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Telephony
21. |  Building Enterprise-Ready Telephony Systems with sipXecs 4.0 By: Michael W. Picher Publisher: Packt Publishing Publication Date: 23-JUL-2009 Insert Date: 21-MAR-2010 Slots: 1.0 | Overview: Building Enterprise-Ready Telephony Systems with sipXecs 4.0
Leveraging open source VOIP for a rock-solid communications system
Learn how to plan, deploy and migrate an enterprise ready communications system with sipXecs
Discover the different options for configuring phones, users and server features to get the best result for your organization
Secure and maintain your sipXecs system
In Detail
Open source telephony systems are making big waves in the communications industry. Moving your organization from a lab environment to production system can seem like a daunting and inherently risky proposition. Building Enterprise Ready...
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22. |  Building Telephony Systems with OpenSIPS 1.6 By: Flavio E. Goncalves Publisher: Packt Publishing Publication Date: 20-JAN-2010 Insert Date: 14-MAR-2010 Slots: 1.0 | Overview: Building Telephony Systems with OpenSIPS 1.6
Build scalable and robust telephony systems using SIP
Build a VoIP Provider based on the SIP Protocol
Cater to scores of subscribers efficiently with a robust telephony system based in pure SIP
Gain a competitive edge using the most scalable VoIP technology
Learn how to avoid pitfalls using precise billingPacked with rich practical examples and case studies on the latest OpenSIPS version 1.6
In Detail
SIP is the most important VoIP protocol and OpenSIPS is clearly the open source leader in VoIP platforms based on pure SIP. The whole telecommunication industry is...
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23. |  By: Christina Hattingh; Darryl Sladden; ATM Zakaria Swapan Publisher: Cisco Press Publication Date: 18-FEB-2010 Insert Date: 24-JUN-2009 Slots: 1.0 | Overview: SIP Trunking The first complete guide to planning,
evaluating, and implementing high-value SIP trunking solutions
Most large enterprises have switched to IP
telephony, and service provider backbone networks have largely
converted to VoIP transport. But there’s a key missing link:
most businesses still connect to their service providers via
old-fashioned, inflexible TDM trunks. Now, three
Cisco® experts show how to use Session Initiation
Protocol (SIP) trunking to eliminate legacy interconnects and gain
the full benefits of end-to-end VoIP.
Written for enterprise decision-makers,
network architects,...
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24. |  By: Timothy V. Kelly Publisher: für Dummies Publication Date: 11-MAY-2006 Insert Date: 04-JUN-2009 Slots: 1.0 | Overview: VoIP für Dummies®
VoIP ist die Abkürzung für Voice over Internet Protocol. Auch, wenn das sehr kompliziert und technisch klingt, so bedeutet es doch nichts anderes, als dass man über das Internet telefonieren und damit jede Menge Geld sparen kann. Timothy V. Kelly erklärt in diesem Buch wie die menschliche Stimme über das Internet übertragen wird, wie man ein Telefon mit seinem Computer zuhause oder dem Firmennetzwerk im Büro verbindet und wie man den besten Anbieter findet. Ein praktischer Ratgeber für den Umstieg zur Internettelefoniererei.
...
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25. |  Practical Asterisk 1.4 and 1.6: From Beginner to Expert By: Stefan Wintermeyer; Stephen Bosch Publisher: Addison-Wesley Professional Publication Date: 20-DEC-2009 Insert Date: 03-JUN-2009 Slots: 1.0 | Overview: Practical Asterisk 1.4 and 1.6: From Beginner to Expert Using the open source Asterisk platform, you
can deploy a state-of-the-art VoIP PBX on a low-cost PC or server
for a fraction of the cost of conventional PBX systems. The only
drawback to Asterisk is its notoriously poor documentation.
Practical Asterisk 1.4 and 1.6 is the solution
to that problem. This book provides all the detailed, real-world,
ground-level information you need to plan, install, configure, and
reliably operate Asterisk in any environment.
This tutorial and reference systematically
introduces each of Asterisk’s key building blocks and shows
how to use them to implement a...
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26. |  Publisher: For Dummies Publication Date: 17-NOV-2008 Insert Date: 17-MAY-2009 Slots: 1.0 | Overview: VoIP Deployment For Dummies®
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...
