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Hacking VoIP
Hacking VoIP,Protocols, Attacks, and Countermeasures
Voice over Internet Protocol (VoIP) networks, the technology used to place phone calls through the Internet, suffer from the same security holes as standard IP networks. This book reviews the many possible VoIP attacks, and discusses the best defenses against them.
by Himanshu Dwivedi
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VoIP For Dummies
VoIP For Dummies,
Put your phone system on your computer network and see the savings See how to get started with VoIP, how it works, and why it saves you money VoIP is techspeak for "voice over Internet protocol," but it could spell "saving big bucks" for your business! Here's where to get the scoop in plain English. Find out how VoIP can save you money, how voice communication travels online, and how to choose the best way to integrate your phone system with your network at home or at the office. Discover how to: Use VoIP for your business or home phone service Choose the best network type Set up VoIP on a wireless network Understand transports and services Demonstrate VoIP's advantages to management
by Timothy V. Kelly
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CCNA Voice 640-461 Official Cert Guide
CCNA Voice 640-461 Official Cert Guide,
The official, comprehensive assessment, review, and practice guide for Cisco's latest CCNA Voice exam -- direct from Cisco * *Contains 80% new content, reflecting the exam's expansion to cover Cisco Unified Communications Manager (CUCM), CUCM Express, Unity Connection, Unified Presence, and network infrastructure. *Includes realistic exam questions on CD. *Contains extensive, proven features to help students review efficiently and remember the most important details. This is Cisco's official, comprehensive self-study resource for preparing for the new ICOMM exam - the only exam needed to gain CCNA Voice certification, now an essential prerequisite for CCNP Voice certification. Top Cisco instructor Jeremy D. Cioara presents every objective concisely and logically, with extensive teaching features that promote retention and understanding. Readers will find: * *Pre-chapter quizzes to assess knowledge upfront and focus study more efficiently. *Foundation topics sections that explain concepts and configurations, and link theory to actual configuration commands. *Key topics sections calling attention to every figure, table, and list that candidates must know. *Exam Preparation sections. *Exam-realistic questions on CD About 80% of this edition's content is brand-new, reflecting the new exam's massive revision, reorganization, and expansion. In addition to Cisco CallManager Express, this book now covers Cisco Unified Communications Manager (CUCM), CUCM Express, Unity Connection, Unified Presence, and network infrastructure considerations. Specific topics added in this edition include: * *CUCM/CUCM Express administration. *Managing endpoints and end-users with CUCM. *CUCM dial plan management. *CUCM/CUCM Express mobility features. *Voicemail integration with Unity Connection. *Unified Presence support. *Network infrastructure management/troubleshooting. *Unity Connection management/troubleshooting
by Jeremy Cioara
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Sip
Sip,Understanding the Session Initiation Protocol
This cutting-edge book shows you how SIP provides a highly-scalable and cost-effective way to offer new and exciting telecommunication feature sets, helping you design your OC next generationOCO network and develop new applications and software stacks. Other key discussions include SIP as a key component in the Internet multimedia conferencing architecture, request and response messages, devices in a typical network, types of servers, SIP headers, comparisons with existing signaling protocols including H.323, related protocols SDP (Session Description Protocol) and RTP (Real-time Transport Protocol), and the future direction of SIP. Detailed call flow diagrams illustrate how this technology works with other protocols such as H.323 and ISUP. Moreover, this book covers SIP RFC 3261 and the complete set of SIP extension RFCs."
by Alan B. Johnston
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Smarty PHP Template Programming and Applications
Smarty PHP Template Programming and Applications,
A step-by-step guide to building PHP web sites and applications using the Smarty templating engine.
by Hasin Hayder
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Ecommerce Guide Ebook
Ecommerce Guide Ebook,

by Murtaza Lanewala
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Voice Over IP Fundamentals
Voice Over IP Fundamentals,
Understand the basics of enterprise and public telephony networking, IP networking, and how voice is transported over IP networks. Learn the various caveats of converging voice and data networks. Examine the basic VoIP signaling protocols (H.323, MGCP/H.248, SIP) and primary legacy voice signaling protocols (ISDN, C7/SS7). Explore how VoIP can run the same applications as the existing telephony system but in a more cost-efficient and scalable manner. Delve into such VoIP topics as jitter, latency, packet loss, codecs, QoS tools, and security.
