Telephony Books - Page 4

Carrier Grade Voice Over IP (second edition)

Daniel Collins

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

Very much self contained 5 out of 5 stars.
19 of 21 people found this review helpful.

Great book on VoIP, still emerging technology. It did a great job in explaining concepts related to QoS such as RSVP, DiffServ and MPLS. Right from basics such as IP, UDP, TCP and various coding techniques you will find great explanation to each and every item. If you are interested in knowing about VoIP or you if u wanna work on VoIP this is the ONLY book you need. There is very detailed and neat explanation related to MGCP, MEGACO, SS7 and SIP too. The only thing that i felt lacking is testing of voice quality both subjective and objective and how they could be done. No doubt in giving 5 *s to it, great job!

Editorial Review:

In 2002 voice over IP will constitute more than 25% of all long distance voice calls, according to Network World. That’s more than a 30% ramp-up from 2001. The emergence of SIP, MPLS and new quality of service tools is making carrier grade voice over IP a service reality, and a potentially huge margin booster and revenue driver for service providers. The first edition of Carrier Grade Voice over IP played a roll in VoIP growth, in less than year becoming an essential tool for carriers working to provide high quality IP telephony. This new edition vastly updates the SIP chapter, details MPLS, and takes the explanations of the previous edition a step further in a final chapter that shows, step by step, how to design working VoIP networks.

Building Telephony Systems with Asterisk

David Gomillion

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Customer Reviews:
Total reviews: 10 Average rating: 3.5 of 5

Editorial Review:

This book shows how to build a telephony system for your home or business using the free and open source application, Asterisk. ‘Building a Telephony System with Asterisk’ takes you step-by-step through the process of installing and configuring Asterisk. It shows you how to make a deployment plan, and how to create a dial plan. The book also presents example configurations for using Asterisk in three different scenarios: for small and home offices, small businesses, and Hosted PBX. With an engaging style and excellent way of presenting information, this book makes a complicated subject very easy to understand. This book takes you from installing and configuring Asterisk to using its various advanced features—helping you build feature-rich telephony systems. With this book, you will learn how to:

* Install, configure, and deploy Asterisk

* Create a dialplan that suits your needs

* Build a fully-featured telephony system

* Monitor, record, and log calls

* Install and use Asterisk@Home

* Backup, secure, and maintain Asterisk

* Use example configurations for different requirements

iPhone in Action: Introduction to Web and SDK Development

Christopher Allen, Shannon Appelcline

Amazon Price: $26.39 List Price: $39.99 Not yet published By: Manning Publications

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Editorial Review:

iPhone in Action is a complete introduction to programming for the iPhone, and the first book to cover the newest version of the iPhone SDK version 2.1. Coauthored by one of the leaders of the iPhone development community, this book shows readers how to do web development and use the new iPhone SDK.

This book takes current web developers, shows them how to develop web pages specifically for the iPhone, and then bootstraps them up to SDK programming. It also shows programmers comfortable with structured languages how to program specifically with the SDK. This introductory book to iPhone development lets developers who are new to the iPhone technology dive right in and start creating applications.

The first half of the book covers web programming. Readers learn how to adapt existing web pages to the iPhone using unique metatags and events, as well as all the ins and outs of how to create new web applications just for the iPhone.

The second half covers native iPhone programming using the brand new iPhone SDK. Readers will learn to use the tools which Apple provides to program, debug, and test iPhone applications. This book also covers the major aspects of the SDK, including UI creation, graphics, and the interfaces that Apple provides to access other iPhone apps.

Voice over IP First-Step

Kevin Wallace

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Customer Reviews:
Total reviews: 6 Average rating: 5.0 of 5

Editorial Review:

Your first step into the world of IP telephony

• No IP telephony experience required
• Includes clear and easily understood explanations
• Makes learning easy

Your first step to the world of IP telephony begins here!

• Learn how voice and data communications merge in voice-over-IP technology
• Use this reader-friendly guide to understand the benefits of this technology
• Explore real-life applications and theories through case studies in every chapter

Welcome to the world of voice over IP

We use either a telephone or e-mail for much of our day-to-day communication. Today, these two worlds are merging, and companies can place phone calls over their existing data network infrastructures using a technology called voice over IP (VoIP).

