Voice Over Ip

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VoIP

Author : Samrat Ganguly
Publisher : John Wiley & Sons
ISBN 13 : 0470997915
Total Pages : 276 pages
Book Rating : 4.4/5 (79 download)

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Book Synopsis VoIP by : Samrat Ganguly

Download or read book VoIP written by Samrat Ganguly and published by John Wiley & Sons. This book was released on 2008-04-30 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understand how new network technologies impact VoIP! Voice over Internet Protocol (VoIP) is revolutionizing the way people communicate – both in the corporate world and in personal life. The enormous success of VoIP has led to its adoption in a wide range of networking technologies. Each network technology has its unique features and poses distinct challenges for the performance of VoIP. VoIP: Wireless, P2P and New Enterprise Voice over IPdescribes the issues arising in the deployment of VoIP in an emerging heterogeneous network environment. Along with a brief overview of the concepts, protocols, algorithms, and equipment involved in realizing VoIP, this book focuses on two areas: quality and performance issues in deploying VoIP over various network settings, and the new mechanisms and protocols in these emerging networks to assist the deployment of VoIP. VoIP: Wireless, P2P and New Enterprise Voice over IP: Discusses the basics of VoIP, VoIP codecs and VoIP Protocols including SIP and H.323. Details new technologies such as P2P technology, VoWiFi, WiMax, and 3G Networks. Explains the QoS issues arising from deploying VoIP using the new technologies. Solves the performance issues that arise when VoIP is deployed over different network technologies. This book is an invaluable resource for professional network engineers, designers, managers, researchers, decision makers and project managers overseeing VoIP implementations. Market analysts, consultants, and those studying advanced undergraduate and graduate courses on data, voice and multimedia communications will also find this book insightful.

Packet Guide to Voice Over IP

Author : Bruce Hartpence
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1449339670
Total Pages : 243 pages
Book Rating : 4.4/5 (493 download)

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Book Synopsis Packet Guide to Voice Over IP by : Bruce Hartpence

Download or read book Packet Guide to Voice Over IP written by Bruce Hartpence and published by "O'Reilly Media, Inc.". This book was released on 2013 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt: "A system administrator's guide to VoIP technologies"--Cover.

Voice Over IP First-step

Author : Kevin Wallace
Publisher :
ISBN 13 : 9781282654716
Total Pages : 304 pages
Book Rating : 4.6/5 (547 download)

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Book Synopsis Voice Over IP First-step by : Kevin Wallace

Download or read book Voice Over IP First-step written by Kevin Wallace and published by . This book was released on 2006 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Guide to Voice and Video over IP

Author : Lingfen Sun
Publisher : Springer Science & Business Media
ISBN 13 : 144714905X
Total Pages : 279 pages
Book Rating : 4.4/5 (471 download)

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Book Synopsis Guide to Voice and Video over IP by : Lingfen Sun

Download or read book Guide to Voice and Video over IP written by Lingfen Sun and published by Springer Science & Business Media. This book was released on 2013-01-12 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a review of the latest advances in speech and video compression, computer networking protocols, the assessment and monitoring of VoIP quality, and next generation network architectures for multimedia services. The book also concludes with three case studies, each presenting easy-to-follow step-by-step instructions together with challenging hands-on exercises. Features: provides illustrative worked examples and end-of-chapter problems; examines speech and video compression techniques, together with speech and video compression standards; describes the media transport protocols RTP and RTCP, as well as the VoIP signalling protocols SIP and SDP; discusses the concepts of VoIP quality of service and quality of experience; reviews next-generation networks based on the IP multimedia subsystem and mobile VoIP; presents case studies on building a VoIP system based on Asterisk, setting up a mobile VoIP system based on Open IMS and Android mobile, and analysing VoIP protocols and quality.

Switching to VoIP

Author : Theodore Wallingford
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 0596517297
Total Pages : 504 pages
Book Rating : 4.5/5 (965 download)

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Book Synopsis Switching to VoIP by : Theodore Wallingford

