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Voice/IP Communications

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An Introduction to VoiceXML
By Frank Coyle
Jul 27, 2007
If you've ordered a pizza lately, you've used VoiceXML. Learn how it works.
Basic IP Connectivity and Troubleshooting in Cisco Express Forwarding
By Nakia Stringfield, Stacia McKee, Russ White
Oct 26, 2007
This chapter helps you verify whether CEF is the root cause of a particular IP connectivity problem.
Basic IPsec VPN Topologies and Configurations
By James Henry Carmouche
Sep 29, 2006
In this chapter, you will review several common deployments of IPsec virtual private networks (VPNs).
Border Gateway Protocol, Route Manipulation, and IP Multicast
By Anthony Bruno, Steve Jordan
Oct 26, 2007
Prepare for the CCDA exam by reviewing BGP, Route Manipulation, and IP Multicast.
Building Resilient IP Networks: The Access Module
By Beng-Hui Ong, Kok-Keong Lee, Fung Lim
Jun 9, 2006
This chapter focuses on Ethernet switching technology, specifically Layer 2 network resiliency and how it should be built to provide a solid foundation for the Layer 3 network.
CCNA ICND2 Exam Guide: Troubleshooting IP Routing
By Wendell Odom
Jul 10, 2008
This troubleshooting chapter explains ping and traceroute commands, troubleshooting the packet forwarding process, and provides troubleshooting tools and tips.
CCNA Portable Command Guide: IPv6
By Scott Empson
Jul 1, 2008
This chapter provides information and commands concerning a number of IPv6-related topics.
CCNP BSCI Exam: Using OSPF Across Multiple Areas
By Clare Gough
Apr 25, 2003
CCNP Exam Cram: Extending IP Addresses
By Michael J. Shannon
Feb 27, 2004
Michael Shannon focuses on some of the solutions and mechanisms the Cisco professional is expected to know to help decrease the routing table size as well as create a more hierarchical addressing scheme.
CCNP ISCW Exam Guide: GRE Tunneling over Ipsec
By Brian Morgan, Neil Lovering
Jun 24, 2008
This chapter talks about the use of GRE in an IPsec environment and how that relates to the CCNP ISCW exam.
Cisco CallManager Express VoIP Call Processing Features
By Danelle Au, Baldwin Choi, Rajesh Haridas, Christina Hattingh, Ravi Koulagi, Mike Tasker, Lillian Xia
Jul 15, 2005
In this chapter, you'll read about some of the more popular Cisco CME phone and call processing features. You will see examples of how these features can be configured and combined to provide a rich and flexible set of functions. You will also see how to configure call transfer and forwarding functions in a variety of network scenarios.
Cisco IP Telephony Flash Cards: Weighted Random Early Detection (WRED)
By Kevin Wallace
Nov 24, 2004
This chapter provides an overvew of Weighted Random Early Detection (WRED) for Cisco IP Telephony, including Question & Answer flash cards to help you prepare for the Cisco IP Telephony Exam.
Cisco OSPF Route Redistribution
By William R. Parkhurst
Jul 5, 2002
Use this complete reference to Cisco OSPF commands next time your network needs route redistribution. Ten example scenarios clearly illustrate the purpose, syntax, and usage of each command.
Cisco TelePresence Room Design
By Alan Glowacki, Kevin McMenamy, Roland Saville, Tim Szigeti
Jun 17, 2009
This chapter covers the spatial, aesthetic, environmental, and technical requirements for designing an ideal space for a Cisco Telepresence system.
Demystifying Convergence and VoIP
By Anne Smith
Aug 9, 2002
Convergence eliminates the need for duplicate hardware and special vendors. Learn how Voice over IP (VoIP) uses the Internet Protocol to deliver voice traffic over a converged network.
Deploying Cisco CallManager and Unity Devices
By David Bateman
Oct 14, 2005
This chapter covers all the required tasks needed to add phones and gateways to a Cisco CallManager system. Four methods to add phones to the system are discussed: manual registration, Auto-registration, BAT, and TAPS.
Deploying IPv6 in WAN/Branch Networks
By Muninder Sambi, Sanjay Hooda, Shannon McFarland, Nikhil Sharma
Apr 13, 2011
This chapter provides and overview of WAN/branch deployment and also covers WAN/branch IPv6 deployment considerations, WAN/branch deployment over native IPv6, and includes an example of WAN/branch implementation.
Designing IP-Based Video Conferencing Systems: Dealing with Lip Synchronization
By Scott Firestone, Steve Fry, Thiya Ramalingam
Dec 7, 2007
Learn how to realign the audio and video streams at the receiver to correct lip sync skew.
Details of Installing Skype
By Harry Max, Taylor Ray
Sep 1, 2006
This sample chapter is perfect for anyone who wants detailed instructions on downloading and installing Skype on their PCs.
Digital Systems and VLSI
By Wayne Wolf
Feb 18, 2009
Wayne Wolf explains why integrated circuits are a key technology for a whole host of innovative devices and systems that have changed the way we live.

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