No prior experience with VoIP technology is required

Voice over IP First-Step is anyone’s introduction to the world of VoIP networks. The concepts in this book are presented in plain language, so you don’t need in-depth background knowledge to comprehend the technologies covered. If you work with data networks, if you work with telephony networks, if you’re a home user interested in how VoIP can reduce your monthly phone bill, or if the concept of VoIP simply intrigues you, this book is for you.

Hacking Exposed VoIP: Voice Over IP Security Secrets & Solutions (Hacking Exposed)

David Endler, Mark Collier

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

Editorial Review:

Sidestep VoIP Catastrophe the Foolproof Hacking Exposed Way

"This book illuminates how remote users can probe, sniff, and modify your phones, phone switches, and networks that offer VoIP services. Most importantly, the authors offer solutions to mitigate the risk of deploying VoIP technologies." --Ron Gula, CTO of Tenable Network Security

Block debilitating VoIP attacks by learning how to look at your network and devices through the eyes of the malicious intruder. Hacking Exposed VoIP shows you, step-by-step, how online criminals perform reconnaissance, gain access, steal data, and penetrate vulnerable systems. All hardware-specific and network-centered security issues are covered alongside detailed countermeasures, in-depth examples, and hands-on implementation techniques. Inside, you'll learn how to defend against the latest DoS, man-in-the-middle, call flooding, eavesdropping, VoIP fuzzing, signaling and audio manipulation, Voice SPAM/SPIT, and voice phishing attacks.

• Find out how hackers footprint, scan, enumerate, and pilfer VoIP networks and hardware
• Fortify Cisco, Avaya, and Asterisk systems
• Prevent DNS poisoning, DHCP exhaustion, and ARP table manipulation
• Thwart number harvesting, call pattern tracking, and conversation eavesdropping
• Measure and maintain VoIP network quality of service and VoIP conversation quality
• Stop DoS and packet flood-based attacks from disrupting SIP proxies and phones
• Counter REGISTER hijacking, INVITE flooding, and BYE call teardown attacks
• Avoid insertion/mixing of malicious audio
• Learn about voice SPAM/SPIT and how to prevent it
• Defend against voice phishing and identity theft scams

VoIP Deployment For Dummies (For Dummies (Computer/Tech))

Stephen P. Olejniczak

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Editorial Review:

So you’re in charge of implementing a VoIP phone system for your organization? VoIP Deployment For Dummies is a crash course in Voice over Internet Protocol implementation!

Here’s how to analyze your network and implement a VoIP phone system, manage and maintain it, keep it secure, and troubleshoot problems. You’ll learn how to plan the rollout, work with Session Initiation Protocol (SIP), handle fax issues, and keep your users happy.

• Understand how VoIP works, common misconceptions about it, and the pros and cons for your organization
• Compare and comprehend hardware and software choices
• Discover the options for touch tones and faxing via VoIP systems
• Analyze network devices, IP addresses, connections to remote sites, and other aspects that will affect VoIP implementation
• Draw up a test plan, check out both voice and fax transmission, get a report, and schedule the installation
• Investigate SIP call generation, identify the elements, understand cancelled calls, and re-INVITE calls
• Troubleshoot your system, identify call variables, trace the source of a problem, manage trouble tickets, and resolve failures
• Manage latency, jitter, and flap, and take advantage of Wireshark
• Find out what to expect when your system goes live

Written by an expert with extensive real-world experience in VoIP implementation and management, VoIP Deployment For Dummies provides the know-how you need. You’ll be able to implement your system and manage any issues proactively, which is sure to look good to your boss!

Voice over IP Fundamentals (2nd Edition) (Fundamentals)

Jonathan Davidson, James Peters, Manoj Bhatia, Satish Kalidindi, Sudipto Mukherjee

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Customer Reviews:
Total reviews: 17 Average rating: 3.0 of 5

Editorial Review:

The authors of Voice over IP Fundamentals--three packet-voice specialists at Cisco Systems--initiate their exploration of next-generation technologies for supporting conversations across large distances: the switched telephone network as implemented on large (intercontinental) and small (building and enterprise) scales. They then point out problems with the old way of doing things and illuminate the standards and regulatory conditions that have made Internet telephony attractive. Signaling System 7 (SS7) gets particularly insightful coverage, with ample graphical support for the clear, fact-rich, example-laden prose.