Download or read book Switching to VoIP written by Theodore Wallingford and published by "O'Reilly Media, Inc.". This book was released on 2005 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: More and more businesses today have their receive phone service through Internet instead of local phone company lines. Many businesses are also using their internal local and wide-area network infrastructure to replace legacy enterprise telephone networks. This migration to a single network carrying voice and data is called convergence, and it's revolutionizing the world of telecommunications by slashing costs and empowering users. The technology of families driving this convergence is called VoIP, or Voice over IP. VoIP has advanced Internet-based telephony to a viable solution, piquing the interest of companies small and large. The primary reason for migrating to VoIP is cost, as it equalizes the costs of long distance calls, local calls, and e-mails to fractions of a penny per use. But the real enterprise turn-on is how VoIP empowersbusinesses to mold and customize telecom and datacom solutions using a single, cohesive networking platform. These business drivers are so compelling that legacy telephony is going the way of the dinosaur, yielding to Voice over IP as the dominant enterprise communications paradigm. Developed from real-world experience by a senior developer, O'Reilly's Switching to VoIP provides solutions for the most common VoIP migration challenges. So if you're a network professional who is migrating from a traditional telephony system to a modern, feature-rich network, this book is a must-have. You'lldiscover the strengths and weaknesses of circuit-switched and packet-switched networks, how VoIP systems impact network infrastructure, as well as solutions for common challenges involved with IP voice migrations. Among the challenges discussed and projects presented: building a softPBX configuring IP phones ensuring quality of service scalability standards-compliance topological considerations coordinating a complete system ?switchover? migrating applications like voicemail and directoryservices retro-interfacing to traditional telephony supporting mobile users security and survivability dealing with the challenges of NAT To help you grasp the core principles at work, Switching to VoIP uses a combination of strategy and hands-on how-to that introduce VoIP routers and media gateways, various makes of IP telephone equipment, legacy analog phones, IPTables and Linux firewalls, and the Asterisk open source PBX software by Digium.You'll learn how to build an IP-based or legacy-compatible phone system and voicemail system complete with e-mail integration while becoming familiar with VoIP protocols and devices. Switching to VoIP remains vendor-neutral and advocates standards, not brands. Some of the standards explored include: SIP H.323, SCCP, and IAX Voice codecs 802.3af Type of Service, IP precedence, DiffServ, and RSVP 802.1a/b/g WLAN If VoIP has your attention, like so many others, then Switching to VoIP will help you build your own system, install it, and begin making calls. It's the only thing left between you and a modern telecom network.

Delivering Voice over IP Networks

Author : Daniel Minoli
Publisher : John Wiley & Sons
ISBN 13 : 0471449350
Total Pages : 512 pages
Book Rating : 4.4/5 (714 download)

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Book Synopsis Delivering Voice over IP Networks by : Daniel Minoli

Download or read book Delivering Voice over IP Networks written by Daniel Minoli and published by John Wiley & Sons. This book was released on 2003-02-17 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes new coverage on the advances in signaling protocols,second-generation switching and the development of non-switchedalternatives, and the implementation lessons learned. Contains in-depth coverage of network architectures used tosupport VoIP, performance and voice quality considerations,compression and integration methods for IP tranmissions.

VoIP For Dummies

Author : Timothy V. Kelly
Publisher : John Wiley & Sons
ISBN 13 : 1118085523
Total Pages : 312 pages
Book Rating : 4.1/5 (18 download)

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Book Synopsis VoIP For Dummies by : Timothy V. Kelly

Download or read book VoIP For Dummies written by Timothy V. Kelly and published by John Wiley & Sons. This book was released on 2011-05-09 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Practical VoIP Security

Author : Thomas Porter CISSP CCNP CCDA CCS
Publisher : Elsevier
ISBN 13 : 0080489559
Total Pages : 592 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis Practical VoIP Security by : Thomas Porter CISSP CCNP CCDA CCS

Download or read book Practical VoIP Security written by Thomas Porter CISSP CCNP CCDA CCS and published by Elsevier. This book was released on 2006-03-31 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: Voice Over IP (VoIP) phone lines now represent over 50% of all new phone line installations. Every one of these new VoIP phone lines and handsets must now be protected from malicious hackers because these devices now reside on the network and are accessible from the Internet just like any server or workstation. This book will cover a wide variety of the publicly available exploit tools and how they can be used specifically against VoIP (Voice over IP) Telephony systems. The book will cover the attack methodologies that are used against the SIP and H.323 protocols as well as VoIP network infrastructure. Significant emphasis will be placed on both attack and defense techniques. This book is designed to be very hands on and scenario intensive · More VoIP phone lines are being installed every day than traditional PBX phone lines · VoIP is vulnerable to the same range of attacks of any network device · VoIP phones can receive as many Spam voice mails as your e-mail can receive Spam e-mails, and as result must have the same types of anti-spam capabilities

VoIP and Unified Communications

Author : William A. Flanagan
Publisher : John Wiley & Sons
ISBN 13 : 1118166035
Total Pages : 322 pages
Book Rating : 4.1/5 (181 download)

