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Voice/IP Communications

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Discovering More Ways to Share on Your Windows Network
Oct 31, 2008
Discover three must-have accessories for your network if you want to seriously share files, printers, and media.
Enhancing Your Network with Voice and Video Gadgets
Oct 24, 2008
Eric Geier covers accessories and gadgets you can use to enhance your wired or WiFi network.
Functional Deployment Models and Call Flows for Cisco Unified Customer Voice Portal
Jan 3, 2012
This chapter discusses some of Cisco Unified Customer Voice Portal's well-defined and commonly referenced functional deployment models.
Fundamentals of Voice over Frame Relay
Sep 11, 2000
This article serves as both a basic and not-so-basic overview of some of the technologies behind Voice over Frame Relay (a primer of sorts).
Get Caller ID Information on Your PCs via YAC: Yet Another Caller ID Program
Jan 6, 2006
In this article, Kulvir Bhogal shows you how to use a free program called Yet Another Caller ID Program (YAC). YAC allows you see who's calling you immediately—right on your computer screen.
Haven't We Been Here Before? A Case for IP Telephony
Feb 13, 2004
In this sample chapter, Kevin Brown explains why a PBX, despite its high reliability, is not a solution for convergence.
How to Host a Virtual Meeting
Jun 29, 2007
Virtual meetings aren't like face-to-face meetings; learn to do virtual well.
Introduction to Voice XML Part 3: Voice XML Grammars
Aug 10, 2007
Improve the quality of the voice interface by understanding the rules of voice grammars.
Introduction to Voice XML Part 4: Grammars, Scope, and Event Handlers
Aug 31, 2007
Frank Coyle tells you why putting it all together will keep all your users happy.
Introduction to Voice XML Part 5: Voice XML Meets Web 2.0
Sep 14, 2007
Voice XML lets you pull and push Web-based information to your users wherever they may roam.
Introduction to VoiceXML Part 2: Working with Forms
Aug 3, 2007
Create a login page and data capture page for a Baseball Facts Hotline.
IPSec Authentication and Authorization Models
Oct 21, 2005
This chapter covers IPSec features and mechanisms that are primarily targeted at the authentication of remote access users. You'll learn about XAUTH, which provides extended authentication for IPSec telecommuters by using authentication schemes such as RADIUS. MODECFG uses a push model to push attributes to the IPSec client.
IPv6 Basic Subnetting and Examples
Dec 5, 2013
This quick and dirty look at the notation differences between IPv4 and IPv6 will ensure that you know what you need to to run IPv6 effectively on your network.
IPv6 Internet Security for Your Network
Jun 4, 2009
This chapter covers how to secure your network when it is connected to the IPv6 Internet.
IPv6 Translation and Tunneling Technologies
Jun 26, 2013
With the exhaustion of the IPv4 addressing space quickly approaching, it has become a high priority for organizations to begin their own deployments of IPv6. This can be accomplished in a number of different ways. This article examines specific methods and how they can be used to support an IPv6 deployment.
IPv6 Tunneling Technology Configuration
Jun 26, 2013
This article focuses on the basic configuration of available IPv6 tunneling technologies for Cisco networks.
IPv6: Are We Nearly There Yet?
Apr 22, 2011
Since the IANA ran out of addresses, IPv6 adoption has gone from being useful to being essential. But still only a small fraction of the Internet is accessible via the newer protocol. David Chisnall examines some of the reasons for the delay in widespread adoption.
IPv6: What's the Problem?
Apr 27, 2011
David Chisnall continues to look at the problems facing people attempting to deploy IPv6. This week's article looks at various bugs and limitations in existing systems, which cause problems when rolling out IPv6.
IPv6: Why Bother?
Apr 16, 2010
IPv6 has been coming Real Soon Now for well over a decade. David Chisnall looks at what the benefits it brings and how to support it.
Make the Right Call: Cisco's AVVID
Jun 21, 2002
Robert Richardson discusses the pros and cons of Cisco's AVVID — what the industry's been talking about all along for pure IP convergence: smart IP phones plugged into an Ethernet network full of conventional switches and routers. Plenty of issues need to be ironed out, though.

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