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27. |  VoIP Performance Management and Optimization By: Adeel Ahmed - CCIE No. 4574; Habib Madani; Talal Siddiqui - CCIE No. 4280 Publisher: Cisco Press Publication Date: 29-JUL-2010 Insert Date: 08-MAR-2009 Slots: 1.0 | Overview: VoIP Performance Management and Optimization VoIP Performance Management and
Optimization
A KPI-based approach to managing and
optimizing VoIP networks
IP Communications
Adeel Ahmed, CCIE® No. 4574
Habib Madani
Talal Siddiqui, CCIE No. 4280
VoIP Performance Management and
Optimization is the first comprehensive, expert guide to
managing, monitoring, troubleshooting, and optimizing large VoIP
networks. Three leading Cisco VoIP experts bring together
state-of-the-art techniques for ensuring that customer service
level agreements (SLA) are consistently met or exceeded.
The authors begin by reviewing how VoIP is
deployed in...
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28. |  Cisco TelePresence Fundamentals By: Tim Szigeti - CCIE No. 9794; Kevin McMenamy; Roland Saville; Alan Glowacki Publisher: Cisco Press Publication Date: 28-MAY-2009 Insert Date: 18-FEB-2009 Slots: 1.0 | Overview: Cisco TelePresence Fundamentals Cisco TelePresence™ Systems (CTS)
create live, face-to-face meeting experiences, providing a
breakthrough virtual conferencing and collaboration experience that
transcends anything previously achievable by videoconferencing.
Although the business case for deploying CTS is compelling,
implementing it requires advanced knowledge of the latest
networking technologies, an attention to detail, and thorough
planning. In this book, four leading CTS technical experts cover
everything you need to know to successfully design and deploy CTS
in your environment.
The authors cover every element of a...
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29. |  Microsoft® Voice and Unified Communications By: Joe Schurman Publisher: Addison-Wesley Professional Publication Date: 15-FEB-2009 Insert Date: 16-FEB-2009 Slots: 1.0 | Overview: Microsoft® Voice and Unified Communications “Microsoft Voice and Unified
Communications is essential reading for anyone using–or
considering–Microsoft’s range of VoIP options, from
consumers to small business owners to enterprise
customers.”
--Xuedong Huang,
General Manager, Microsoft Research Communications, Innovation
Center
“Joe Schurman has captured the essence
of Microsoft’s vision and implementation in the areas of
Voice and Unified Communications. This is an important book for
those interested in connecting the dots between the present and the
future in human communications and understanding why things are
evolving in that...
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30. |  IP Telephony Using CallManager Express Lab Portfolio By: Cheryl A. Schmidt; Ernie Friend Publisher: Cisco Press Publication Date: 22-DEC-2006 Insert Date: 03-FEB-2009 Slots: 1.0 | Overview: IP Telephony Using CallManager Express Lab Portfolio IP Telephony Using CallManager
Express Lab Portfolio provides a hands-on approach to
learning the basic principles of voice over IP (VoIP) to build a
voice-enabled network for the small to medium-sized business.
As you work through the 51 labs in the book,
you learn how to deploy a basic phone system using a CallManager
Express-capable router. You install, configure, and customize
Cisco® IP Phones to work in an IP Telephony environment as
well as with traditional analog telephony devices.
Each chapter begins with an explanation of
the converging technology used within that chapter’s...
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31. |  By: Himanshu Dwivedi Publisher: No Starch Press Publication Date: 28-OCT-2008 Insert Date: 10-JAN-2009 Slots: 1.0 | Overview: Hacking VoIP 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...
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32. |  The Power of IP Video: Unleashing Productivity with Visual Networking By: Jennifer C. Baker; Felicia Brych Dalke; Michael Mitchell; Nader Nanjiani Publisher: Cisco Press Publication Date: 22-DEC-2008 Insert Date: 19-DEC-2008 Slots: 1.0 | Overview: The Power of IP Video: Unleashing Productivity with Visual Networking The Power of IP Video
Unleashing Productivity with Visual
Networking
Jennifer C. Baker
Felicia Brych Dalke
Michael Mitchell
Nader Nanjiani
The definitive guide to deriving business
value from IP video solutions
Using today’s rich new IP-based
technologies for video, voice, and web collaboration, businesses
can streamline and accelerate processes, increase productivity, and
improve both top and bottom lines. In The Power of IP Video,
a team of Cisco® experts shows you exactly how to make the
most of these powerful new IP video solutions. Writing for both
business and technical...
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33. |  Publisher: Javvin Press Publication Date: 15-JAN-2008 Insert Date: 11-DEC-2008 Slots: 1.0 | Overview: VOIP Technology Quick Guide
A comprehensive yet portable VOIP technology guide for networking and telecom professionals.
...
