Network Management Strategies for the CIO
Get your Voice over IP (VoIP) questions answered in this learning guide, which includes VoIP tips, articles, quizzes, book chapter excerpts and more. Learn about the basics of the technology, find out about VoIP advantages and disadvantages and see how VoIP can be used in your network now and in the future.
What is VoIP?
by Susan Fogarty
SearchNetworking.com
Voice over IP (VoIP) is a term used in IP telephony for the delivery of voice information using the
Internet Protocol (IP). A major
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advantage
of VoIP is that it avoids the tolls charged by ordinary telephone service. It also promises to
enable a world of integrated communications tools that will make communications more streamlined
and effective. The realities of VoIP, however, are more complex than plugging in some high-tech
phones. Find out more about this burgeoning technology.
How to define VoIP:
VoIP (voice over IP) is an IP telephony term for a set of facilities used to manage the
delivery of voice information over the Internet. Learn more about the uses for VoIP and how
enterprises use the technology.
Words-to-Go: VoIP
mini-glossary: Learn how VoIP is defined and see the definitions of related terms like
latency and IP telephony.
VoIP
overview: Get an overview of VoIP and learn how the technology has evolved from the early
days to today
Understanding the basics of
VoIP: Learn about VoIP in ten easy steps, including VoIP regulations, how to define
VoIP, VoIP training and how to choose a VoIP vendor. Then take our quiz to see what you
learned.
The essential VoIP
bookshelf II: Read this comprehensive list of VoIP books to see what you should be
reading before deploying and using VoIP in your network.
Chapter excerpt: Voice
over Internet Protocol overview: Read this free chapter excerpt to learn about the
history of VoIP, VoIP requirements, and the goals and benefits of using the technology in the
enterprise.
Getting ready for VoIP
by Kara Gattine
SearchNetworking.com
This year, voice
over IP (VoIP)promises to be one of the major forces driving a recovery in the networking
industry. Vendors declare that it delivers voice and data over one simplified network while
decreasing maintenance and increasing productivity.
If you've been sitting back, waiting to see where VoIP is heading and what exactly you'll need todo before making a commitment to converge your voice and data networks, this information can help you get moving.
Learn how to prepare for
VoIP: Even if you don’t have enough room in your budget for VoIP yet, there’s still ways
you can prepare, such as researching vendors and improving the efficiency of your Local Area
Network.
What is the ROI
of VoIP? Learn why one editor thinks it's an oxymoron.
Tuning your network
for VoIP: Want to prepare your network for VoIP? Learn how to assess your network
architecture and design, develop a Quality of Service scheme, consider the hardware you’re using
and more
First steps to implementing
VoIP: In this tip, learn about the two types of VoIP and what you can do to prepare for
each.
Learn about VoIP
security strategies: Learn how to use a VPN with VoIP for increased
security.
Ensuring VoIP
Quality of Service: Having an effective Quality of Service model is important when
deploying a successful VoIP infrastructure. Get a closer look at QoS components in this tip.
Understanding the security
risks of VoIP: Before you set up VoIP in your network, it’s important to know the security
risks involved in doing so, including being vulnerable to new attacks as your voice and data
networks converge.
Tools for VoIP planning, monitoring and management: Before you begin a VoIP deployment, see which vendors offer VoIP management and monitoring tools. Learn about vendors such as NetIQ, Netscout and Sentito and the VoIP tools and bundles that they offer.
Expert advice: VoIP now and in the future
Check out these answers to VoIP reader questions from Carrie Higbie and Patrick Ferriter, two experts on the SearchNetworking.com Ask the Expert panel. See what they have to say on learning the basics of VoIP, the future of VoIP and VoIP trends, and how to improve the latency and reliability concerns that come with the technology.
Carrie Higbie
Global Network Applications Market Manager, The Siemon Company
Dear Carrie,
I'm interested in learning about VoIP. Where should I start?
Read Carrie’s answer and see where to begin in learning
about VoIP.
Dear Carrie,
As VoIP takes off, how are vendors working to improve latency and reliability concerns?
Read Carrie’s answer to learn more about latency
and reliability in VoIP.
Patrick Ferriter
Vice President of Product Marketing, Zultys Technologies
Dear Patrick,
What do you see as the future trends of VoIP?
Read Patrick’s answer on VoIP
trends.
VoIP learning resources
Check out more of our VoIP learning resources, whether you’re looking for VoIP training options,
career advice or a better understanding of different VoIP protocols. These articles, guides
and tips will help you with a variety of VoIP questions.
VoIP protocols:
H.323: Learn about H.323, the standard for interoperability in audio, VoIP, and video and data transmissions.
Session Initiation Protocol: Read a detailed definition of Session Initiation Protocol (SIP), a standard protocol from the Internet Engineering Task Force for initiating a user session that involves multimedia like voice and video.
VoIP troubleshooting:
Troubleshooting VoIP echo problems: Read through these steps to learn how to deal with echo, a common problem in VoIP that can quickly become unbearable. the H.323 protocol and learn why network managers should deploy vulnerability assessment products.
Career advice:
Learn about IP telephony and VoIP
certifications: Learn about what certifications are available for VoIP and IP telephony in
this comprehensive list from expert Ed Tittel.
Find out about VoIP
training: Get an expert’s take on the best way to become proficient in VoIP, including both
using a certification program and getting hands-on experience.
This was first published in May 2004
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