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Book Synopsis VoIP and Unified Communications by : William A. Flanagan

Download or read book VoIP and Unified Communications written by William A. Flanagan and published by John Wiley & Sons. This book was released on 2012-02-27 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: Translates technical jargon into practical business communications solutions This book takes readers from traditional voice, fax, video, and data services delivered via separate platforms to a single, unified platform delivering all of these services seamlessly via the Internet. With its clear, jargon-free explanations, the author enables all readers to better understand and assess the growing number of voice over Internet protocol (VoIP) and unified communications (UC) products and services that are available for businesses. VoIP and Unified Communications is based on the author's careful review and synthesis of more than 7,000 pages of published standards as well as a broad range of datasheets, websites, white papers, and webinars. It begins with an introduction to IP technology 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 analyses and payback calculations, enabling readers to accurately determine the short- and long-term financial impact of migrating to various VoIP and UC products and services. There's also a chapter detailing major IP systems hardware and software. Throughout the book, diagrams illustrate how various VoIP and UC components and systems work. In addition, the author highlights potential problems and threats to UC services, steering readers away from common pitfalls. Concise and to the point, this text enables readers—from novices to experienced engineers and technical managers—to understand how VoIP and UC really work so that everyone can confidently deal with network engineers, data center gurus, and top management.

Hacking VoIP

Author : Himanshu Dwivedi
Publisher : No Starch Press
ISBN 13 : 1593271638
Total Pages : 236 pages
Book Rating : 4.5/5 (932 download)

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Book Synopsis Hacking VoIP by : Himanshu Dwivedi

Download or read book Hacking VoIP written by Himanshu Dwivedi and published by No Starch Press. This book was released on 2009 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Understanding Voice Over IP Security

Author : Alan B. Johnston
Publisher : Artech House Publishers
ISBN 13 :
Total Pages : 296 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Understanding Voice Over IP Security by : Alan B. Johnston

Download or read book Understanding Voice Over IP Security written by Alan B. Johnston and published by Artech House Publishers. This book was released on 2006 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: VoIP (voice over IP) networks are currently being deployed by enterprises, governments, and service providers around the globe. Today, the hottest topic with engineers in the field is how to secure these networks. The book teaches practitioners how to design a highly secure VoIP network, explains Internet security basics, such as attack types and methods, and more.

Beyond VoIP Protocols

Author : Olivier Hersent
Publisher : John Wiley & Sons
ISBN 13 : 9780470023624
Total Pages : 296 pages
Book Rating : 4.0/5 (236 download)

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Book Synopsis Beyond VoIP Protocols by : Olivier Hersent

Download or read book Beyond VoIP Protocols written by Olivier Hersent and published by John Wiley & Sons. This book was released on 2005-03-04 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1999-2000, VoIP (Voice-over-IP) telephony was one of the most successful buzzwords of the telecom bubble era. However, in 2001-2003, VoIP faced a very tough reality check. Now, manufacturers and service providers are drawing on what they have learnt from past experience in order to prepare to participate in the next major challenge faced by the telecommunications industry. This book offers a comprehensive overview of the issues to solve in order to deploy global revenue-generating effective "multimedia" services. Drawing on extensive research and practical deployment experience in VoIP, the authors provide essential advice for those seeking to design and implement a post-bubble VoIP network. Beyond VoIP Protocols: Understanding Voice Technology and Networking Techniques for IP Telephony Introduces the basics of speech coding and voice quality Demonstrates how quality of service may be built into the network and deals with dimensioning aspects, e.g. multipoint communications and how to model call seizures. Explores the potential of multicast to turn an IP backbone into an optimized broadcast medium Includes amply illustrated, state-of-the-art practical advice for formulating a complete deployment strategy A companion volume to "IP Telephony: Deploying VoIP Protocols", this book takes the reader a stage deeper into how to prepare the network and exploit VoIP technology to its full potential.

Deploying Cisco Voice Over IP Solutions

Author : Jonathan Davidson
Publisher : Cisco Press
ISBN 13 : 9781587050305
Total Pages : 616 pages
Book Rating : 4.0/5 (53 download)

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Book Synopsis Deploying Cisco Voice Over IP Solutions by : Jonathan Davidson

Download or read book Deploying Cisco Voice Over IP Solutions written by Jonathan Davidson and published by Cisco Press. This book was released on 2002 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by Cisco "RM" CCIEs "TM, " Technical Marketing Engineers, and Systems Engineers who have real-life experience with Cisco "RM" VoIP networks, this guide includes coverage of Virtual Private Networks (VPNs), admission control, security, fax and modem traffic, and unified messaging. Learn from real-world scenarios.

