlook integration, Web toolbars, and call forwarding.

Extend Skype via Its API
The API itself is divided into two main sections, the Skype Phone API and the Skype Access API.

Use Skype Away from Your Computer
No, you don't need to be at your computer to use Skype. Learn how to connect with your Skype server.

Deploy Skype in the Workplace
Create a system design, accommodate SIP and H.323, and roll out security policies.

Create Business Solutions
Consider the pros and cons of Skype-based help desks, WiFi phones, and other applications.

Configure Firewalls and Network Settings
Make certain that ports, proxy servers, and NAT routers are Skype ready.

Wireless Crime and Forensic Investigation

Gregory Kipper

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Customer Reviews:
Total reviews: 3 Average rating: 3.5 of 5

Editorial Review:

Security is always a concern with any new technology. When we think security we typically think of stopping an attacker from breaking in or gaining access. However, based on the broad reach of wireless, stopping someone from passively listening is just as critical. Intrusion detection systems, firewalls, and forensics are just a few of the key areas that must be understood and applied to proactively solve the wireless problem. From short text messaging to war driving, Wireless Crime and Forensic Investigation explores all aspects of wireless technology, how it is used in daily life, and how it will be used in the future. The book provides a one-stop resource on the types of wireless crimes that are being committed and forensic investigation techniques for wireless devices and wireless networks. The author's straightforward and easy to read style seamlessly integrates the topics of wireless security and computer forensics. He provides a solid understanding of modern wireless technologies, wireless security techniques and wireless crime techniques, as well as conducting forensic analysis on wireless devices and networks. Each chapter, while part of a greater whole, can stand on its own, making researching wireless technologies, security, crime, or forensics easy. With a problem space as big and complex as wireless, proactive measures must be put in place, and put in place immediately. To protect your organization, you need to be well versed in the new technology sooner rather than later. You can pay now or you can pay later. Later always costs more. This book not only has all the information required to become proficient in wireless technology, but also provides the information required for conducting a forensic analysis in a wireless environment.

Asterisk Hacking

Ben Jackson, Champ Clark

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Customer Reviews:
Total reviews: 2 Average rating: 3.0 of 5

Editorial Review:

Asterisk hacking shows readers about a hacking technique they may not be aware of. It teaches the secrets the bad guys already know about stealing personal information through the most common, seemingly innocuous, highway into computer networks: the phone system. The book also comes with an Asterisk Live CD (SLAST) containing all the tools discussed in the book and ready to boot!

This book shows readers what they can do to protect themselves, their families, their clients, and their network from this invisible threat. Power tips show how to make the most out of the phone system and turn it into a samurai sword - for defense or attack!

*Asterisk Live CD (SLAST) containing all the tools discussed in the book and ready to boot!
*Contains original code to perform previously unthought of tasks like changing caller id, narrowing a phone number down to a specific geographic location, and more!
*See through the eyes of the attacker and learn WHY they are motivated, something not touched upon in most other titles

Cisco CallManager Best Practices: A Cisco AVVID Solution (Networking Technology)

Salvatore Collora, Anne Smith, Ed Leonhardt

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Customer Reviews:
Total reviews: 3 Average rating: 4.5 of 5

Editorial Review:

Delivers the proven solutions that make a difference in your Cisco IP Telephony deployment

• Learn dial plan best practices that help you configure features such as intercom, group speed dials, music on hold, extension mobility, and more
• Understand how to manage and monitor your system proactively for maximum uptime
• Use dial plan components to reduce your exposure to toll fraud
• Take advantage of call detail records for call tracing and accounting, as well as troubleshooting
• Utilize the many Cisco IP Telephony features to enable branch site deployments
• Discover the best ways to install, upgrade, patch, and back up CallManager
• Learn how backing up to remote media provides both configuration recovery and failure survivability

IP telephony represents the future of telecommunications: a converged data and voice infrastructure boasting greater flexibility and more cost-effective scalability than traditional telephony. Having access to proven best practices, developed in the field by Cisco® IP Telephony experts, helps you ensure a solid, successful deployment.

