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Voice/IP Communications

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Understanding High Availability of IP and MPLS Networks
Jan 14, 2005
This chapter describes major sources of network failures and provides an overview of techniques that are commonly used to improve availability of IP/MPLS networks. In particular, this chapter outlines mechanisms for reducing network downtime due to control-plane failures.
Understanding the Telecommunications Revolution
Dec 28, 2001
The new multimedia realm is allowing us to include vital physical cues in the information stream, introducing a physical reality into the world of electronic communications, goods, and services.
Using Static IP Addresses on Your Network
Sep 14, 2009
Eric Geier helps you discover ways to convert from dynamic to static addresses on your network.
Using Voicemail with Google Voice
Jun 24, 2010
Nancy Conner shows how to master using voicemail with Google Voice.
Voice, IP, and ATM MPLS Features
May 17, 2002
This chapter presents the Cisco Voice Interworking Service Module set of features and the solutions provided by this voice card, including Voice Over AAL2, Voice over ATM, and Voice over IP networks.
VoIP Deployment Models in Service Provider Networks
Oct 5, 2010
This chapter gives you an understanding of how Voice over IP (VoIP) is deployed in service provider (SP) networks by describing a use case in which the VoIP infrastructure and the transport and the access are managed by an SP.
VoIP Performance Management and Optimization: Managing VoIP Networks
May 19, 2009
To ensure voice quality and to optimize media delivery over the IP, it is crucial to properly plan, design, implement, and manage the underlying network. This chapter discusses what are the best practices for planning media deployment over IP networks.
VoIP Threat Taxonomy
Sep 24, 2008
This chapter categorizes the main threats against VoIP service and explains their impact and possible methods of protection.
VoIP: An In-Depth Analysis
Oct 20, 2006
This chapter explains many of the issues facing Voice over IP (VoIP) and ways in which Cisco addresses these issues.
VoWLAN Applications and Benefits
Jun 2, 2008
This chapter describes various applications of Voice over Wireless LAN (VoWLAN) systems. Real-world examples and case studies provide you with a solid understanding of how VoWLAN can benefit a company. Details are also given about tangible benefits and expected return on investment (ROI).
VoWLAN Applications and Benefits
Oct 5, 2007
Jim Geier describes various applications of Voice over Wireless LAN (VoWLAN) systems.
Why IT Pros Need to Learn About IPv6 Security Now: An Interview with Scott Hogg and Eric Vyncke
Jul 4, 2009
Linda Leung talks with Scott Hogg and Eric Vyncke about IPv6 transition and security issues.
Zfone: Secure Cross-Platform Voice Communication for Linux
May 5, 2009
A.Lizard provides details on how to get and use Zfone for Ubuntu or Debian Linux.

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