Configuring Cisco Voice Over IP

Author : Syngress
Publisher : Elsevier
ISBN 13 : 0080476740
Total Pages : 577 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis Configuring Cisco Voice Over IP by : Syngress

Download or read book Configuring Cisco Voice Over IP written by Syngress and published by Elsevier. This book was released on 2002-09-13 with total page 577 pages. Available in PDF, EPUB and Kindle. Book excerpt: Configuring Cisco Voice Over IP, Second Edition provides network administrators with a thorough understanding of Cisco's current voice solutions. This book is organized around the configuration of all of Cisco's core VoIP products, including Cisco CallManager software, Cisco 7910 series of phones, and server-based IP PBXs. In addition, AVVID coverage has been added. An update to a bestselling title in a growth market. Continued competitive pressure on ISPs to deliver VoIP will create strong demand information on topic Voice Over IP is expected to make great inroads in 2002. Voice-over-IP got its start at the time of the first edition of the book; it is now real and more companies are adopting it since IT managers have become less skeptical of IP telephony's reliability and more aware of the potential cost savings and application benefits of a converged network. Voip wares now promise easier quality-of-service (QoS) deployment, and a multitude of new IP phones and conferencing stations for corporations. Cisco and IBM recently announced a package deal that could help businesses quickly roll out IP voice in a small or midsize office. Since getting into the IP telephony market two years ago, Cisco has seen quick success in selling its voice-over-IP products into its vast installed base of IP LAN equipment customers. The firm was the top vendor of IP phones in the first quarter of this year and second in IP PBX system shipments (behind 3Com), according to Cahners In-Stat.

Voice Over IP Fundamentals

Author : Jonathan Davidson
Publisher : Cisco Press
ISBN 13 : 1587052571
Total Pages : 428 pages
Book Rating : 4.5/5 (87 download)

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Book Synopsis Voice Over IP Fundamentals by : Jonathan Davidson

Download or read book Voice Over IP Fundamentals written by Jonathan Davidson and published by Cisco Press. This book was released on 2006 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: Previous ed. by Jonathan Davidson, James Peters, 2000.

Understanding Voice Over IP Technology

Author : Nicholas Wittenberg
Publisher : Cengage Learning
ISBN 13 : 9781435427273
Total Pages : 448 pages
Book Rating : 4.4/5 (272 download)

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Book Synopsis Understanding Voice Over IP Technology by : Nicholas Wittenberg

Download or read book Understanding Voice Over IP Technology written by Nicholas Wittenberg and published by Cengage Learning. This book was released on 2009-02-19 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding Voice Over IP Technology provides students with the in-depth knowledge of Voice over IP technology, or making telephone calls over data networks such as the Internet, has now reached the tipping point, and is expected to eventually become the standard telephone technology. The text is flexible enough to be used in the classroom, at home, and in the workplace. Important Notice: Media content referenced within the product description or the product text may not be available in the ebook version.

VoIP Technology: Applications and Challenges

Author : Tamal Chakraborty
Publisher : Springer
ISBN 13 : 3319955942
Total Pages : 265 pages
Book Rating : 4.3/5 (199 download)

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Book Synopsis VoIP Technology: Applications and Challenges by : Tamal Chakraborty

Download or read book VoIP Technology: Applications and Challenges written by Tamal Chakraborty and published by Springer. This book was released on 2018-08-03 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers an accessible introduction and practical guide to Voice over Internet Protocol (VoIP) technology, providing readers with the know-how to solve the problems encountered in applying VoIP technology across all types of network. It incorporates the latest research findings and brings readers up to date with the challenges that are faced by researchers developing novel applications of VoIP. The authors discuss the general architecture of VoIP technology, along with its application and relevance in conventional and emerging wireless communication networks, including Wireless Local Area Networks (WLANs), Worldwide Interoperability for Microwave Access (WiMAX), Long Term Evolution (LTE) and Cognitive Radio Networks. The book also includes Quality of service (QoS) studies under dynamic and unpredictable network conditions, which examine the reliability of both legacy systems And the upcoming pervasive computing systems. Further, it explains how the heuristic-based learning algorithms that are used in VoIP communications may help develop today’s technology in the area of autonomous systems. This book is a valuable source of information for academics and researchers, as it provides state-of-theart research in VoIP technology. It is also of interest to network designers, application architects, and service providers looking for a coherent understanding of VoIP across a wide range of devices, network applications and user categories.