The authors do a great service for readers by breaking packet telephony into its component technologies and explaining each one carefully. Coverage of the various protocols that enable voice over IP, particularly H.323 and Session Initiation Protocol (SIP), is simultaneously clear and deep. The same goes for media gateway protocols and various schemes for translating sounds into digital signals and back again, while retaining maximum clarity. There's even some practical material; concluding chapters diagram Cisco router configurations for voice traffic and flesh out solutions with case studies.

You'll like this book if you need to implement a voice over IP system and know more about IP than you do about traditional voice telecommunications. The patient and detailed explanations of traditional telephony concepts and voice over IP protocols will mesh nicely with your existing data communications knowledge, enabling you to make wise design and product decisions. --David Wall

Covered topics: The Public Switched Telephone Network (PSTN), signaling specifications (including Bell System, ISDN, and Signaling System 7), the basics of Internet Protocol (IP), modulation and compression of voice, Quality of Service (QoS), H.323, Session Initiation Protocol (SIP), and gateway protocols. Business considerations of Internet telephony are also addressed.

Hacking VoIP: Protocols, Attacks, and Countermeasures

Himanshu Dwivedi

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Editorial Review:

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, the inherent vulnerabilities of common hardware and software packages, and how to:

• Identify and defend against VoIP security attacks such as eavesdropping, audio injection, caller ID spoofing, and VoIP phishing
• Audit VoIP network security
• Assess the security of enterprise-level VoIP networks such as Cisco, Avaya, and Asterisk, and home VoIP solutions like Yahoo! and Vonage
• Use common VoIP protocols like H.323, SIP, and RTP as well as unique protocols like IAX
• Identify the many vulnerabilities in any VoIP network

Whether you're setting up and defending your VoIP network against attacks or just having sick fun testing the limits of VoIP networks, Hacking VoIP is your go-to source for every aspect of VoIP security and defense.

Voice & Data Communications Handbook, Fifth Edition (McGraw-Hill Communication Series)

Regis "Bud" J. Bates, Donald W. Gregory

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Customer Reviews:
Total reviews: 1 Average rating: 5.0 of 5

Editorial Review:

The Definitive Telecommunications Reference--Fully Updated

Understand cutting-edge telecommunication and networking technologies using this straightforward, real-world implementation guide. Fully revised to cover all of the latest transmission protocols, Voice & Data Communications Handbook, Fifth Edition covers all the bases-from analog transmission, VPNs, and LANs to DSL, CATV, WiFi, VoIP, and GSM. This authoritative volume covers the ins-and-outs of each vital topic, supplies practical examples and solutions, and provides helpful self-tests. You'll also find up-to-date information on regulatory standards, switches, routers, frame relay, and security procedures.

• Use new wireless technologies
• Understand the building blocks of analog transmission-bandwith, amplitude, and frequency
• Provide transparent communications using the OSI model and seven-layer architecture
• Comply with local and federal regulations and RBOCs
• Transmit information using routers, SS7, PBX, and KTS switches
• Send and receive data across TCP/IP, wireless, cellular, and optical systems
• Create a connection using a modem
• Connect to multiple VPNs and LANs using frame relay, ATM, and MPLS
• Deploy high-speed broadband access with cable modems, xDSL, and CATV
• Get details on VoIP, SIP, and voice over data services
• Increase bandwidth using IP telephony techniques and PBX equipment

SIP Demystified

Gonzalo Camarillo

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Customer Reviews:
Total reviews: 9 Average rating: 4.0 of 5

paper wasted sip book 2 out of 5 stars.
4 of 8 people found this review helpful.

Author is really good but the way SIP described in the book is a kind of child-story , details on important parts of SIP and on unified services are skipped instead make-up parts are highlighted.

Editorial Review:

State-of-the-art SIP primer

SIP (Session Initiation Protocol) is the open standard that will make IP telephony an irresistible force in communications, doing for converged services what http does for the Web. SIP Demystified – authored by Gonzalo Camarillo, one of the contributors to SIP development in the IETF—gives you the tools to keep your company and career competitive. This guide tells you why the standard is needed, what architectures it supports, and how it interacts with other protocols. As a bonus, you even get a context-setting background in data networking. Perfect if you’re moving from switched voice into a data networking environment, here’s everything you need to understand:

* Where, why, and how SIP is used
* What SIP can do and deliver
* SIP’s fit with other standards and systems
* How to plan implementations of SIP-enabled services
* How to size up and choose from available SIP products