 

Cisco CallManager Best Practices offers best practice solutions for CallManager and related IP telephony components such as IP phones, gateways, and applications. Written in short, to-the-point sections, this book lets you explore the tips, tricks, and lessons learned that will help you plan, install, configure, back up, restore, upgrade, patch, and secure Cisco CallManager, the core call processing component in a Cisco IP Telephony deployment. You’ll also discover the best ways to use services and parameters, directory integration, call detail records, management and monitoring applications, and more.

 

Customers inspired this book by asking the same questions time after time: How do I configure intercom? What’s the best way to use partitions and calling search spaces? How do I deploy CallManager regionally on my WAN? What do all those services really do? How do I know how many calls are active? How do I integrate CallManager with Active Directory? Years of expert experiences condensed for you in this book enable you to run a top-notch system while enhancing the performance and functionality of your IP telephony deployment.

Securing VoIP Networks: Threats, Vulnerabilities, and Countermeasures

Peter Thermos, Ari Takanen

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Customer Reviews:
Total reviews: 3 Average rating: 4.5 of 5

Editorial Review:

In Securing VoIP Networks, two leading experts systematically review the security risks and vulnerabilities associated with VoIP networks and offer proven, detailed recommendations for securing them. Drawing on case studies from their own fieldwork, the authors address VoIP security from the perspective of real-world network implementers, managers, and security specialists. The authors identify key threats to VoIP networks, including eavesdropping, unauthorized access, denial of service, masquerading, and fraud; and review vulnerabilities in protocol design, network architecture, software, and system configuration that place networks at risk. They discuss the advantages and tradeoffs associated with protection mechanisms built into SIP, SRTP, and other VoIP protocols; and review key management solutions such as MIKEY and ZRTP. Next, they present a complete security framework for enterprise VoIP networks, and provide detailed architectural guidance for both service providers and enterprise users.

 

1       Introduction

2       VoIP Architectures and Protocols

3       Threats and Attacks

4       VoIP Vulnerabilites

5       Signaling Protection Mechanisms

6       Media Protection Mechanisms

7       Key Management Mechanisms

8       VoIP and Network Security Controls

9       A Security Framework for Enterprise VoIP Networks

10     Provider Architectures and Security

11     Enterprise Architectures and Security

Understanding Telephone Electronics

Stephen J. Bigelow

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Customer Reviews:
Total reviews: 7 Average rating: 4.0 of 5

Better for historical value 1 out of 5 stars.
9 of 14 people found this review helpful.

I found this book to be completely outdated and useless. I had expected to find some state of the art data, or at least recent information. When it came to the best modems, 2400 baud was the best available but 14,400 baud might offer some potential.

It was my fault for buying this dog as I had assumed that it was updated as of 1997 - it was only copyrighted then.

A Good Book 4 out of 5 stars.
7 of 7 people found this review helpful.

The title is accurate. If you want to learn about telephone electronics, this is a great book. It's easy to read, comprehensive and well structured. No, it doesn't go into great detail about state of the art modems or attempt to teach the finepoints of wireless telephony, but it does cover basic fax, modem and telephone electronics very well.

Editorial Review:

* Covers conventional telephone fundamentals and analog and modern digital communications techniques * Features sidebar notes and end of chapter quizzes Understanding Telephone Electronics is an overview of telephone networking which shows how it is connected with the real world and introduces its component parts. The book explains the basics of the non-electronic telephone set and vital telephone functions. It then explores signal processing, telephone line interfacing, tone and pulse generation, and ringers. These concepts and principles are accompanied by a thorough look at the world of digital communications.

The Mobile Connection: The Cell Phone's Impact on Society (Interactive Technologies)

Rich Ling

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Editorial Review:

Can the cell phone forever change the way people communicate? The mobile phone is more than simply a technical innovation or a social fad, more than just an intrusion on polite society. This book, based on worldwide research involving tens of thousands of interviews and contextual observations, looks into the impact of the phone on our daily lives, including changes in our accessibility, safety and security, coordination, and use of public places.

A particularly "good read", this book will be important to the designers, information designers, social psychologists, and others who will have an impact on the development of the various new third generation of mobile telephones.