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34. |  Building Telephony Systems with OpenSER By: Flavio E. Goncalves Publisher: Packt Publishing Publication Date: 30-APR-2008 Insert Date: 06-NOV-2008 Slots: 1.0 | Overview: Building Telephony Systems with OpenSER This book teaches how to develop a fast and flexible Session Initiation Protocol (SIP) server using OpenSER and shows how OpenSER can be used to implement features not available in Asterisk PBX.This book is a well illustrated, step-by-step guide to building a SIP based network using OpenSER.This book is for readers who want to understand how to build a SIP provider from scratch using OpenSER. Telephony and Linux experience will be helpful but is not essential. Readers need not have prior knowledge of OpenSER....
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35. |  Authorized Self-Study Guide Cisco Voice over IP (CVOICE), Third Edition By: Kevin CCIE No. 7945 Wallace Publisher: Cisco Press Publication Date: 16-JUL-2008 Insert Date: 08-MAY-2008 Slots: 1.0 | Overview: Authorized Self-Study Guide Cisco Voice over IP (CVOICE), Third Edition Authorized Self-Study Guide
Cisco Voice over IP (CVOICE)
Third Edition
Foundation learning for CVOICE exam
642-436
Kevin Wallace, CCIE No. 7945
Cisco Voice over IP (CVOICE), Third
Edition, is a Cisco-authorized, self-paced learning tool for CCVP
foundation learning. This book provides you with the knowledge and
skills required to plan, design, and deploy a Cisco voice-over-IP
(VoIP) network and to integrate gateways and gatekeepers into an
enterprise VoIP network. By reading this book, you will gain a
thorough understanding of converged voice and data networks and
also the...
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36. |  Voice-Enabling the Data Network: H.323, MGCP, SIP, QoS, SLAs, and Security By: James F. Durkin Publisher: Cisco Press Publication Date: 25-SEP-2002 Insert Date: 14-MAR-2008 Slots: 1.0 | Overview: Voice-Enabling the Data Network: H.323, MGCP, SIP, QoS, SLAs, and Security Assist Telco and ISP engineers and
technicians in their transition to IP telephony
Assists traditional telco engineers and technicians in
designing, implementing, and supporting VoIP networks
Provides a step-by-step approach to designing a VoIP
network
Outlines each VoIP technology components with detailed
descriptions of possible applications
Provides a thorough description of Voice over IP for those new
to the technology
Voice over IP (VoIP) is a fast-growing
technology within telcos and ISPs. VoIP is significantly reducing
the cost of transmitting telephone calls and...
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37. |  Fax, Modem, and Text for IP Telephony By: David CCIE No. 3491 Hanes; Gonzalo CCIE No. 4541 Salgueiro Publisher: Cisco Press Publication Date: 11-JUN-2008 Insert Date: 22-FEB-2008 Slots: 1.0 | Overview: Fax, Modem, and Text for IP Telephony IP Telephony has revolutionized many aspects
of telecommunications and it continues to be deployed at a rapid
pace. The benefits of transporting voice over an IP infrastructure
include increased flexibility, better scalability, and a
significant cost savings over traditional telephony networks.
However, during the deployment of these VoIP solutions, other types
of traditional telephony communications that can also realize these
same benefits are often overlooked or ignored.
Fax, Modem, and Text for IP Telephony
is a comprehensive resource that confronts the need for information
on...
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38. |  By: D Gomillion; B Dempster Publisher: Packt Publishing Publication Date: 30-SEP-2005 Insert Date: 28-DEC-2007 Slots: 1.0 | 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...
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39. |  Asterisk: The Future of Telephony, Second Edition By: Jim Van Meggelen; Jared Smith; Leif Madsen Publisher: O'Reilly Media, Inc. Publication Date: 28-AUG-2007 Insert Date: 17-AUG-2007 Slots: 1.0 | Overview: Asterisk: The Future of Telephony, Second Edition
This bestselling book is now the standard guide to building phone
systems with Asterisk, the open source IP PBX that has traditional
telephony providers running scared! Revised for the 1.4 release of
the software, the new edition of Asterisk: The Future of
Telephony reveals how you can save money on equipment and
support, and finally be in control of your telephone system.
If you've worked with telephony in the past, you're familiar with
the problem: expensive and inflexible systems that are tuned to the
vendor's needs, not yours. Asterisk isn't just a candle in the
darkness, it's a whole...
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40. |  Securing VoIP Networks: Threats, Vulnerabilities, and Countermeasures By: Peter Thermos; Ari Takanen Publisher: Addison-Wesley Professional Publication Date: 01-AUG-2007 Insert Date: 15-JUL-2007 Slots: 1.0 | Overview: Securing VoIP Networks: Threats, Vulnerabilities, and Countermeasures 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,...
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