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Author : Anonim
Publisher : Unknown
Page : 148 pages
File Size : 55,7 Mb
Release : 2004
Category : Computer network protocols
ISBN : 0931695260
Author : Jonathan Davidson
Publisher : Cisco Press
Page : 428 pages
File Size : 49,8 Mb
Release : 2006
Category : Computers
ISBN : 9781587052576
Previous ed. by Jonathan Davidson, James Peters, 2000.
Author : Frank M. Groom,Kevin M. Groom
Publisher : Intl. Engineering Consortiu
Page : 166 pages
File Size : 50,6 Mb
Release : 2004
Category : Computers
ISBN : 1931695261
This introduction examines the fundamentals of delivering voice over internet protocol (VoIP) service while exploring its potential in the communications market. It analyzes this trend in-depth, addressing the underlying challenges and benefits and bringing readers up to date on the evolution of VoIP service.
Author : Nicholas Wittenberg
Publisher : Cengage Learning
Page : 448 pages
File Size : 45,9 Mb
Release : 2010-02-01
Category : Internet telephony
ISBN : 0840031300
Understanding Voice Over IP Technology, International Edition provides students with the in-depth knowledge of Voice over IP and the TCP/IP protocol that it is based on. 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. Understanding Voice Over IP Technology provides the integral information needed by Information Technology personnel, as well as management to do their job effectively or plan for future implementations of Voice over IP. For ease of reading, the text is divided into three sections; Voice over IP Overview, TCP/IP the Platform for VOIP, and Voice over IP Technical Details. The sections cover the basics and technical elements necessary, as well as provide review resources for students. To reinforce learning, Understanding Voice Over IP Technology also provides hands-on labs that have been designed to accommodate both classroom and at home self-study. The software used in the labs is freely available for downloading from the Internet.
Author : Bruce Hartpence
Publisher : "O'Reilly Media, Inc."
Page : 243 pages
File Size : 51,7 Mb
Release : 2013
Category : Computers
ISBN : 9781449339678
"A system administrator's guide to VoIP technologies"--Cover.
Author : Uyless D. Black
Publisher : Prentice Hall
Page : 360 pages
File Size : 49,9 Mb
Release : 2002
Category : Computers
ISBN : UOM:39015053521012
Voice Over IP is the #1 guide for professionals planning or running VoIP applications. Uyless Black covers every current technical standard, protocol, and interoperability solution. The Second Edition adds new chapters on gateways, call processing, and traffic engineering; presents in-depth coverage of Cisco Voice QoS; and is the first book to introduce TRIP, the breakthrough protocol for voice message delivery.
Author : Abdul Sattar Mohmand
Publisher : Lulu.com
Page : 255 pages
File Size : 41,5 Mb
Release : 2008-06-28
Category : Technology & Engineering
ISBN : 9781435731653
VoIP or Voice Over Internet Protocol is an emerging telecommunication technology that make use of IP network to carry voice just like PSTN (Public Switched Telephone Network) or traditional phones. There are several companies offering low cost and more flexible phones and packages of VoIP systems. Future belongs to VoIP because of its low cost and flexibility and more control.This innovative technology will change the life of people because the dream of video phone is just behind its bars. This book covers the basic architecture, usefulness, challenges and features of the VoIP Phones systems.
Author : James F. Ransome, PhD, CISM, CISSP,John Rittinghouse, PhD, CISM
Publisher : Elsevier
Page : 432 pages
File Size : 47,6 Mb
Release : 2005-01-19
Category : Computers
ISBN : 0080470467
Voice Over Internet Protocol Security has been designed to help the reader fully understand, prepare for and mediate current security and QoS risks in today’s complex and ever changing converged network environment and it will help you secure your VoIP network whether you are at the planning, implementation, or post-implementation phase of your VoIP infrastructure. * This book will teach you how to plan for and implement VoIP security solutions in converged network infrastructures. Whether you have picked up this book out of curiosity or professional interest . . . it is not too late to read this book and gain a deep understanding of what needs to be done in a VoIP implementation. * In the rush to be first to market or to implement the latest and greatest technology, many current implementations of VoIP infrastructures, both large and small, have been implemented with minimal thought to QoS and almost no thought to security and interoperability.