by Jonathan Davidson
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Building a VoIP Network with Nortel's Multimedia Communication Server 5100
Building a VoIP Network with Nortel's Multimedia Communication Server 5100,
The first book published on deploying Voice Over IP (VoIP) products from Nortel Networks, the largest supplier of voice products in the world. This book begins with a discussion of the current protocols used for transmitting converged data over IP as well as an overview of Nortel’s hardware and software solutions for converged networks. In this section, readers will learn how H.323 allows dissimilar communication devices to communicate with each other, and how SIP (Session Initiation Protocol) is used to establish, modify, and terminate multimedia sessions including VOIP telephone calls. This section next introduces the reader to the Multimedia Concentration Server 5100, and Nortel’s entire suite of Multimedia Communications Portfolio (MCP) products. The remaining chapters of the book teach the reader how to design, install, configure, and troubleshoot the entire Nortel product line. · If you are tasked with designing, installing, configuring, and troubleshooting a converged network built with Nortel's Multimedia Concentration Server 5100, and Multimedia Communications Portfolio (MCP) products, then this is the only book you need. · It shows how you'll be able to design, build, secure, and maintaining a cutting-edge converged network to satisfy all of your business requirements · Also covers how to secure your entire multimedia network from malicious attacks
by Larry Chaffin
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Telecom 101
Telecom 101,Third Edition
*** NEW FOURTH EDITION NOW AVAILABLE *** LOOK FOR TELECOM 101, 4TH EDITION This is the historical listing for the third edition. Telecom 101 is the three course workbooks from Teracom’s acclaimed core training Course 101 Telecom, Datacom and Networking for Non-Engineering Professionals combined together into a single professionally-bound softcover textbook with a laminated cover, 401 pages, 177 diagrams and a full index. Telecom 101 covers telecom, datacom and networking from A-Z, organized in logical chapters covering all major topics, and written in our signature telecom for non-engineers style. Specifically designed for the non-engineering professional, we’ll bust the buzzwords, demystify the jargon, and cut through doubletalk. We fill in the gaps, build a solid, structured base of knowledge and show how everything fits together... knowledge and understanding that lasts a lifetime. This content, tuned and refined over the course of eighteen years, has been taught to thousands of people needing to build a solid, structured understanding of telecom, datacom and networking. A high percentage of seminar attendees specifically praise the course materials on seminar evaluations – materials now available in softcover textbook format in Telecom 101. Teracom’s Telecom 101 is an invaluable day-to-day handbook, and is used by many as an economical and convenient way to self-study. A US Army communications specialist deployed to Iraq called it “a lifesaver” when contacting to us to order his own copy after the owner of the one he was borrowing demanded it back! The third edition, published 2008, is completely revised and updated, with complete coverage of telecom, datacom, IP and networking fundamentals plus up-to-date information on VoIP, MPLS, IP, DSL, wireless and more. Compare this to hunting down and paying hundreds of dollars for multiple books by different authors that may or may not cover what you need to know - in plain English - and you’ll agree this is a very attractive deal. Chapter list: PART 1: Fundamentals of Telecommunications Introduction Fundamentals of Telephony Telecom Equipment The Telecommunications Industry Digital Communications Transmission Systems T1 Wireless Communications Voice Services and Jargon PART 2: Understanding Data Communications Introduction to Data Communications and Networking How Data is Formatted for Transmission Modems Broadband Modems Understanding LANs PART 3: Understanding IP and Networking Understanding Protocol Stacks IP Addressing Private Networks Using Routers and Dedicated Lines Bandwidth On Demand IP Network Services Understanding the Internet Wrapping Up Ideal for anyone needing an authoritative, up-to-date reference covering all major topics in telecommunications, data communications, IP and networking… in plain English. A wealth of clear, concise, organized knowledge, impossible to find in one place anywhere else. Order your copy today to benefit from this career- and productivity-enhancing training… an investment that will be repaid many times over.
by Eric Coll
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The Internet and Email For The Over 50s: Teach Yourself
The Internet and Email For The Over 50s: Teach Yourself,
Do you feel that you have been left behind in the technological revolution? Are you looking for sound, practical advice on getting the most out of email and the Internet? If so, The Internet and email for the Over 50s is exactly what you need! Focusing on a wide range of internet and email uses that are of particular relevance and interest to older computer users and the technologically terrified, including travel, shopping and much more, this book even covers online dating! The author approaches the subject in a highly accessible way, covering emailing, making calls over the Internet, shopping online, banking, setting up a blog and searching online. Starting from first basics, it begins with how to choose the right computer, software and peripherals. Made up of of self-contained chapters with the emphasis on what the computer is being used for, rather than scary technical stuff about the software needed, this book covers key areas of interest including: getting started with email, sending and receiving emails and attachments; making phone calls over the internet (VOIP etc), 'chatting' online; reading and writing blogs; keeping your personal information safe online and keeping your computer safe from viruses; finding what you need on the internet, shopping, banking and online auctions. Filled with clear instructions and supported with screenshots, tips, hints and a full 'jargon-busting' glossary, it assumes no prior knowledge of using the internet and email, guiding you with practical good humour to success. NOT GOT MUCH TIME? One, five and ten-minute introductions to key principles to get you started. AUTHOR INSIGHTS Lots of instant help with common problems and quick tips for success, based on the author's many years of experience. TEST YOURSELF Tests in the book and online to keep track of your progress. EXTEND YOUR KNOWLEDGE Extra online articles at www.teachyourself.com to give you a richer understanding of the Internet and email. FIVE THINGS TO REMEMBER Quick refreshers to help you remember the key facts. TRY THIS Innovative exercises illustrate what you've learnt and how to use it.
by Bob Reeves
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