Author : Timothy V. Kelly
Publisher : John Wiley & Sons
Page : 312 pages
File Size : 55,9 Mb
Release : 2011-05-09
Category : Technology & Engineering
ISBN : 9781118085523
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
Author : Lingfen Sun,Is-Haka Mkwawa,Emmanuel Jammeh,Emmanuel Ifeachor
Publisher : Springer Science & Business Media
Page : 279 pages
File Size : 54,6 Mb
Release : 2013-01-12
Category : Computers
ISBN : 9781447149057
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.
Author : Samrat Ganguly,Sudeept Bhatnagar
Publisher : John Wiley & Sons
Page : 276 pages
File Size : 43,6 Mb
Release : 2008-04-30
Category : Technology & Engineering
ISBN : 9780470997918
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.
Author : Richard Swale
Publisher : IET
Page : 503 pages
File Size : 52,9 Mb
Release : 2001-12-17
Category : Technology & Engineering
ISBN : 9780852960240
Seventeen articles, all written by specialists in industry (most, like the editor, work for BTexact Technologies), offer a broad treatment of Voice over IP, or VoIP. Among the topics are voice quality, access, telephony solutions at the customer level, international standards, SS7 over IP, gateways and the Megaco architecture, bearer-independent call control, numbering and naming, multimedia with H.323, and clearinghouses and open settlement protocol. Annotation copyrighted by Book News, Inc., Portland, OR
Author : Marcus Gonçalves
Publisher : McGraw-Hill Companies
Page : 303 pages
File Size : 51,7 Mb
Release : 1999
Category : Computers
ISBN : 0079137830
Once a guest on telephone lines, the Net now threatens a takeover of its host's principal function: voice-to-voice communications. For intrabusiness use or as a public system, Internet-based telephony can be a real money-saver - or money-maker. In Voice Over IP Networks, you'll learn everything you need to: transmit real-time voices over the Internet; understand the technology and its costs; compare leading vendors and their Internet telephony products - 3Com, Motorola, Lucent, VocalTec, Vienna Systems, Nuera Communications, and more; evaluate advantages of the IPv6 and IPv4 protocols; use RSVP, RTSP, IP Multicast, SONET, ATM, and other technologies for telephony; apply Codecs to voice digitization; emulate T1/E1 trunks; implement a system with appropriate standards; and anticipate trends and new products from innovative companies such as QWest.
Author : Olivier Hersent,Jean-Pierre Petit,David Gurle
Publisher : John Wiley & Sons
Page : 296 pages
File Size : 42,9 Mb
Release : 2005-03-04
Category : Technology & Engineering
ISBN : 0470023627
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.
Author : Bruce Hartpence
Publisher : "O'Reilly Media, Inc."
Page : 242 pages
File Size : 51,7 Mb
Release : 2013-02-26
Category : Electronic
ISBN : 9781449339630
Go under the hood of an operating Voice over IP network, and build your knowledge of the protocols and architectures used by this Internet telephony technology. With this concise guide, you’ll learn about services involved in VoIP and get a first-hand view of network data packets from the time the phones boot through calls and subsequent connection teardown. With packet captures available on the companion website, this book is ideal whether you’re an instructor, student, or professional looking to boost your skill set. Each chapter includes a set of review questions, as well as practical, hands-on lab exercises. Learn the requirements for deploying packetized voice and video Understand traditional telephony concepts, including local loop, tip and ring, and T carriers Explore the Session Initiation Protocol (SIP), VoIP’s primary signaling protocol Learn the operations and fields for VoIP’s standardized RTP and RTCP transport protocols Delve into voice and video codecs for converting analog data to digital format for transmission Get familiar with Communications Systems H.323, SIP’s widely used predecessor Examine the Skinny Client Control Protocol used in Cisco VoIP phones in networks around the world
